ROAS Calculator
ROAS: ROAS = attributed revenue ÷ ad spend. Methodology stated, your own inputs only.
In short
ROAS: ROAS = attributed revenue ÷ ad spend. Methodology stated, your own inputs only.
Formula: ROAS = attributed revenue ÷ ad spend.
What this calculator does
ROAS: ROAS = attributed revenue ÷ ad spend. Methodology stated, your own inputs only. Worked example, questions and limitations included.
Use it to turn Currency (symbol only, never converted), Revenue attributed to the ads, Ad spend into a checked result you can compare, copy, or rerun with different assumptions.
The page shows the formula, a numeric worked example, and the assumptions that affect this marketing calculation.
Inputs and what they mean
- Currency (symbol only, never converted)
- — choice value.
- Revenue attributed to the ads
- — number value.
- Ad spend
- — number value.
How to use it
- Enter each value in the unit shown next to the box (use the unit converter first if your numbers are in other units).
- Check the breakdown to see every intermediate step.
- Read the limitations before relying on the result.
Formula
Methodology: revenue-based ROAS — it ignores product cost, so a ROAS above 1× is not necessarily profitable.
Use the campaign break-even calculator to find the ROAS where you start making money.
Attribution is whatever your platform or analytics reports.
ROAS = attributed revenue ÷ ad spend.
Inputs used: Currency (symbol only, never converted), Revenue attributed to the ads, Ad spend.
Worked example
A shopping campaign
- 12,000 ÷ 3,000 = 4.00×.
Reading the result
The headline figure is the main answer. Any breakdown underneath shows the parts that make it up, so you can check the working and see what changes when you adjust an input.
Limitations and assumptions
- Revenue, not profit.
- Attribution-dependent.
- Results are educational estimates built only from the figures you enter. They are not personalised investment, tax, legal or accounting advice. Rates, growth and discount assumptions are always yours to choose.
- The result depends on the values you enter for this roas calculator; it does not supply missing rates, rules, prices, dates, or assumptions for you.
Reference: OpenStax
Last reviewed:
Common questions
ROAS vs ROI?
ROAS uses revenue; ROI uses profit after all costs. Use the ROI calculator for ROI.
Is 4× good?
Only if your margin makes 4× profitable — check break-even ROAS. Check the formula, example, and limitations on this page before using the result for a real marketing decision.
What is a good value?
It depends on channel, audience and industry. We don't assume a benchmark — compare against your own campaigns.
How do I use the ROAS Calculator?
Enter the required values for Currency (symbol only, never converted), Revenue attributed to the ads, Ad spend. The calculator applies the formula on this page and shows the main result with any supporting breakdown so you can check the arithmetic.
What formula does the ROAS Calculator use?
ROAS = attributed revenue ÷ ad spend. The visible formula section above lists the calculation path and the edge cases the page handles, so the result can be checked without relying on the form alone.
Can the ROAS Calculator be used for exact decisions?
Use it as a calculation aid, not as a substitute for checking the underlying rule, contract, policy, or professional advice that applies to your situation. When a result depends on local rules, personal details, prices, or dates, enter those values yourself and confirm them before acting.
Sources
Method based on OpenStax.
Cite this page
Free Calculator. (2026, October 15). ROAS Calculator. https://freecalculator.tech/tools/roas-calculator
"ROAS Calculator." Free Calculator, 15 Oct. 2026, https://freecalculator.tech/tools/roas-calculator.
ROAS Calculator — Free Calculator, https://freecalculator.tech/tools/roas-calculator
Related tools
CPM: CPM = cost ÷ impressions × 1,000. Methodology stated, your own inputs only.
CTR: CTR = clicks ÷ impressions × 100. Methodology stated, your own inputs only.
Campaign Break-Even: Break-even ROAS = 1 ÷ gross margin. Methodology stated, your own inputs only.
Media Budget: Budget = target conversions ÷ conversion rate × cost per click. Methodology stated, your own inputs only.