ROAS Calculator: Free Return on Ad Spend Calculator | Leemjaz
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ROAS Calculator

Find out if your ads actually make money. Calculate your return on ad spend, break-even ROAS, ACOS, profit and cost per acquisition in seconds.

Instant ROAS, ACOS and profit Break-even ROAS check Free forever, no signup

Your numbers

Enter your ad spend and revenue. Add your margin to see real profit.

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Add profit margin to unlock break-even ROAS and real profit. Add conversions for cost per acquisition.

Your return on ad spend
4.00x
Profitable
Ad spend Product cost Profit
ACOS
25.0%
Break-even ROAS
2.50x
Profit from ads
$1,200
Cost per acquisition
$16.67
The Basics

What is ROAS?

ROAS, short for return on ad spend, tells you how many dollars of revenue each dollar of advertising brings back. It is the single fastest way to judge whether a paid campaign on Google, Meta, TikTok or anywhere else is pulling its weight. A ROAS of 4x means every dollar you put in returns four dollars of revenue.

ROAS = Revenue from ads ÷ Ad spend
Example: 8,000 revenue ÷ 2,000 spend = 4.00x ROAS

See profitability, not just revenue

Add your profit margin and the calculator shows your break-even ROAS and real profit, so you know if the campaign actually makes money.

Instant, no signup

Every metric updates live as you type. No email, no account, no waiting. Change a number and watch the result move.

Built by working marketers

This is the same math our PPC team uses to manage live ad budgets, packaged into a tool you can use in seconds.

Benchmarks

What is a good ROAS?

There is no single magic number. A good ROAS depends on your profit margin, your goals and your channel. The table below shows commonly cited target ranges, but your break-even ROAS is the number that truly matters. Use the calculator above to find yours.

ScenarioCommonly cited ROAS rangeNotes
General ecommerce target3x to 5xA widely used starting benchmark
Google Search Ads4x or higherHigh intent traffic, often stronger returns
Meta and TikTok ads2.5x to 4xGreat for discovery and scale
Branded search8x or higherPeople already looking for you
New customer acquisition2x to 3xLower is acceptable if lifetime value is high

These ranges are general guidance based on typical campaign performance, not guarantees. Your ideal target depends on your margins and customer lifetime value.

Improve Your Numbers

How to improve your ROAS

Improving ROAS comes down to two levers: earn more revenue per click, or pay less for each click. Here are the moves that make the biggest difference in real campaigns.

Tighten your targeting

Focus budget on the keywords, audiences and locations that convert, and add negative keywords to cut wasted clicks.

Sharpen ad copy and creative

Better hooks and clear offers lift click-through and Quality Score, which lowers your cost per click over time.

Optimize your landing pages

Faster pages and a clear call to action turn more of the traffic you already pay for into sales.

Fix conversion tracking

If tracking is off, your ROAS is a guess. Accurate conversion data lets you scale winners with confidence.

Cut the losers

Pause campaigns and keywords sitting below your break-even ROAS and move that budget to what works.

Raise average order value

Bundles, upsells and free shipping thresholds increase revenue per order without raising ad spend.

Know Your Metrics

ROAS vs ROI vs ACOS

These three metrics get mixed up constantly, so here is the plain version. ROAS is revenue divided by ad spend, written as a multiple like 4x. ACOS is the flip side, ad spend divided by revenue, written as a percentage, so a 4x ROAS equals a 25 percent ACOS. ROI goes further and measures actual profit after product costs and other expenses, which is why a healthy ROAS can still hide a weak ROI if your margins are thin. The calculator above shows all three views so you never get caught out.

Who It Is For

Who this free tool is for

Ecommerce owners checking if their Google or Facebook ads are profitable, PPC managers reporting to clients, Amazon sellers converting between ROAS and ACOS, and founders planning next month's ad budget all use a ROAS calculator to make faster decisions. Instead of juggling spreadsheets, you enter three numbers and instantly see your return, your break-even point and your real profit.

ROAS FAQs

Frequently asked questions

ROAS stands for return on ad spend. It measures how much revenue you earn for every unit of currency you spend on advertising. The formula is revenue from ads divided by ad spend. For example, if you spend 2,000 and earn 8,000, your ROAS is 4, written as 4x, meaning four back for every one spent.
A common rule of thumb is a ROAS of 4x, but the honest answer is that it depends on your profit margin. A high margin business can stay profitable at a low ROAS, while a low margin business needs a much higher ROAS to make money. The number that matters most is your break-even ROAS, which is 1 divided by your profit margin.
Break-even ROAS is the return at which you neither make nor lose money on advertising. You calculate it by dividing 1 by your gross profit margin. If your margin is 40 percent, your break-even ROAS is 2.5x. Any ROAS above that is profitable, and anything below means you are losing money on ads.
They are two views of the same thing. ROAS is revenue divided by ad spend, shown as a multiple like 4x. ACOS, advertising cost of sales, is ad spend divided by revenue, shown as a percentage. A 4x ROAS is the same as a 25 percent ACOS. ROAS is common in Google and Meta, ACOS is common on Amazon.
ROAS only compares revenue to ad spend, so it ignores product costs and other expenses. ROI looks at actual profit after all costs. A campaign can have a strong ROAS but poor ROI if margins are thin, which is why this calculator also asks for your profit margin so you can see real profitability.
Increase revenue per click or lower cost per click. Common levers include tighter keyword and audience targeting, better ad copy and creative, stronger landing pages, adding negative keywords, improving Quality Score, and cutting spend on campaigns that do not convert. Small gains across several of these add up fast.
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