CPM Calculator

Calculate advertising cost per thousand impressions. Enter your own values below to see cost per 1,000 impressions and check the method behind it.

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Your inputs

Change the example values to match your situation.

Your result

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Fill in your inputs and select Calculate.
Your result and breakdown will appear here.

How this calculator works

CPM = advertising cost ÷ impressions × 1000.

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What is CPM Calculator?

CPM Calculator helps you calculate advertising cost per thousand impressions.

The main result is cost per 1,000 impressions. The formula, example and assumptions below explain how to interpret it.

How to use CPM Calculator

Use the example to get familiar with the form, then enter your own figures. Any rates in the example are illustrative. Check the field labels and units before calculating.

  1. Gather advertising cost (₹) and impressions. Use values from the same situation or reporting period.
  2. Replace the example advertising cost with your own value, then complete the other fields. Check the displayed units.
  3. Select Calculate and read cost per 1,000 impressions. Change one input and calculate again to compare a second scenario. Reset restores the original example.
  • Enter advertising cost in ₹, at least 0. Decimals are accepted.
  • Enter impressions, at least 0.001. Decimals are accepted.

CPM Calculator: a worked example

With the inputs below, the result is ₹50 (cost per 1,000 impressions). Follow the example, then replace these illustrative values with your own.

Example inputs and output
Input or outputExample value
Advertising cost (₹)₹5,000
Impressions1,00,000
Cost per 1,000 impressions₹50

Understanding the CPM result

The main output is cost per 1,000 impressions, expressed in ₹. It applies to the inputs and operation you selected.

Displayed results use a readable number of decimal places. When checking a result by hand, keep extra precision until the last step. To compare scenarios, change one input at a time and keep the others fixed.

CPM Calculator: assumptions and common mistakes

A useful estimate starts with the right inputs. Check the following assumptions and limits before applying the result to your situation.

  • Match numerators and denominators from the same reporting period. Creator RPM is revenue per thousand views, while advertiser CPM measures spending.

For wider guidance, visit Google Ads Help. The formula and scope of this specific tool are stated on this page.

CPM Calculator FAQs

What does CPM Calculator calculate?

CPM Calculator helps you calculate advertising cost per thousand impressions. Its main output is cost per 1,000 impressions in ₹.

What inputs do I need for CPM Calculator?

You need advertising cost (₹) and impressions. Use the field labels and units to match your figures to the formula.

Which formula does CPM Calculator use?

CPM = advertising cost ÷ impressions × 1000.

What is a worked example for CPM Calculator?

Example inputs: Advertising cost: ₹5,000; Impressions: 1,00,000. The result is ₹50 (cost per 1,000 impressions).

How should I enter advertising cost?

Enter advertising cost in ₹, at least 0. Decimals are accepted.

How do I choose impressions?

Enter impressions, at least 0.001. Decimals are accepted. The example uses 1,00,000; replace it if your circumstances differ.

How should I read cost per 1,000 impressions?

The main output is cost per 1,000 impressions, expressed in ₹. It applies to the inputs and operation you selected.

Why might my CPM Calculator result differ from my records?

Match numerators and denominators from the same reporting period. Creator RPM is revenue per thousand views, while advertiser CPM measures spending. Differences in entered values, units or rounding can also change the comparison.

Can I compare two scenarios in CPM Calculator?

Yes. Note your first cost per 1,000 impressions, change advertising cost or another input, and select Calculate again. Editing a field clears the old result so it is not mistaken for a new calculation.

Is CPM Calculator free, and where are my inputs calculated?

This calculator is free to use without signing in. Its formula runs in your browser; calculator inputs are not sent to a calculation API. The inputs reset to the example values when you reset the form or start a fresh page.