ShopSellerKit Tool Directory & Sitemap
Comprehensive direct-access index of all 210+ free e-commerce calculators, profit modeling engines, barcode generators, and compliance tools. All tools execute 100% locally in your browser with zero registration.
Marketplace & Platform Fee Calculators
Accurate fee breakdowns for Amazon FBA, Shopify, Etsy, eBay, Walmart, TikTok Shop, and 24+ global marketplaces.
Amazon FBA Fee Calculator
Calculate standard vs oversize Amazon FBA fulfillment fees, pick & pack costs, and weight handling.
Amazon Referral Fee Calculator
Determine category-specific referral fees (ranging from 6% to 45%) and minimum per-item referral deductions.
Amazon Monthly Storage Fee Calculator
Compare Q1-Q3 standard ($0.87/cu ft) vs Q4 holiday peak ($2.40/cu ft) Amazon fulfillment center inventory storage costs.
Amazon Aged Inventory Surcharge
Calculate long-term storage fees for inventory held in fulfillment centers past 180, 270, and 365 days.
Shopify Payments Fee Calculator
Compare 2.9% + 30¢ Basic, 2.6% + 30¢ Shopify, and 2.4% + 30¢ Advanced credit card rates across order volumes.
Shopify Third-Party Gateway Fee
Calculate the additional 2.0%, 1.0%, or 0.5% transaction penalty charged by Shopify when not using Shopify Payments.
Etsy Fee Calculator
Calculate Etsy's 20¢ listing fee, 6.5% transaction fee, and payment processing fee (3% + 25¢) for handmade & vintage items.
Etsy Offsite Ads Fee Calculator
Model the impact of Etsy's 12% (over $10K/yr) or 15% (under $10K/yr) mandatory offsite advertising fee on your margins.
eBay Final Value Fee Calculator
Calculate category tiered final value fees (12.35% to 15%) plus the mandatory $0.30 per order insertion fee.
eBay Promoted Listings Ad Fee
Calculate dynamic ad rate percentage deductions on completed sales for eBay Promoted Listings Standard & Advanced.
Walmart Marketplace Fee Calculator
Calculate Walmart Marketplace category referral fees (6% to 15%) with zero monthly subscription cost.
Poshmark Fee Calculator
Calculate flat $2.95 fee on sales under $15 and 20% commission on sales $15 and above.
Mercari Seller Fee Calculator
Model Mercari's updated zero selling fee structure versus direct deposit and instant transfer processing costs.
TikTok Shop Commission Calculator
Calculate TikTok Shop referral fees (6% to 8%) combined with creator affiliate commission deductions.
WooCommerce & Stripe Fee Calculator
Model standard Stripe 2.9% + 30¢ rates versus volume discounted interchange-plus fees on WooCommerce.
PayPal Merchant Fee Calculator
Calculate standard PayPal 3.49% + 49¢ merchant fees versus PayPal Checkout 2.59% + 49¢ domestic rates.
Afterpay & Klarna BNPL Fee Calculator
Model Buy Now Pay Later 5% to 6% merchant fees against average order value (AOV) lift.
Amazon Inbound Placement Service Fee
Calculate 2024+ Inbound Placement Service fees comparing Minimal split, Partial split, and Distributed inventory options.
Amazon Low-Inventory-Level Fee
Determine low inventory fees for units maintained with less than 28 days of historical supply.
Amazon Returns Processing Fee Calculator
Calculate returns processing fees applied to high-return-rate apparel, footwear, and consumer goods.
Target+ Marketplace Fee Calculator
Calculate Target+ curated invite-only marketplace referral commissions and net settlement payout.
Wayfair & CastleGate Fulfillment Calculator
Model Wayfair wholesale cost allowance, dropship damage allowances, and CastleGate logistics fees.
StockX Seller Fee Calculator
Calculate StockX seller level transaction fees (7% to 9%) plus the 3% payment processing fee.
GOAT Sneaker Seller Fee Calculator
Calculate GOAT's 9.5% commission fee plus $5 to $10 cash-out fee and seller rating adjustments.
Depop Seller Fee Calculator
Model Depop's elimination of the 10% selling fee in key markets versus payment processing fees.
