Free tools

Do the maths before you spend on ads

Free calculators for dropshippers and online sellers. No sign-up, nothing to install.

Profit margin calculator

What you keep from each sale after product cost, shipping, payment fees and ads.

Break-even ROAS calculator

The ROAS your ads need before you make money, and how your ads are doing now.

Selling price calculator

The price to charge for the margin you want, rounded the way shoppers expect.