Tools

Do the maths first.

Free calculators for the numbers every online store needs — no sign-up, nothing saved.

Profit margin calculator

Work out the profit, margin and markup on a product from its price and cost — or the price you need for the margin you want.

Cash on delivery cost calculator

See what cash-on-delivery orders really earn once delivery, collection fees and refused parcels are counted, and the refusal rate where you stop making money.

Discount calculator: how many more sales you need

Find out how much a discount cuts your profit per sale, and how many more sales you need to earn the same as before.