Cpm Calculator
Calculate the cost per thousand impressions (CPM) for your advertising campaigns. Enter total cost and total impressions to find your CPM, or enter any two values to calculate the third.
Published by:
isCalculator Editorial Team
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How to use this tool?
How to Use the CPM Calculator
This calculator computes Cost Per Mille (CPM) — the cost per 1,000 impressions — or solves for cost or impressions when the other two are known.
Step-by-Step Instructions
- Enter any two of the three fields: Total Cost ($), Total Impressions, or CPM ($).
- Leave the third field empty — that’s the value the calculator will find.
- Click Calculate to see the result.
- Use Clear to reset all fields and start over.
What the Calculator Does
- If you enter Cost and Impressions: It calculates CPM = (Cost ÷ Impressions) × 1000.
- If you enter Cost and CPM: It calculates Impressions = (Cost × 1000) ÷ CPM.
- If you enter Impressions and CPM: It calculates Cost = (CPM × Impressions) ÷ 1000.
All values must be positive numbers. You cannot fill all three fields — leave exactly one blank.
Previous Results
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Frequently Asked Questions
CPM stands for Cost Per Mille, meaning cost per thousand impressions. It is a common metric in advertising to measure the cost of reaching 1,000 viewers.
CPM = (Total Cost / Total Impressions) * 1000. For example, if you spend $500 for 100,000 impressions, your CPM is ($500 / 100,000) * 1000 = $5.00.
Yes, enter any two of the three values (total cost, total impressions, CPM) and the calculator will compute the missing one.
