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Free ecommerce calculators updated for 2026 to estimate Shopify, Etsy, Amazon, eBay, PayPal, and Stripe fees, plus profit, margin, ROI, ROAS, and break-even numbers.
Profit snapshot
Example dashboard preview
Net Profit
$1,284
after variable costs
Margin
32.4%
profit share
ROI
148%
return on cost
Break-even ROAS
2.7x
ad efficiency target
Fees
$186
platform + payment
Cost breakdown
Sample order set
Platform coverage
Dedicated tools for major ecommerce channels, payment fees, ad metrics, and pricing decisions.
A sale is only useful when it supports a healthy business. Use straightforward estimates to make better informed selling choices.
Built for quick pricing, fee, margin, ROI, ROAS, and break-even checks across common ecommerce selling channels.
Open any calculator and start modeling product costs, fees, ads, and margin without creating an account.
Calculations run in the current browser session, so sellers can test scenarios quickly and privately.
Use practical fields for channel fees, fulfillment, paid ads, margins, ROI, ROAS, and break-even planning.
Copy results or export CSV from calculator workspaces, then compare pricing and promotion scenarios.
Select a free calculator to understand fees, set sustainable prices, review advertising, or plan the sales needed to cover costs.
Ecommerce Profit
Estimate Shopify store revenue, fees, advertising cost, net profit, margin, ROI, and break-even ROAS.
Use calculatorMarketplace Fees
Estimate Etsy transaction, payment processing, listing, and optional offsite ad fees alongside your net profit.
Use calculatorMarketplace Profit
Model Amazon FBA revenue, referral and fulfillment fees, inventory costs, advertising, margin, and ROI.
Use calculatorBusiness Fundamentals
Turn revenue and cost into gross profit, profit margin, and markup for fast pricing analysis.
Use calculatorPricing
Set a markup above cost and see the resulting selling price, dollar profit, and profit margin.
Use calculatorPerformance
Measure net return and return on investment for inventory, software, promotions, or business projects.
Use calculatorAdvertising
Calculate return on ad spend and revenue after advertising cost for ecommerce campaign review.
Use calculatorPlanning
Find contribution margin, units needed to recover fixed costs, and the revenue required to break even.
Use calculatorPayment Fees
Estimate a PayPal transaction fee, the amount you keep, and the effective fee rate from a payment received.
Use calculatorPayment Fees
Estimate a Stripe transaction fee and net payout amount using editable processing fee assumptions.
Use calculatorMarketplace Fees
Estimate eBay final value and optional promoted listing fees, then calculate order profit and margin.
Use calculatorSocial Commerce
Model TikTok Shop revenue, seller fees, campaign costs, per-unit profit, margin, and ROI.
Use calculatorIndependent Store
Estimate WooCommerce order profit after inventory, shipping, payment processing, hosting, plugins, and advertising.
Use calculatorStorefront Fees
Estimate Shopify payment processing and applicable additional transaction fees from sales and order volume.
Use calculatorMarketplace Profit
Estimate Etsy profit across multiple modeled orders after product, delivery, listing, payment, transaction, and optional ad fees.
Use calculatorMarketplace Fees
Estimate Amazon referral fees using an editable category percentage and optional minimum fee per unit.
Use calculatorAdvertising Fees
Estimate an eBay promoted listing ad fee across attributed sales using an editable ad rate assumption.
Use calculatorSocial Commerce Fees
Estimate TikTok Shop platform, affiliate commission, and optional fixed per-order fees from gross sales.
Use calculatorUse the calculators when a selling decision depends on the relationship between price, cost, fees, promotion, and paid traffic.
Model price, product cost, shipping, fees, and ad spend before ordering inventory or publishing a listing.
Review Shopify, Etsy, Amazon, eBay, TikTok Shop, PayPal, Stripe, and WooCommerce assumptions with matching tools.
See the revenue multiple an ad campaign needs before paid traffic starts reducing contribution profit.
Test price cuts, shipping offers, bundles, and acquisition cost changes before launching a campaign.
Use the same workflow top sellers use to evaluate product and campaign performance before scaling spend.
1
Start with the calculator that matches your platform and selling model.
2
Use real numbers for product costs, marketplace fees, shipping, and paid traffic.
3
Instantly view your key metrics and test different pricing or spend scenarios.
Seller decision guide
Ecom Profit Tools is for independent store owners, marketplace sellers, product researchers, and marketers who need a fast planning estimate before changing a price, launching a promotion, ordering inventory, or increasing ad spend. Start with one clearly defined scenario. Use numbers from current supplier quotes, shipping invoices, payout reports, and advertising dashboards rather than relying on a generic benchmark.
A calculator result is most useful when it leads to a comparison. Run a base case using recent actual costs, then change one assumption at a time. Test a lower price, a higher return allowance, a more expensive shipping zone, or a weaker campaign. The difference between those cases shows where the business is sensitive and which input deserves attention.
A store sells an item for $48. Product, shipping, packaging, payment, and advertising costs total $34 per order, leaving $14 before monthly overhead. The useful next step is to test a discount or higher acquisition cost in the Shopify Profit Calculator instead of assuming the $48 sale is profit.
Test this type of scenarioAn Etsy seller collects $42 for an item and shipping. Materials, postage, listing, transaction, and payment costs total $24. If an Offsite Ads fee applies, the remaining profit changes again. Compare attributed and ordinary orders before deciding whether the listing price works.
Test this type of scenarioAn FBA product sells for $35, but referral, fulfillment, landed inventory, inbound freight, storage, and PPC total $25 per unit. The $10 estimate should be stress-tested with a lower selling price and higher ad cost before a reorder is approved.
Test this type of scenarioReview the calculator methodology for formula scope, source checks, update practices, and limitations.
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Choose tools by sales channel, payment fee, profitability, or advertising decision.
Ecommerce Profit
Estimate Shopify store revenue, fees, advertising cost, net profit, margin, ROI, and break-even ROAS.
Use calculatorMarketplace Fees
Estimate Etsy transaction, payment processing, listing, and optional offsite ad fees alongside your net profit.
Use calculatorMarketplace Profit
Model Amazon FBA revenue, referral and fulfillment fees, inventory costs, advertising, margin, and ROI.
Use calculatorAdvertising
Calculate return on ad spend and revenue after advertising cost for ecommerce campaign review.
Use calculatorYes. The calculators are free, work in your browser, and do not require an account.
No. The current calculators run in your browser and do not send entries to a database.
No. Results are general estimates for education and planning. Verify rates and costs, and consult qualified advisers when necessary.
Use a marketplace-specific profit tool when selling on Shopify, Etsy, or Amazon FBA. Use margin, ROI, ROAS, and break-even tools for broader pricing and performance decisions.