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Divide attributed conversion revenue by ad spend for ROAS and show ROI% on spend. Useful for paid search, social, and affiliate programs when revenue attribution is already agreed.
Quick answer: ROAS Calculator
ROAS = attributed revenue ÷ ad spend with ROI% on spend alongside.
Example: £24k revenue on £6k spend is 4× ROAS with 300% ROI on cash outlay.
Calculations follow the documented formula on this page; rounding and input units can change the last digit-treat outputs as educational estimates unless you reconcile with source systems.
* This is an estimate. Actual amounts may vary slightly based on input assumptions.
Keeps paid social, search, and affiliate math consistent when everyone agrees on the attribution window.
Divide attributed conversion revenue by ad spend for ROAS and show ROI% on spend. Useful for paid search, social, and affiliate programs when revenue attribution is already agreed.
Inputs on this page: Attributed revenue, Ad spend. Assumptions stay visible so you can reproduce the figure elsewhere.
Long-form walkthroughs that pair well with this calculator. When you need narrative context beyond the live fields, start here and return to the tool to plug in your own numbers.
ROAS, churn, LTV, and CAC for growing SaaS teams (2026)
Connect ROAS calculator thinking with churn shortcuts, LTV SaaS, and CAC SaaS on Toollabz. Cross-link ROI vs ROAS and contribution margin posts so paid growth does not fight retention reality.
Read guide →ROI vs ROAS: when to trust each metric (2026)
ROI and ROAS both use ratios, but they answer different questions. Learn the definitions, a worked ecommerce example, when ROAS misleads, and which Toollabz calculators match each workflow.
Read guide →People who care about roas calculator use ROAS Calculator as a planning sandbox: Blended channel ROAS should sum revenue and spend first, then divide.
Continue in the Marketing category hub, the Marketing tools collection, or the glossary. Related calculators in this session: ROI Calculator Marketing, Conversion Rate Calculator, CPC Calculator, Google Ads ROI Calculator, Churn Calculator, AdSense Earnings Calculator.
The Formula
ROAS = revenue ÷ spend; ROI% = (revenue − spend) ÷ spend × 100| This tool | ROAS = revenue ÷ spend; ROI% = (revenue − spend) ÷ spend × 100 |
|---|---|
| Related intent: roas calculator | See paired tools for roas calculator-each page documents its own core relationship next to the live form. |
| Related intent: return on ad spend calculator | See paired tools for return on ad spend calculator-each page documents its own core relationship next to the live form. |
Core relationship for ROAS Calculator:
ROAS = revenue ÷ spend; ROI% = (revenue − spend) ÷ spend × 100
Worked check: £24k revenue on £6k spend is 4× ROAS with 300% ROI on cash outlay.
Keep the same assumptions and open a neighbor calculator when your question branches: ROI Calculator Marketing, Conversion Rate Calculator, CPC Calculator, Google Ads ROI Calculator. Each page documents its own formula beside the fields.
Learning links: Methodology · Editorial policy · Glossary
£24k revenue on £6k spend is 4× ROAS with 300% ROI on cash outlay.
Re-enter the same numbers in the calculator above to confirm the page math matches the interactive result.
People who care about roas calculator use ROAS Calculator as a planning sandbox: Blended channel ROAS should sum revenue and spend first, then divide.
Instant response
Run ROAS Calculator in the browser and read the breakdown beside the form.
Transparent formula
The formula and worked example on this page match what the calculator uses.
Privacy friendly
No account required; inputs stay in your session unless you choose to share them.
Cross-device ready
Layout works on mobile, tablet, and desktop for the same field labels.
Official references for context. Calculator outputs are planning estimates—confirm material decisions with the primary authority or a qualified professional. See our methodology and editorial policy.
Reviewed July 18, 2026 · Content stamp 2026-07-18
Click a question to expand the answer.
ROAS is revenue ÷ spend; ROI here is (revenue − spend) ÷ spend.
Decide policy before typing revenue.
Sum channels in Excel first, then use totals here.
Subtract COGS externally or use contribution margin fields elsewhere.
ROAS can be zero; that is still informative.
ROAS = attributed revenue ÷ ad spend with ROI% on spend alongside.
£24k revenue on £6k spend is 4× ROAS with 300% ROI on cash outlay.
Blended channel ROAS should sum revenue and spend first, then divide. Contribution ROAS needs COGS removed upstream - not built into this field set.
Same-category picks first, then high-intent neighbors that often answer the next calculation question.
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Reviewed by Toollabz Editorial
Product editor | Last reviewed July 18, 2026
See methodology and editorial policy.