CPM, CPC and CTR Calculator
Updated on 22 Oct 2026 · Checked by Aotob
$1,000 for 200,000 impressions is a CPM of $5.
Each click cost $0.33 at a 1.5% click-through rate, and each conversion $11.11.
CPM
$5per 1,000 views
CPC = CPM ÷ (10 × CTR). Doubling your click-through rate halves what each click costs at the same CPM.
Show the working
CPM = 1,000.00 ÷ 200,000 × 1,000 = 5.00
CPC = 1,000.00 ÷ 3,000 = 0.33
CTR = 3,000 ÷ 200,000 = 1.5%
Cost per click at other click-through rates
| CTR | CPC |
|---|---|
| 0.5% | $1.00 |
| 1% | $0.50 |
| 1.5% | $0.33 |
| 2% | $0.25 |
| 3% | $0.17 |
| 5% | $0.10 |
Questions people ask
What is CPM?
Cost per mille: what 1,000 ad impressions cost. Spend ÷ impressions × 1,000.
What is a good CTR?
Search ads often get 3% to 6%; social and display ads 0.5% to 1.5%. Compare with your own past campaigns.
CPC or CPM bidding?
CPC suits ads where clicks are the goal; CPM suits awareness. They are linked: CPC = CPM ÷ (10 × CTR%).
Updated 22 Oct 2026Source: Standard business accounting formulasChecked by AotobUses the figures you enter.Report an issue