Break-Even ROAS Calculator
Find the return on ad spend where ads stop losing money, from your order value and costs, plus the ROAS that leaves the profit you want.
- Free
- No sign-up to try
- Works as you type
Break-even ROAS
Break-even ROAS
2.22x
Most ad spend per order at break-even
$27.00
Break-even ad cost as a share of revenue (ACoS)
45.0%
ROAS for your target profit
2.86x
- Margin before ads = (order value − cost per order) ÷ order value.
- Break-even ROAS = 1 ÷ that margin.
- Break-even ACoS = that margin, as a percentage.
- Target ROAS = 1 ÷ (margin − target profit %).
Free, no sign-up to try. Save it as a live calculator you can share; an estimate from the numbers you enter, not financial advice. Check the result against your own records before you rely on it.
How it works
How the Break-Even ROAS Calculator works
- 1
Enter your numbers
Every result updates as you type, with the formula shown under it.
- 2
Check the method
See how each number is worked out and what it assumes.
- 3
Save it as a Room
Share a live calculator: others can change the numbers and see the result update.
Worked example
What it makes
Example inputs
- Average order value
- $60
- Cost per order before ads (product, shipping, fees)
- $33
- Profit you want after ads
- 10 %
Results
- Break-even ROAS
- 2.22x
- Most ad spend per order at break-even
- $27.00
- Break-even ad cost as a share of revenue (ACoS)
- 45.0%
- ROAS for your target profit
- 2.86x
How it's calculated
- Margin before ads = (order value − cost per order) ÷ order value.
- Break-even ROAS = 1 ÷ that margin.
- Break-even ACoS = that margin, as a percentage.
- Target ROAS = 1 ÷ (margin − target profit %).
- Assumes: Every order carries the same costs; returns and repeat purchases are not included.
- Assumes: Fixed costs are not included, so break-even here means ads pay for themselves on each order.
An estimate from the numbers you enter, not financial advice. Check the result against your own records before you rely on it.
Who it's for
Who uses it
Ecommerce marketers
Set ROAS targets from margin, not habit.
Store owners
Check whether a 2x ROAS is actually profitable for you.
Agencies
Agree a target ROAS with a client using their own costs.
Good to know
What to consider
- Fixed costs are not included: break-even here means ads pay for themselves on each order.
- Repeat purchases can justify going below break-even on the first order.
Questions
About the Break-Even ROAS Calculator
How is break-even ROAS calculated?
1 ÷ your margin before ads. If each $60 order leaves $27 after product, shipping and fees, your margin is 45% and break-even ROAS is 1 ÷ 0.45 = 2.22.
Can I share the calculator with my team or a client?
Yes. The Room keeps the calculator live: anyone with the link can change the numbers and see the result update, with the method and assumptions on the same page.
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- Marketing ROI CalculatorSee whether a campaign paid for itself: ROAS, profit after spend and ROI on margin, from spend, attributed revenue and gross margin.
- Ecommerce Profit CalculatorSee what you really keep from each order after product cost, shipping, payment fees and ad spend.
- CPA CalculatorWork out cost per acquisition from ad spend and conversions, and compare it with the break-even CPA your revenue and margin allow.