Business & e-commerce calculators
The numbers behind pricing and selling online: margins, markups, discounts, break-even points and what payment processors keep from each sale.
6 free tools
Profit Margin Calculator
Enter what an item costs you and what you sell it for.
Business
Markup Calculator
Add a percentage on top of your cost and see the selling price, the profit per unit and what that markup means as a margin.
Business
Discount Calculator
Find the final price after a percentage off — including “extra 10% off the sale price” deals and sales tax.
Business
Break-Even Calculator
See how many sales you need before a product, shop or side project stops losing money.
Business
Stripe Fee Calculator
Work out the Stripe fee on a payment and your payout — or reverse it to find what to charge so you receive an exact amount.
Business
PayPal Fee Calculator
See how much PayPal keeps from a payment, or how much to invoice so you end up with the amount you need.
Business