Reverb Musical Instruments Fee Calculator
Calculate Reverb's 5% selling fee plus 3.19% + 49¢ payment processing on guitars, amps, and music gear.
Discogs Vinyl Record Fee Calculator
Calculate Discogs' 9% seller fee with minimum 10¢ and maximum $350 fee cap on vinyl, CDs, and cassettes.
Facebook & Instagram Shop Fee
Calculate Meta commerce selling fees (5% per shipment or flat 40¢ for orders under $8) vs Shopify integrations.
Gumroad Creator Fee Calculator
Calculate flat 10% Gumroad fee plus credit card and PayPal payment processing deductions for digital creators.
Patreon Creator Tier Net Payout
Compare 8% Pro versus 12% Premium platform plans combined with payment processing, currency, and payout fees.
Margins, Markup & Pricing Strategies
Landed cost, gross margins, target selling prices, breakeven analysis, and multi-tier volume pricing models.
Landed Cost Calculator
Calculate true unit landed cost: product manufacturing + ocean/air freight + customs duty + port handling + 3PL prep.
Gross Profit Margin Calculator
Calculate gross profit margin percentage: (Selling Price − Cost of Goods Sold) ÷ Selling Price × 100.
Markup Percentage Calculator
Calculate markup percentage: (Selling Price − Cost of Goods Sold) ÷ Cost of Goods Sold × 100.
Target Profit Selling Price Calculator
Calculate required retail price to achieve target dollar profit or target percentage margin after all costs.
Breakeven Sales Volume (Units & Revenue)
Calculate fixed monthly overhead divided by per-unit contribution margin to determine breakeven volume.
MAP Pricing Violation Checker
Check retail selling prices against manufacturer Minimum Advertised Price (MAP) policies to prevent account suspension.
Volume Tiered Discount Pricing Matrix
Model tiered quantity discounts (1-9 units, 10-49 units, 50+ units) while preserving minimum acceptable margins.
Bundle & Kitting Profit Optimizer
Bundle 2-3 SKUs together to reduce per-unit shipping and FBA fulfillment fees, increasing net profit dollars.
Competitor Price Match Margin Impact
Simulate real-time profit margin impact when lowering prices to match aggressive competitor discounts.
Loss Leader Strategy Calculator
Model front-end loss leader acquisition versus back-end upsell and customer lifetime value (LTV) profits.
Free Shipping Threshold Optimizer
Determine the exact minimum order value (e.g. $50 or $75) needed to profitably offer free shipping.
Customs Duty & Tariff Calculator
Calculate Harmonized Tariff Schedule (HTS) import duty percentages on CIF commercial invoice values.
Currency Exchange Margin Buffer
Manage foreign supplier currency fluctuations (USD to RMB, EUR, INR) and calculate safety buffers.
Inflation Price Increase Model
Calculate the exact retail price increase percentage required to offset rising supplier and shipping costs.
Subscription Box Monthly Margin
Calculate recurring monthly box product costs, custom packaging, kitting labor, and shipping margins.
BOGO (Buy One Get One) Margin Calculator
Calculate net profit margins on Buy One Get One Free, BOGO 50% Off, and Buy 2 Get 1 Free promotions.
Wholesale Keystone Pricing Calculator
Model standard Keystone 50% wholesale discounts to MSRP retail pricing models.
Cash Discount vs Credit Card Processing
Compare offering a 3% cash or ACH discount against paying standard credit card processing fees.
Damaged Goods & Shrinkage Rate Allowance
Calculate annual inventory shrinkage, warehouse damage, and transit loss allowances for financial models.
Restocking Fee Profit Recovery Calculator
Model 15% to 20% return restocking fees to offset inspection labor, repacking, and open-box depreciation.
Flash Sale Discount Depth Calculator
Determine the maximum safe discount percentage during Black Friday / Cyber Monday sales without losing money.
Private Label vs Wholesale ROI Comparison
Compare high-margin Private Label manufacturing against fast-turnaround brand wholesale distribution ROI.
Supplier MOQ Cash Requirement Calculator
Calculate Minimum Order Quantity (MOQ) × Unit Cost total upfront cash outlays including initial production deposits.
