Profit Margin Calculator
See the real margin left after product cost, shipping and payment fees.
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20 free calculators
Dropshipping numbers, worked out in your browser
Margins, break-even ROAS, ad budgets, shipping costs and delivery windows — twenty calculators built for people running a store, not for people writing about running one. No sign-up, no data collected, nothing sent anywhere.
- 20Calculators
- 0Sign-ups required
- 100%Runs in your browser
Profit Margin Calculator
Try it now — results update as you type.
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What the customer pays, before tax.$
What the supplier charges you per unit.$
Your cost to get it to the customer.$
Payment processing and platform fees.Result
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Every calculator, grouped by the job it does
Each tool calculates as you type, explains what the number means, and shows you the benchmark it should be compared against.
Profit & Pricing
What you charge, what you keep.
Product Pricing Calculator
Price from a markup multiple and see the margin that multiple actually gives you.
Open calculatorDiscount & Sale Price Calculator
The sale price, and the margin that survives the discount.
Open calculatorSales Tax & VAT Calculator
Add tax on top or pull it back out of a tax-inclusive price.
Open calculatorBundle Price Calculator
Blended margin on a three-item bundle, and what the discount really costs.
Open calculatorAds & Traffic
What you can afford to pay for a customer.
Break-Even ROAS Calculator
The exact return on ad spend where your campaign stops losing money.
Open calculatorBreak-Even CPA Calculator
The most you can pay for a customer before the order stops being profitable.
Open calculatorAd Budget Calculator
How much you need to spend to hit a sales target, and what that is per day.
Open calculatorConversion Rate Calculator
Turn visitors and orders into a conversion rate, plus revenue per visitor.
Open calculatorAverage Order Value Calculator
Your AOV, the gap to your target, and the revenue that gap is worth.
Open calculatorShipping & Orders
Getting the product there, and what it costs when it goes wrong.
Shipping Cost Calculator
Turn a freight quote into a per-unit cost you can price against.
Open calculatorRefund & Chargeback Cost Calculator
What refunds and chargebacks quietly cost you every month.
Open calculatorReorder Point Calculator
The stock level that should trigger your next purchase order.
Open calculatorPayment Gateway Fee Calculator
Fee per transaction, net received, and what it adds up to monthly.
Open calculatorDelivery Time Estimator
An honest delivery window you can publish on the product page.
Open calculatorPlanning
Working backwards from the number you want.
Customer Lifetime Value Calculator
What a customer is worth in profit across the whole relationship.
Open calculatorCurrency Markup Calculator
Convert with your own rate and add a buffer against currency swings.
Open calculatorDropshipping Startup Cost Calculator
One-off setup plus monthly recurring, and the runway you need.
Open calculatorProduct Research Scorecard
Score a product across eight criteria and get one number out of 100.
Open calculatorMonthly Revenue Goal Planner
Work backwards from a revenue target to orders, traffic and ad spend.
Open calculatorWhy these tools are free
Every calculation on this site runs as JavaScript inside your browser. There is no server doing the maths, no account to create and no database storing what you type — which means the tools cost almost nothing to run and there is no reason to charge for them or to ask for your email. Read more about the site, or send a question through the contact page.