EcomCalcTools is a free online hub of 166 ecommerce profit calculators that estimate real profit after marketplace fees, ad spend, shipping, returns, and payment costs — with no signup or email required.
What is Ecom Calc Tools?
EcomCalcTools is a fee and profit calculator suite built for ecommerce sellers, marketers, and SaaS founders. It takes product price, cost, and fee inputs and outputs net profit, margin, ROI, and break-even figures across more than a dozen platforms including Amazon, Etsy, Shopify, eBay, TikTok Shop, Walmart, Noon, Kaspi.kz, Mercado Libre, Ozon, and Wildberries. All calculations run client-side in your browser; no data is stored or sent to a server.
Key Features
- Official fee sources — Every calculator links to current marketplace and payment-provider documentation so you can verify rates directly.
- Transparent formulas — Inputs, assumptions, and exclusions are documented for independent review via a methodology page.
- No account required — No signup, no email wall, no stored inputs. Your numbers stay in your browser.
- Chrome extension available — Access calculators directly from your browser toolbar via the Chrome Web Store.
- 166 free tools — Coverage includes FBA fee calculators, dimensional weight, shipping, reimbursement, stranded inventory, BSR sales estimation, MCF, SFP eligibility, and platform-specific profit calculators.
- Fee change tracker — A dedicated fee update tracker monitors rate changes across platforms.
- Multi-platform comparison — Compare net profit across Amazon, Etsy, eBay, Shopify, and TikTok Shop with the multi-platform profit calculator.
Who is it for?
- Ecommerce sellers — Calculate exact FBA fees for Amazon US/Canada/UK/EU, including referral, fulfillment, storage, and surcharges.
- Marketers — Estimate ROAS, CAC, CPM, and conversion rates using ad spend and revenue data.
- SaaS founders — Project MRR, customer lifetime value (LTV), churn rate, and burn rate with dedicated SaaS calculators.
- Payment professionals — Compare Stripe, PayPal, and other gateway fees side by side using the payment fee calculators.
What can you do with Ecom Calc Tools?
- Amazon FBA profit analysis — Input product dimensions, weight, selling price, and COGS to get net profit, margin, and ROI using the FBA Profit Calculator.
- TikTok Shop fee estimation — Enter item price and category to see seller commission (2–8%), payment processing fee (3.5% + $0.30), and final payout.
- Platform cost comparison — Use the multi-platform tool to see which marketplace yields the highest net profit for the same product listing across Amazon, eBay, Etsy, Shopify, and TikTok Shop.
- Fee audit for Amazon sellers — Run the 7-step fee audit checklist to uncover hidden costs like aged inventory surcharges, stranded inventory risk, and potential reimbursement claims.
How does it work?
- Choose a calculator from the grid or search by platform (Amazon, TikTok, eBay, etc.).
- Enter your product details — price, cost, dimensions, shipping cost, ad spend, etc.
- View instant results: net profit, margin percentage, break-even point, and a detailed fee breakdown.
- Adjust any input to see how changes affect profitability — all calculations happen locally in your browser.
Pricing
All calculators are completely free. No subscription, no hidden fees, no paid tiers.
FAQ
Are these calculators really free?
Yes. No registration, no subscription, and no hidden fees. Just open any calculator and start entering numbers. Your data never leaves your browser.