Early Payment Supplier Discount (2/10 Net 30)
Calculate 2/10 Net 30 supplier payment terms annualized interest rate savings (equivalent to 36.7% APR).
Packaging Box Cost Per Unit Calculator
Calculate custom printed mailer box, tissue paper, thank-you card, custom tape, and sticker costs per unit.
Barter Inventory Exchange Value
Model trading excess slow-moving inventory for advertising or business services at wholesale valuation.
Seasonal Clearance Markdown Schedule
Generate progressive markdown schedules (20%, 40%, 60%) to recover working capital before aged fees hit.
Affiliate Commission Payout Margin
Calculate impact of 10% to 20% affiliate influencer commission deductions from product profit margins.
Tiered Royalty Licensing Rate Calculator
Calculate brand licensing royalty deductions (5% to 10% of net sales) and minimum annual guarantees.
E-Commerce Profit & Loss (P&L) Dashboard
Complete multi-channel monthly P&L statement generator with exportable income summary.
Ad Spend, Marketing & ROAS
Amazon ACOS/TACOS, Shopify ROAS, breakeven CPA, Meta/Google bid optimizers, and CLV to CAC ratio benchmarks.
Amazon ACOS & TACOS Calculator
Calculate Advertising Cost of Sales (ACOS) and Total Advertising Cost of Sales (TACOS) to scale PPC profitably.
Shopify ROAS Calculator
Calculate Return on Ad Spend (ROAS = Total Ad Revenue ÷ Total Ad Spend) and net marketing profit.
Breakeven ROAS Calculator
Calculate 1 ÷ Gross Profit Margin (e.g. a 50% gross margin requires a 2.0x Breakeven ROAS).
Breakeven CPA (Cost Per Acquisition) Calculator
Determine the maximum allowable ad cost to acquire a single paying customer without losing money.
Facebook Ad CPM to CPC Calculator
Link Click-Through Rate (CTR) and Cost Per Mille (CPM) to project final Cost Per Click (CPC).
Google Shopping CPC Bid Optimizer
Calculate Max CPC Bid = (Average Order Value × Conversion Rate × Target Margin).
Email Marketing Campaign ROI Calculator
Calculate campaign revenue minus Klaviyo/Mailchimp email sending costs to measure net email ROI.
SMS Marketing Cost Per Message & ROI
Model Attentive / Postscript 1¢ to 2¢ per SMS send costs against attributed order revenue.
Influencer Sponsorship CPE & Sales ROI
Calculate Cost Per Engagement (Likes + Comments) and cost per tracked swipe-up or promo code sale.
Customer Acquisition Cost (CAC) Calculator
Calculate total sales & marketing spend divided by new paying customers acquired.
Customer Lifetime Value (CLV / LTV) Calculator
Calculate Average Order Value × Purchase Frequency × Customer Lifespan in years.
CLV to CAC Ratio Benchmark Tool
Calculate your store's LTV:CAC health score against the 3:1 gold-standard e-commerce benchmark.
Abandoned Cart Recovery ROI
Calculate abandoned cart email & SMS sequence recovery rates and recovered revenue.
Upsell & Cross-Sell AOV Lift Calculator
Model pre-purchase and post-purchase upsell conversion impact on Average Order Value and profit.
Ad Creative Fatigue Decay Model
Track daily ROAS decline and frequency spikes over time to schedule creative refresh cycles.
TikTok Spark Ads ROI Calculator
Model boosting organic creator UGC videos with paid TikTok Spark Ad spend and commission splits.
Pinterest Ad Conversion Value Calculator
Measure long-tail Pinterest shopping ad conversions and multi-month organic repin returns.
Retargeting Ad Frequency & CPM Capping
Determine optimal retargeting frequency caps (3-5 impressions/user) to prevent ad fatigue and wasted budget.
Loyalty Rewards Points Cost & Margin Impact
Calculate point redemption liabilities (e.g. 100 points = $5) and margin impact on repeat purchases.
Refer-a-Friend Referral Incentive vs CAC
Model dual-sided referral incentives ($10 advocate reward + $10 friend discount) against paid ad CAC.
