Free Ecommerce Tools
Calculators and checkers for store owners. Everything runs in your browser, so your numbers stay with you.
Pricing and profit
Store Profit Calculator
See what your online store really earns after product costs, payment fees, shipping, marketing, and operating expenses.
Open the tool →Profit Margin Calculator
Work out gross profit, margin and markup from a cost and a price, or find the price you need for a target margin.
Open the tool →Markup Calculator
Turn a product cost and a markup percentage into a selling price, and see the margin that price gives you.
Open the tool →Discount Calculator
See the sale price, what a discount does to your margin, and how many more sales you need to earn the same profit.
Open the tool →Break-Even Calculator
Find how many units you need to sell each month to cover your fixed costs, and how many to reach a profit target.
Open the tool →VAT and Sales Tax Calculator
Add tax to a price, or take it out of a price that already includes tax, at any rate.
Open the tool →Advertising and customers
ROAS Calculator
Measure your return on ad spend, find your break-even ROAS, and see the profit left after advertising.
Open the tool →CPM, CPC and CPA Calculator
Turn ad spend, impressions, clicks and conversions into CPM, CPC, click-through rate, conversion rate and cost per acquisition.
Open the tool →Customer Lifetime Value Calculator
Estimate what a customer is worth over time, and how much you can afford to spend to win one.
Open the tool →