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Amazon ACOS Calculator
Free Amazon ACOS calculator. Enter ad spend and ad sales to calculate Advertising Cost of Sale (ACOS) instantly and benchmark your PPC efficiency.
PPC Inputs
$
$
Results
ACOS
16.7%
Efficient
ROAS
6.00×
return on ad spend
Ad Profit
$250.00
ad sales − ad spend
ACOS = (Ad Spend ÷ Ad Sales) × 100. Compare this against your break-even ACOS to know whether PPC is adding profit.
How it works
1
Enter ad spend
How much you spent on Amazon PPC for the period.
2
Enter ad sales
The sales directly attributed to those ads.
3
Read your ACOS
Lower ACOS means more efficient ads. Compare against your break-even ACOS.
Frequently asked questions
What is a good ACOS on Amazon?
ACOS depends on your margin. A good rule: ACOS below your profit margin means ads add profit. Many sellers target 15-30% ACOS, but break-even ACOS is the number that actually matters.