Free tools
E-commerce calculators
Free calculators for the numbers that decide whether your store makes money on every order.
Breakeven ROAS
The minimum ROAS your ads need before each sale stops losing money.
Open calculatorBreakeven MER
The marketing efficiency ratio your whole store needs to break even or hit a target profit.
Open calculatorContribution Margin
What each order leaves after products, shipping, fulfilment, fees, tax and ad spend.
Open calculatorPROAS
Profit on ad spend: the profit each order makes before ads, compared with what the ads cost to win it.
Open calculatorOrder Profit
The profit on a single order once costs, fees, discounts and marketing are paid.
Open calculatorVAT
Add VAT to a net price, or remove it from a price that includes VAT.
Open calculator
Free playbook
The Q4 Profit Playbook
The 5 analyses to run 60 days before Black Friday, in a 36-page guide.
Customer value, creative, promotions, product and Q5, each step by step, with a Q4 planning worksheet.
Get the free playbookGet these numbers for every order, automatically.
StoreHero connects Shopify, Meta, Google and TikTok and works out your margins, ROAS and profit every day.