Video Ad Hook Retention Rate Calculator
Calculate 3-second hook thumb-stop rate and 50% video completion drop-off metrics.
Google Search Impression Share Analyzer
Calculate lost impression share due to budget vs lost impression share due to ad rank.
Product Review Request Conversion Rate
Model post-purchase automated review collection percentages (3% to 5% standard) and photo/video review incentives.
Affiliate Cookie Window Attribution Decay
Compare 30-day vs 7-day vs 24-hour cookie conversion attribution drop-offs.
Micro vs Macro Influencer ROI Comparator
Compare gifting 50 micro-influencers ($10K followers) versus paying $5,000 to a single macro-influencer.
Press Release & PR Agency Retainer ROI
Calculate monthly PR agency retainers ($3,000 to $10,000) against earned media referral traffic sales.
Landing Page CVR Split Test Significance
A/B test conversion rate statistical significance calculator to declare winning landing page variants.
Banner Ad Viewability Rate Calculator
Calculate IAB standard viewable impressions percentage (50% pixels in viewport for 1+ seconds).
Cost Per Thousand Reach (CPR) vs CPM
Calculate unique audience reach cost (CPR) versus gross impressions CPM across awareness campaigns.
Omnichannel Marketing Blended CAC
Calculate total blended customer acquisition costs across Google, Meta, TikTok, Affiliate, and Organic SEO.
Shipping, Logistics & Inventory Math
Dimensional weight, container CBM loading, pallet Ti-Hi, EOQ, reorder points, and freight cost comparators.
Dimensional Weight (DIM) Calculator
Calculate dimensional weight: L × W × H ÷ DIM Divisor (139 for US domestic, 166 for International).
Carton CBM Volume Calculator
Convert outer master carton dimensions (in or cm) into Cubic Meters (CBM) and total shipment volume.
Shipping Container Loading Optimizer
Calculate total master cartons fitting inside 20ft (28 CBM), 40ft (58 CBM), and 40ft High Cube (68 CBM) containers.
Pallet Stacking Ti-Hi Calculator
Calculate cartons per layer (Ti) × layers per pallet (Hi) = total cartons per standard 48" × 40" pallet.
Economic Order Quantity (EOQ) Calculator
Calculate the ideal batch order size balancing annual ordering costs against inventory holding costs.
Reorder Point (ROP) Calculator
Calculate Reorder Point = (Daily Unit Sales × Supplier Lead Time in Days) + Safety Stock buffer.
Safety Stock Level Calculator
Calculate Z-score service level factor × standard deviation of lead time demand to prevent stockouts.
Inventory Turnover Ratio Calculator
Calculate Cost of Goods Sold (COGS) ÷ Average Inventory on Hand to measure operational efficiency.
Days Inventory Outstanding (DIO) Calculator
Calculate (Average Inventory ÷ COGS) × 365 days to measure how long cash is trapped in stock.
Stockout Lost Revenue Estimator
Calculate Days Out of Stock × Average Daily Velocity × Selling Price + Amazon organic rank penalty.
Air Express vs Sea Freight Tradeoff
Compare fast 5-day Air Express ($8/kg) versus 35-day Sea Freight ($1.50/kg) net margin tradeoffs.
Cubic Feet (cu ft) to Cubic Meters (m³) Converter
Instant conversion between US domestic Cubic Feet (cu ft) and international ocean shipping Cubic Meters (CBM).
KG to LBS Freight Shipping Converter
Convert metric Kilograms to Imperial Pounds with carrier freight rounding rules.
Customs Bond: Single Entry vs Continuous
Calculate breakeven point between US Single Entry Bond versus annual Continuous Import Bond ($500).
Duties, VAT & GST Import Calculator
Calculate destination country import VAT/GST and duties on CIF (Cost + Insurance + Freight) value.
Warehouse 3PL Pick & Pack Cost Calculator
Model 3PL pallet storage fees + first item pick + additional item pick + packaging material fees.
Amazon FBA Split Shipment Cost Comparator
Compare shipping cost differences when Amazon splits inventory across 3 to 5 regional warehouses.
Freight Demurrage & Detention Escalation Calculator
Calculate escalating daily container storage penalties at ocean ports and rail terminals.
