Seller Profit Calculator
Seller Profit Calculator
Home/Amazon PPC Metric

ACOS Calculator (Advertising Cost of Sales)

Measure advertising efficiency on Amazon and Flipkart Sponsored Ads.

Formula: ACOS % = (Ad Spend / Ad Sales Revenue) * 100

Calculator Inputs

Live Sync
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ACOS Target:

Your target ACOS should always be LOWER than your pre-ad profit margin. If your margin is 25%, an ACOS below 25% guarantees campaign profitability.

Calculated ACOSVerified Formula
0%

percentage of sales spent on ads

Calculation Breakdown

PPC Ad Spend--
Sales from Ads--
ACOS Percentage--
Equivalent ROAS Multiplier--
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Frequently Asked Questions

Common questions on calculations, industry standards, and seller profit optimization.

How is ACOS related to ROAS?

ACOS and ROAS are mathematical inverses: ACOS = 1 / ROAS. For example, a 4.0x ROAS equals a 25% ACOS.

What is a healthy target ACOS on Amazon India?

A healthy target ACOS is below your product profit margin. If your profit margin before ads is 25%, an ACOS under 20% ensures your campaigns remain profitable.

How do you convert ACOS to ROAS?

ROAS = 100 ÷ ACOS. For example, a 20% ACOS equals a 5.0x ROAS (100 ÷ 20).