Use our free ROAS calculator to work out your Return On Ad Spend, break-even ROAS, CPM, CPC and CPA — plus the exact budget you need to hit a revenue goal. Enter your numbers, get an instant profitability verdict, and see the formula behind every result.
Revenue earned for every $1 of ad spend.
The minimum ROAS you need just to not lose money.
Cost per 1,000 impressions.
Average cost per click.
Cost to acquire one customer or lead.
Work backwards from a revenue goal to the spend you need.
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Six ad-metric calculators in one tool — pick a metric, enter your numbers, and get an instant, profit-aware result you can act on.
Choose ROAS, break-even ROAS, CPM, CPC, CPA or the ad budget planner from the tabs at the top of the tool.
Type in your revenue, ad spend, impressions or conversions. Everything recalculates live as you type — no button needed.
Add your margin and the ROAS calculator compares your return to your break-even point and tells you if you're actually profitable.
Use the benchmarks and formulas below to improve a weak number — or hand it to us to fix and scale.
ROAS — Return On Ad Spend — is the revenue you earn for every dollar you put into advertising. It's the fastest way to know whether a campaign is pulling its weight, and it's the core number this ROAS calculator (also called a return on ad spend calculator) is built around.
A 4x ROAS sounds great, but ROAS alone doesn't tell you if you're profitable. A store with thin margins can lose money at 4x, while a high-margin brand can profit at 2x. That's why our calculator also asks for your margin and returns a true profit verdict.
Your break-even ROAS is the minimum return you need just to cover costs. Anything above it is profit; anything below it means you're paying to acquire customers at a loss. Our break-even ROAS calculator tab works it out from a single input — your margin.
This is the metric that separates guessing from managing. Once you know your break-even point, every campaign decision — pausing, scaling, or fixing — becomes obvious.
People often confuse ROAS and ROI. ROAS measures revenue against ad spend only. ROI measures profit against your total investment — product costs, tools, and team included. ROAS is faster for optimizing individual campaigns; ROI tells you the bottom-line story. Use ROAS day to day, and check ROI monthly.
The same tool doubles as a CPM calculator, CPC calculator, and CPA calculator so you can trace exactly where your money goes at each stage of the funnel:
Watching all four together is how you spot whether a weak ROAS is a reach problem (CPM), a creative problem (CPC), or a landing-page problem (CPA).
Most businesses guess their ad budget. Our ad budget calculator works backwards from the answer instead: start with a revenue goal and a realistic target ROAS, and it tells you the exact spend required to get there.
Add your average order value and the planner also estimates how many orders that goal represents — so your target stops being a number on a spreadsheet and becomes a real, testable plan.
If the calculator hands you a ROAS below your break-even point, don't panic — there's almost always a fixable leak. In order of impact, here's where we look first when we audit an underperforming account:
Fixing even one or two of these can move ROAS from a loss to a profit. If you'd rather have experts do it, Devlet's paid-ads team runs this exact audit for you.
The questions people ask most about ROAS, break-even ROAS, and paid-ad profitability.
Paid advertising rewards the people who know their numbers. A free ROAS calculator is the fastest way to turn a pile of ad-platform metrics into a single question you can actually answer: is this making money or losing it?
The problem with judging campaigns inside the ad platforms is that Google and Meta report ROAS without knowing your margins. A 3x ROAS looks like a win in the dashboard — but if your break-even is 3.5x, you're quietly losing money on every sale. This tool closes that gap by folding margin into the verdict, so you're optimizing for profit, not vanity revenue.
Treat ROAS as a compass, not a scoreboard. Compare it to your break-even ROAS, watch the trend over weeks rather than days, and always pair it with CPA so you know whether a dip is a spend problem or a conversion problem. Small, consistent improvements to targeting, creative and landing pages compound fast.
Yes. Use the CPA tab with your average customer value (or lead value) and the Budget Planner to model spend. ROAS still applies — just base "revenue" on the value of the leads or deals a campaign produces.
Expect ROAS to soften as you scale spend, because you reach beyond your warmest audiences. Set your target comfortably above break-even so there's room to absorb that dip while staying profitable.
Attribution windows, view-through conversions and tracking gaps all inflate or deflate platform ROAS. Blended ROAS — total revenue ÷ total ad spend — is the honest number. If yours looks off, we can audit your tracking.
Beyond the ROAS calculator, we're building a full suite of free tools to help you win modern search and paid growth. Every tool is free — no signup.
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