Reverse Logistics Total Return Cost Calculator
Model customer return shipping label + inspection labor + unsellable liquidation write-off loss.
Dropshipping Delivery Time & Transit Buffer
Model international transit buffer days (Cainiao, YunExpress, ePacket) and customer support inquiry spikes.
Bubble Mailer vs Cardboard Box Cost & DIM Savings
Calculate dimensional weight postage savings using padded poly mailers versus rigid corrugated boxes.
USPS Shipping Zone Distance Rate Finder
Determine USPS distance shipping zones (Zone 1 to Zone 9) and calculate postage rate escalations.
Flat Rate vs Custom Box Shipping Comparator
Compare USPS Priority Mail Flat Rate boxes versus weight-based cubic commercial rate pricing.
Freight Forwarder Quote Comparator
Line-item comparison of ocean freight rates, bunker adjustment (BAF), chassis split, and drayage fees.
Pallet Stretch Wrap & Strapping Cost
Calculate plastic stretch film rolls, corner board protectors, and pallet banding supplies per container.
Cold Chain Dry Ice Packaging & Sublimation
Calculate perishable food transit duration and dry ice sublimation rates (5-10 lbs per 24 hours).
Hazardous Materials (Hazmat) Surcharge Calculator
Calculate carrier dangerous goods surcharges for lithium batteries, aerosols, and perfumes.
Address Correction Carrier Penalty Calculator
Calculate FedEx / UPS $18+ address correction penalty frequency costs and address validation ROI.
Package Insurance & Declared Value Breakeven
Evaluate carrier declared value insurance fees ($1.05 per $100 over $100) versus third-party insurance.
3PL vs In-House Fulfillment ROI Calculator
Compare warehouse lease, labor, and equipment costs versus 3PL per-order outsourcing fees.
Barcodes, Labels & Product SEO
UPC-A, EAN-13, Code 128 generators, check digit validators, thermal labels, and Amazon SEO listing optimizers.
UPC-A Barcode Generator
Generate standard 12-digit North American retail barcodes with instant high-res PNG and vector SVG export.
EAN-13 Barcode Generator
Generate standard 13-digit European and International Article Number (EAN-13) barcodes with SVG & PNG download.
Code 128 Shipping & Logistics Barcode
Generate alphanumeric high-density Code 128 barcodes for warehouse serial numbers and tracking labels.
ITF-14 Master Carton Barcode Generator
Generate 14-digit master carton corrugated box barcodes with heavy bearer bars for warehouse scanners.
UPC & EAN Check Digit Calculator
Mathematical Modulo-10 check digit validator and calculator for 8, 12, 13, and 14-digit barcode numbers.
E-Commerce SKU Batch Generator
Generate hundreds of structured product SKUs in bulk (e.g. TSHIRT-BLK-XL-001) with custom delimiters.
Amazon Product Title SEO Analyzer
Analyze 200-character limits, brand placement, keyword density, and title suppression risks.
Amazon Backend Search Terms Cleaner
Clean and compress search terms under Amazon's strict 250-byte limit (removes punctuation, duplicates, and brand names).
Amazon Bullet Points Formatter
Format 5 key feature bullet points with header capitalization, character counting, and emoji insertion.
Product Description HTML Cleaner & Formatter
Clean product descriptions to only allowed Amazon HTML tags (<p>, <b>, <br>, <ul>, <li>).
QR Code Product Insert Generator
Generate high-resolution QR codes linking to warranty registration, VIP clubs, or PDF user manuals.
GS1 Company Prefix Capacity Calculator
Calculate GS1 company prefix digit lengths (6 to 11 digits) to determine total available barcode numbers.
FNSKU Amazon Barcode Label Builder
Generate Amazon Fulfillment Network Stock Keeping Unit (X00... or B00...) thermal barcode labels.
Thermal Shipping Label 4" × 6" Formatter
Format 4" × 6" 300 DPI thermal print layouts for Rollo, Munbyn, and Zebra desktop label printers.
Product Weight Label: Oz to Grams Dual Declaration
Calculate Net Weight packaging labels with legal US Fair Packaging and Labeling Act Dual Declarations.
