THE TOOL REGISTER / 06 NOV 2026
Find your number.
Pick the decision you need to make. Change the inputs, inspect the formula, then read the edge cases.
0102030405
Break-even ROAS
Find the return your costs demand.
1 ÷ contribution marginROAS
Measure the revenue your ads report.
Attributed revenue ÷ ad spendCustomer acquisition cost
Find the cost of winning a first-time buyer.
Acquisition costs ÷ new customersProfit margin
See what remains after the costs you enter.
(Revenue − costs) ÷ revenue × 100Markup
Turn cost and markup into a selling price.
Cost × (1 + markup ÷ 100)PUT YOUR NUMBERS TO WORK
A formula is a start.
Your margins set the budget.
Bring your actual costs. The Boring Commerce performance team will work through the ROAS and spend your orders can carry.