The Amazon PPC calculator suite.
Five calculators covering the numbers I run before touching any account — what breaks even, what to bid, what to budget, and whether the ads are actually building anything. Free, instant, no email required. Everything runs in your browser and nothing you type is sent anywhere.
ACoS Calculator
Ad spend + ad sales → your ACoS and ROAS, instantly.
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Break-even ACoS Calculator
Price, COGS and Amazon fees → the ACoS where ads stop being profitable, plus a suggested target.
/tools/break-even-acos-calculator →
Amazon PPC Budget Calculator
Target sales, AOV, conversion rate and CPC → the monthly budget and clicks you actually need.
/tools/ppc-budget-calculator →
TACoS Calculator
Ad spend against total sales, across two periods — so you can see whether organic rank is compounding or ads are propping it up.
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Amazon Australia FBA Calculator
The only one built for Amazon.com.au: real AU referral and FBA rates, GST handled properly, out comes your break-even ACoS and CPC.
/tools/amazon-australia-fba-calculator →
Are these Amazon PPC calculators really free?
Yes — no email, no signup, no trial. Every calculator runs entirely in your browser; the numbers you type are never sent anywhere or stored.
Which calculator should I start with?
Break-even ACoS. Until you know the ACoS at which advertising stops making money, every other number is guesswork. Australian sellers should start with the Amazon Australia FBA calculator instead, because GST changes the answer.
Ran the numbers and didn't like them?
Free audit: I'll find the wasted spend and the 3 highest-leverage fixes on your account.
Independent specialist. Not affiliated with or endorsed by Amazon.com, Inc.