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Dropshipping profit calculator and break-even ROAS

Dropshipping profit per order is the selling price minus product cost, shipping, payment fees, refunds and your ad cost per purchase. The numbers that decide a product are break-even CPA (the most you can pay for a sale) and break-even ROAS.

Free, no account required. The maths runs in your browser. Updated November 10, 2026.

Selling price ($)Product cost ($)Shipping cost to you ($)Payment fee (%)Shopify Payments Basic in the US: 2.9% plus 30 cents.Payment fee per order ($)Ad cost per purchase ($)Refunds and chargebacks (%)Orders per month

Profit per order

$8.33

Monthly profit: $1,250
Break-even ad cost per purchase: $23.33
Break-even ROAS: 1.71; Revenue per $1 of ads needed to break even.
Margin after ads: 20.8%

An estimate from the numbers above, not a promise of income. Replace the example numbers with your own.

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How to use it

01
Enter unit costs
Add the selling price, the supplier's product cost and shipping to the customer.
02
Add fees and ads
Payment fees default to Shopify's US Basic rate. Add your ad cost per purchase and refund rate.
03
Read the margins
See profit per order, monthly profit, break-even CPA and the ROAS your ads must hit.

A worked example

A $39.99 product costing $14 landed, with $15 ads per sale, makes about $8.30 per order and breaks even at a 1.7 ROAS.

What to check

If profit per order is close to zero before ads, no ad strategy will save the product.
Count refunds and chargebacks; they eat thin margins first.
This is an estimate, not a promise of income.

Questions

What is a good profit margin for dropshipping?

Most operators want 20% to 30% net margin per order after ads, or a product cost under about a third of the selling price before ads. Below that, a small rise in ad costs wipes out profit. This calculator shows your margin after ads.

How do you calculate break-even ROAS?

Break-even ROAS is the selling price divided by profit per order before ads. If a $40 product leaves $23 before ads, break-even ROAS is about 1.74: every $1 of ads must bring back $1.74 in sales just to break even.

What is the best free dropshipping profit calculator?

This free Rushilo dropshipping profit calculator includes payment fees, refunds and ad cost per purchase, and returns profit per order, monthly profit, break-even CPA and break-even ROAS. It runs in your browser with no sign-up or store connection.

Learn the numbers

Sources and format guidance

Shopify pricing and payment fees

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Turn these numbers into a plan.

The AI Dropshipping pack walks you through it step by step: 6 modules and 23 lessons with the scripts, templates and checklists. $19 one-time payment, or every pack for $39. Not monthly.

See the AI Dropshipping pack