Suffocation Warning Label Generator
Generate legal warning text and verify required font size for plastic poly bags with 5+ inch openings.
Made In / Country of Origin Label Validator
Validate US Customs (CBP) Country of Origin marking rules (19 U.S.C. 1304) and formatting.
Expiration Date & Batch Lot Code Formatter
Generate compliant Best By / Expiry date and Lot number inkjet packaging strings (MM/YYYY or YYYY-MM-DD).
ASIN to UPC Cross-Reference Helper
Cross-reference Amazon ASINs with internal product catalog IDs, SKUs, and GTIN barcodes.
Shopify Product Handle & URL Slug Cleaner
Generate clean, URL-friendly lowercase product handle slugs from raw product titles.
Alt Text SEO Image Optimizer
Generate descriptive e-commerce product image alt text for Google Image SEO and accessibility (WCAG).
Product Dimensions: Inch to CM Packaging Formatter
Format dual dimensions (Inches and Centimeters) for international packaging specifications.
California Proposition 65 Warning Label Generator
Generate compliant California Prop 65 cancer and reproductive harm warning text and pictogram.
International Textile & Fabric Care Symbol Guide
Generate compliant ASTM D5489 & ISO 3758 textile care wash, bleach, dry, iron, and dry-clean symbols.
Fragile Handle With Care Shipping Label
Generate printable vector "Fragile / Handle With Care / Glass" shipping carton warning labels.
ISO 7000 This Side Up Upward Arrow Label
Generate official ISO 7000 upward orientation arrows and horizontal line labels for shipping cartons.
International Apparel & Shoe Size Chart Matrix
Convert US, UK, European (EU), and Asian clothing and shoe size matrices for international listings.
Product Title Capitalization Tool
Convert product titles between Title Case, Sentence Case, and UPPERCASE conforming to marketplace rules.
Multi-Channel Character & Byte Counter
Live character and byte counter with limit gauges for Amazon, eBay, Etsy, Walmart, and Google.
E-Commerce Product Listing Quality Audit
Comprehensive SEO and listing quality audit tool generating an instant A to F grade with actionable fixes.
Wholesale, B2B & Supply Chain Sourcing
Volume break pricing, Cash Conversion Cycle (CCC), PO financing, Incoterms, line sheet markups, and trade credit risks.
Wholesale Volume Tier Pricing Calculator
Calculate multi-tiered volume wholesale discounts, minimum order quantities (MOQ), and manufacturer gross margin thresholds.
Cash Conversion Cycle (CCC) Calculator
Measure the speed at which invested inventory cash flows back into your business from customer receivables.
Supplier Lead Time Variance & Buffer Model
Model factory production delays and oceanic transit variability to determine precise buffer stock units.
Purchase Order (PO) Financing Cost Calculator
Compare fee structures, monthly factor rates, and annualized interest costs on trade finance facilities.
Supplier Payment Terms ROI & Cash Flow Model
Analyze the cash flow value and working capital ROI of negotiating Net 30, Net 60, or Net 90 supplier terms.
FOB vs CIF Supplier Shipping Cost Comparison
Compare Free On Board (FOB) origin port pricing against Cost, Insurance & Freight (CIF) destination quotes.
LCL vs FCL Container Share Consolidation Calculator
Compare Less than Container Load (LCL) consolidation fees against booking dedicated Full Container Loads (FCL).
Product Sample & Prototyping Cost Amortization
Amortize rapid air courier sample costs and factory prototyping fees across commercial production runs.
Custom Mold & Tooling Die Amortization Model
Calculate capital expenditure amortization schedules for injection molds, stamping dies, and custom tooling.
Supplier Defect Rate & Scrap Allowance Calculator
Account for manufacturing defect percentages (1%–4%) in product pricing, replacement buffers, and seller payouts.
Wholesale Trade Credit & Buyer Risk Evaluator
Evaluate credit limits, payment term risks, and default probability for wholesale retail accounts.
Wholesale Minimum Order Value (MOV) Calculator
Calculate the minimum wholesale order dollar threshold required to cover picking, packing, and administrative costs.
