What is CPM on Facebook ads?

CPM (cost per mille) is the price paid for 1,000 ad impressions on Meta platforms like Facebook and Instagram.

How do I calculate cost from CPM and impressions?

Use: Cost = (Impressions / 1,000) × CPM.

How do I estimate impressions from budget and CPM?

Use: Impressions = (Budget / CPM) × 1,000.

What is a good CPM for Facebook ads?

There isn't one universal "good" CPM. It varies by geo, objective, audience breadth, placements, seasonality, and creative fatigue. Use benchmarks as a starting point and validate with a small test.

Why is my Facebook CPM so high?

Common reasons include narrow targeting, restrictive placements, high competition/seasonality, low creative quality, and audience fatigue. Use this calculator for planning and use experiments to validate.

Is this Critical Path Method (CPM) or cost per mile?

No. This page uses CPM as cost per 1,000 impressions in advertising.

Meta Ads Tool

Facebook CPM Calculator

Estimate Meta ads cost from CPM and impressions—or estimate impressions from budget. Includes formulas, copy-ready summary, and optional AI insights—free, no signup.

Use calculator See features

CPM Budget Calculator

Calculate impressions from budget or required budget from impression targets.

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CPM here means Cost Per Mille (cost per 1,000 ad impressions), not Critical Path Method.

Example presets

Timeframe

Advertising channel

Budget (USD)

CPM

Use CPM range

CPM (USD)

Facebook / Meta typical CPM range: $5 - $12

Results

Daily20,532 impressions

Weekly143,725 impressions

Monthly625,000 impressions

Yearly7,494,251 impressions

Formula

Impressions = (Budget / CPM) * 1,000

AI Insights (Optional)

Get CPM sanity checks and budget optimization suggestions based on your inputs.

Target geography

Campaign type

Plan Meta ads faster with CPM

Two-way calculator

Convert impressions ↔ cost for quick planning, quoting, or sanity checks.

CPM range planning

Model uncertainty with CPM min/max and see a cost/impressions range.

Copy-ready summary

Copy inputs, formulas, and results for clients, teammates, and media plans.

Optional AI insights

Get a Meta-specific checklist for why CPM may be high and what to test next.

How it works

Pick a direction

Choose Impressions → Cost or Budget → Impressions.

Enter CPM and your known value

Provide CPM plus impressions or budget to calculate the missing output.

Copy and iterate

Copy a summary and tweak CPM (or use a CPM range) to explore scenarios.

FAQ

Run a quick Meta budget scenario

Estimate cost or impressions in seconds, then copy a summary for your plan.

Use calculator

This tool provides planning estimates only. Actual Meta CPM can vary by auction dynamics, targeting, placements, seasonality, and measurement.