/ CALCULATORSCALCULATOR 01 · BREAK-EVEN ROAS
Find the ROAS your ads actually need.
Three inputs and this calculator computes your break-even ROAS — the exact return where a sale stops losing money — plus the growth target worth running your campaigns against. Your numbers never leave your browser.
◉ YOUR INPUTUNIT ECONOMICSLIVE
SELLING PRICEAVG ORDER VALUE WORKS TOO
£
PRODUCT COSTCOGS + SHIPPING + FEES
£
RETURNING CUSTOMERS% OF ORDERS FROM REPEATS
%
/ QUICK PRESETS
◉ COMPUTEDCALCULATOR READOUTAUTO-CALC
BREAK-EVEN ROAS
1.71x
= 171% · EVERY £1 OF AD SPEND MUST RETURN £1.71
WHERE EACH ORDER GOES£60 ORDER
COSTS 42%MARGIN 58%
ADJUSTED FOR RETURNING CUSTOMERS
1.43x
RECOMMENDED GROWTH TARGET
1.93x
At these numbers, campaigns above 1.93x are building profit. Anything between 1.43x and that is treading water. Below it, you're paying Google to shrink.
⚠ MARGIN MUST BE POSITIVE — PRICE HAS TO EXCEED COST
/ 01 · SHOW YOUR WORKING
How the calculator computes it.
STEP 01 · MARGIN( PRICE £60 − COST £25 ) ÷ PRICE £60 = 58% MARGIN
STEP 02 · BREAK-EVEN1 ÷ MARGIN = 171% BREAK-EVEN ROAS — the return where a sale makes exactly £0
STEP 03 · REPEATS171% ÷ ( 1 + RETURNING RATE ) = 143% — repeat purchases you didn't pay ads for lower the bar
STEP 04 · TARGET143% + 50pts HEADROOM = 193% GROWTH TARGET — the line worth scaling against
Same formulas we run on client accounts — nothing hidden, nothing dumbed down. If your blended account ROAS sits below Step 02, your advertising is currently a charitable donation to Google.
CALCULATOR 02 · LEAD GEN
Selling services, not products?
The Lead Gen CPA Calculator maps your funnel — lead, conversation, sale — and outputs the max cost-per-lead worth paying.
SWITCH CALCULATOR →
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