Wholesale Line Sheet & Case Pack Matrix Builder
Generate structured wholesale pricing sheets, master carton case pack multiples, and retailer margins.
Reorder Quantity vs Annual Holding Cost Tradeoff
Find the optimal balance between high-volume production discounts and warehouse inventory holding costs.
Consignment Inventory Profit & Margin Calculator
Calculate net margins, commission splits, and working capital risk on retail consignment agreements.
Multi-Tier Distributor Margin Split Calculator
Model price splits across manufacturer, master distributor, sub-distributor, and retail tiers.
Factory Supplier Audit Scorecard Generator
Score prospective manufacturers on quality management, labor standards, machinery capacity, and export experience.
Incoterms 2020 Liability & Cost Transfer Matrix
Compare buyer vs seller cost responsibilities and risk transfer points across EXW, FOB, CIF, and DDP.
OEM vs ODM Manufacturing ROI Comparator
Compare costs, tooling timelines, and ROI between Original Equipment Manufacturing (OEM) and Original Design Manufacturing (ODM).
Letter of Credit (LC) Bank Fee & Financing Calculator
Calculate issuance fees, confirmation charges, and amendment costs for commercial trade Letters of Credit.
Annual Supplier Volume Rebate & Incentive Calculator
Calculate tiered end-of-year supplier rebates (2%–6%) based on cumulative annual purchase volumes.
Port Demurrage & Detention Daily Fee Calculator
Estimate daily escalating port storage and container detention charges during terminal congestion.
Wholesale Blind Dropship Surcharge Calculator
Calculate per-order picking, custom packing slip, and blind dropship fees on wholesale retail fulfillments.
Procurement Lead Time Demand Forecaster
Forecast unit consumption during supplier manufacturing and oceanic freight transit windows.
Safety Stock Carrying Cost & Capital Optimizer
Calculate the annual dollar carrying cost of holding safety buffer inventory against stockout risks.
FTL vs LTL Pallet Truckload Freight Optimizer
Optimize shipping between Full Truckload (FTL 26-30 pallets) and Less Than Truckload (LTL) pallet shipments.
Packaging Volume Reduction Ocean Freight Savings
Calculate container freight and warehousing savings achieved by trimming packaging dimensions by 10%–20%.
B2B Wholesale Customer Lifetime Value (LTV) Model
Calculate expected customer lifetime value, reorder frequency, and churn rate for wholesale retail buyers.
B2B Trade Show & Expo ROI Calculator
Calculate net return on investment from trade show booth fees, travel, samples, and wholesale buyer purchase orders.
Supply Chain Disruption & Contingency Cost Estimator
Model the financial impact of factory shutdowns, sea freight rerouting, and emergency air shipments.
Sales Tax, VAT & Legal Compliance
US economic nexus thresholds, Marketplace Facilitator audit, EU OSS/IOSS VAT, UK VAT, CPSIA, and duty drawbacks.
US State Sales Tax Economic Nexus Checker
Check state-by-state economic nexus revenue ($100k/$250k) and transaction thresholds (200 orders) post-Wayfair.
Marketplace Facilitator Law Audit & Exemption Matrix
Determine whether Amazon, Walmart, or eBay remits sales tax on your behalf versus your independent Shopify store.
EU One-Stop Shop (OSS) & IOSS VAT Calculator
Calculate destination-based Value Added Tax (VAT) across all 27 European Union member nations under OSS and IOSS.
UK Post-Brexit E-Commerce VAT Calculator
Model UK VAT obligations, HMRC registration rules, and the £135 consignment threshold for non-UK sellers.
US Customs Duty Drawback Calculator
Calculate up to 99% refund on US customs tariffs and duties paid on imported merchandise subsequently exported or destroyed.
Section 301 China Tariff & Exclusion Surcharge Estimator
Estimate US Section 301 punitive tariffs (7.5% to 25%+) across HTS Lists 1, 2, 3, and 4A for Chinese imports.
Global De Minimis Customs & Duty Exemption Lookup
Check duty-free and tax-free de minimis import limits across the US ($800 Section 321), Canada, EU, UK, and Australia.
