Free Tools for E-commerce Sellers
Calculate fees, profit margins, ROI, and more with our free tools designed specifically for Amazon FBA, Shopify, and TikTok Shop sellers.
Amazon FBA Tools
FBA Fee Estimator 2026
Calculate Amazon FBA fees including referral fees and fulfillment costs.
AmazonStorage Fee Calculator
Estimate monthly and long-term storage fees for your Amazon inventory.
AmazonROI Calculator
Calculate your return on investment including PPC advertising costs.
AmazonBreak-Even Calculator
Reverse calculate your target selling price to cover all costs.
AmazonReferral Fee Lookup
Find Amazon referral fee rates for different product categories.
AmazonFBA vs FBM Comparison
Compare costs between FBA fulfillment and self-shipping.
AmazonShopify Tools
Shopify Profit Calculator
Calculate profit after payment gateway fees (PayPal, Stripe).
ShopifyBreak-Even Reverse Calculator
Determine required pricing to achieve your target margin.
ShopifyACoS & Break-Even CPC
Calculate advertising cost of sale and optimal bid prices.
ShopifyTikTok Shop Tools
Sourcing & Import Tools
Sourcing Cost Calculator
Calculate total costs including tax, shipping, and exchange rates.
SourcingLanded Cost Calculator
Calculate EXW to landed cost per unit for imported goods.
ImportUS Import Duty Estimator
Estimate customs duties for importing goods into the US.
ImportUK/EU VAT Calculator
Calculate VAT for imports into the UK and European Union.
ImportDimensional Weight Calculator
Calculate dim weight for shipping with UPS, FedEx, and USPS.
ShippingBusiness Tools
MOQ Profit Feasibility
Analyze profitability of minimum order quantity purchases.
BusinessCash Flow Timeline
Estimate cash flow timeline for Amazon FBA businesses.
BusinessBundle Cost Calculator
Calculate per-unit costs for product bundles.
BusinessPrep Center Fee Estimator
Estimate costs for third-party FBA prep services.
Business