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Click fraud cost calculator for PPC agencies
Estimate what invalid clicks could cost a client account each month, plus the agency hours spent checking for them. You choose the invalid-click share: no fraud rate is assumed for you.
Possible wasted spend: $1,250 per month ($15,000 per year)
About 500 of 10,000 clicks per month
Time spent checking: $240 per month
Spend plus time at risk: $1,490 per month.
Note: invalid clicks Google detects are filtered before billing, so the part of your suspected share that Google already caught is not a loss. Treat the result as an upper bound on what remains, and compare it with the Invalid clicks column and invoice credits (see how to check invalid clicks in Google Ads).
Your numbers stay in your browser. Defaults are round placeholders, not benchmarks. Type in your own figures.
Wasted spend by monthly budget (illustrative grid)
| Monthly spend | 1% invalid | 3% invalid | 5% invalid | 10% invalid | 20% invalid |
|---|---|---|---|---|---|
| $1,000 | $10 | $30 | $50 | $100 | $200 |
| $2,500 | $25 | $75 | $125 | $250 | $500 |
| $5,000 | $50 | $150 | $250 | $500 | $1,000 |
| $10,000 | $100 | $300 | $500 | $1,000 | $2,000 |
| $25,000 | $250 | $750 | $1,250 | $2,500 | $5,000 |
| $50,000 | $500 | $1,500 | $2,500 | $5,000 | $10,000 |
| $100,000 | $1,000 | $3,000 | $5,000 | $10,000 | $20,000 |
| $250,000 | $2,500 | $7,500 | $12,500 | $25,000 | $50,000 |
| $500,000 | $5,000 | $15,000 | $25,000 | $50,000 | $100,000 |
Download this grid as CSV (monthly and annual). Method: spend x share. The shares are assumptions spanning a range; they are not measured fraud rates and not from any vendor.
What the calculator leaves out
- Google's own filtering and invalid-activity credits.
- Lost conversions from fake traffic and skewed bidding data.
- Differences by campaign type, network and country.
Not financial advice. See the FAQ for how the Clickward concept would differ from Google's filtering.
Clickward is an early concept in validation.