CPSIA Children's Product Safety & Testing Audit
Audit required CPSC testing certificates (CPC), lead/phthalates lab testing, and tracking label rules for children's items.
California Proposition 65 Warning & Liability Audit
Determine whether your products require California Prop 65 warning labels for lead, cadmium, phthalates, or BPA.
FDA MoCRA Cosmetics & Personal Care Registration Checker
Evaluate facility registration, product listing, safety substantiation, and adverse event reporting under FDA MoCRA.
FCC Part 15 Electronic Devices RF Compliance Cost Model
Determine whether your electronic product requires FCC SDoC (unintentional radiator) or full Certification (intentional radiator).
EU REACH & RoHS Hazardous Chemical Substance Audit
Verify restrictions on Substances of Very High Concern (SVHC) and hazardous electronics substances for EU market entry.
Extended Producer Responsibility (EPR) Packaging Fee Estimator
Calculate mandatory packaging, WEEE, and battery recycling compliance fees for selling into Germany (LUCID), France, and the UK.
IRS Form W-8BEN-E Foreign Seller Withholding Estimator
Determine US 30% backup withholding tax exposure for non-US e-commerce entities selling on Amazon US or Shopify.
E-Commerce LLC vs S-Corp Self-Employment Tax Savings Model
Calculate how much you can save in 15.3% self-employment tax by electing S-Corporation tax status for your online brand.
Home Office & Garage Inventory Storage Tax Deduction Calculator
Calculate IRS tax deductions for home office space and dedicated inventory storage areas in your home or garage.
Damaged, Lost & Destroyed Inventory Tax Write-Off Estimator
Calculate legal COGS adjustments and casualty loss write-offs for unsellable, damaged, expired, or stolen warehouse inventory.
E-Commerce Custom Software & Product R&D Tax Credit Estimator
Estimate Section 41 federal R&D tax credits on custom web development, ERP integrations, and proprietary product formulation.
Canadian GST / HST / PST Provincial Sales Tax Calculator
Calculate harmonized and provincial taxes across Canada (5% GST to 15% HST) for domestic and cross-border online sales.
Australian GST on Low-Value Imported Goods Calculator
Determine 10% Australian Goods and Services Tax (GST) rules on consignments up to AUD $1,000 for overseas merchants.
Mexican SAT RFC Digital Services Tax & Withholding Calculator
Calculate Mexican SAT VAT (16%) and ISR income tax withholding rates for sellers with or without a valid Mexican RFC.
US Customs Merchandise Processing Fee (MPF) & HMF Calculator
Calculate CBP formal entry Merchandise Processing Fees (0.3464%, min $31.67, max $614.35) and Harbor Maintenance Fees (0.125%).
Free Trade Agreement (USMCA/CAFTA) Rules of Origin Checker
Determine whether your goods qualify for 0% duty preferential tariff treatment under USMCA, CAFTA-DR, or other free trade deals.
US Anti-Dumping (ADD) & Countervailing Duty (CVD) Estimator
Screen imported products against severe US Department of Commerce anti-dumping and countervailing duty orders (often 50% to 300%+).
Amazon FBA Multi-State Inventory Physical Nexus Tracker
Map which US states hold your Amazon FBA inventory to identify physical nexus exposure, even with zero sales volume.
US Digital Goods & SaaS Sales Taxability Matrix by State
Determine whether downloadable digital products, e-books, software, or digital art are taxable across all 50 US states.
IRS Form 1099-K Gross Sales vs Net Payout Reconciliation Tool
Reconcile IRS 1099-K gross reporting with bank payouts by itemizing refunds, chargebacks, seller fees, and sales tax.
Gift Card Breakage & State Escheatment Compliance Estimator
Calculate gift card breakage income and assess state unclaimed property (escheatment) remittance liabilities on unused store balances.
EU General Product Safety Regulation (GPSR) Compliance Checker
Verify mandatory EU Responsible Person, manufacturer labeling, and safety traceability for all non-food goods sold into Europe.
E-Commerce Privacy Compliance (GDPR, CCPA, CPRA) Fine Risk Audit
Audit your Shopify cookie consent, customer data deletion workflows, and tracking pixels to prevent catastrophic privacy fines.