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Free ecommerce economics tools

Free Ecommerce Profit Calculators

Know your numbers before you price, advertise or scale. Calculate profit, marketplace fees, margins, ROAS, ad budgets, landed costs and more.

Explore Calculators → Calculate Product Profit
✓ Free tools ✓ Instant results ✓ Editable assumptions ✓ No signup required
What do you need to know?
What should I charge?
Product Pricing Calculator
Is this product profitable?
Profit Margin Calculator
What ROAS do I need?
Break-Even ROAS Calculator
How much can I spend on ads?
Ad Budget Calculator
Find your next calculation

Choose a calculator for your business

Start with your platform, or search for a task such as pricing, fees, monthly profit or advertising. Results are free to use.

26 calculators available.

Ecommerce Ad Budget CalculatorAliExpress Seller Profit CalculatorAmazon Profit & FBA Fee CalculatorAmazon PPC Profit CalculatorBigCommerce Profit & Cost CalculatorBreak-Even ROAS CalculatorDropshipping Profit CalculatoreBay Profit & Fee CalculatorEtsy Profit & Fee CalculatorFacebook & Instagram Shop Profit CalculatorGoogle Shopping Profit & ROAS CalculatorLanded Cost CalculatorMonthly Profit CalculatorPayment Processing Profit & Fee CalculatorProduct Pricing CalculatorProfit Margin CalculatorShopify Profit & Fee CalculatorSquarespace Commerce Profit CalculatorTemu Seller Profit CalculatorTikTok Shop Break-Even CalculatorTikTok FBT CalculatorUK TikTok Shop Fee CalculatorTikTok Shop Profit & Fee CalculatorWalmart Profit & WFS Fee CalculatorWix Ecommerce Profit & Cost CalculatorWooCommerce Profit & Cost Calculator
Choose where you sell

Marketplace & Store Calculators

Jump straight to a calculator tailored to your selling channel.

Walmart Marketplace
Referral fees, WFS vs seller fulfillment, margin and ROI
Facebook & Instagram Shops
Meta commerce, ads, creator costs, break-even CPA and ROAS
WooCommerce
Gateway fees, hosting, plugins, maintenance and monthly profit
Shopify
Profit, fees, apps, ads and plan comparison
Amazon FBA
FBA vs FBM, seller fees, ROI and break-even CPA
Etsy
Transaction, listing, payment and ads
eBay
Final value fees and Promoted Listings
TikTok Shop
Seller fees, fulfillment and creator economics
Dropshipping
Supplier costs, CPA and true order profit
Plan your profit

Tools for Better Decisions

What should I charge?
Product Pricing →
What does inventory really cost?
Landed Cost →
How profitable is this product?
Profit Margin →
What ROAS do I need?
Break-Even ROAS →
How much can I spend?
Ad Budget →
What could the business make?
Monthly Profit →
From product cost to profitable growth

Cost → Price → Margin → Advertising → Profit

ProfitCalcTools helps ecommerce sellers understand the economics behind every sale — from landed product cost and marketplace fees to advertising CPA and monthly profit.

Find the Right Calculator →
Why ProfitCalcTools?

Ecommerce calculations without the spreadsheet headache

Ecommerce profit depends on more than selling price minus product cost. Marketplace fees, shipping, fulfillment, advertising, refunds, payment processing, apps and inventory costs can all change the result. ProfitCalcTools gives you focused calculators for the decision you are making, with editable assumptions so you can model your own business instead of relying on one universal fee schedule.

Ecommerce Profit Guides & Examples

Reproducible examples for seller costs, advertising limits, returns and monthly profit.

Amazon Break-even ACOS: How to Know What You Can Afford

Learn how to calculate break-even ACOS from product margin, Amazon fees, fulfillment and other costs, then compare it with actual PPC ACOS.

The True Cost of Shopify: What Sellers Should Include

Understand the true cost of running a Shopify store beyond the monthly plan, including payment fees, apps, fulfillment, advertising and returns.

Google Shopping Break-even ROAS: Connect Ad Metrics to Profit

Learn how to calculate break-even ROAS, CPA and CPC for Google Shopping or Performance Max using real ecommerce contribution margin.

Etsy Fees and Pricing: Build Profit Into Your Selling Price

Learn how to price Etsy products after transaction, payment, listing, advertising, shipping and return costs without relying on gross revenue.

Walmart WFS vs Seller Fulfillment: Compare the Economics

Compare Walmart Fulfillment Services with seller fulfillment using referral fees, fulfillment cost, storage, returns and advertising economics.

Amazon FBA vs FBM: A Like-for-Like Profit Comparison

Compare the same product under FBA and merchant fulfillment, including inbound costs, labor, storage and acquisition.

Dropshipping Unit Economics: From Supplier Price to Profit

Build a complete order cost card, compare delivered supplier costs and find an advertising allowance that leaves profit.

How Returns Change Ecommerce Profit: A Two-Outcome Model

Model kept and returned orders using refunds, recovered inventory and non-refundable costs instead of an unexplained reserve.

Monthly Ecommerce Profit Is Not the Same as Cash Available

Reconcile order contribution with subscriptions, inventory purchases and held payouts in a complete monthly example.

Explore all profit guides →