The formula
Monthly missed call cost = missed calls × close rate × average ticket value
Multiply by 12 for annual. The number is almost always larger than buyers expect.
Industry baselines
| Industry | Avg Missed Call Rate | Avg Ticket | Avg Close Rate |
|---|---|---|---|
| Healthcare | 23–27% | $300 | 35% |
| Home Services | 27% | $650 | 35% |
| Legal | 35% | $8,000 | 15% |
| Real Estate | 15 hr response avg | $9,500 commission | 20% |
| Auto Service | 23% | $450 | 40% |
| Finance/Insurance | 62% | $1,200 | 20% |
Sample calculations
- HVAC contractor: 100 calls/month × 27% missed × 35% close × $650 = $6,142/month missed = $73,710/year
- Dental practice: 200 calls/month × 23% missed × 35% close × $300 = $4,830/month missed = $57,960/year
- Law firm: 80 intake calls × 35% missed × 15% close × $8,000 = $33,600/month missed = $403,200/year
Run your real numbers
Use our interactive calculator with your actual call volume, close rate, and ticket value.
Frequently Asked Questions
- How accurate is this calculation?
- The formula is industry-validated; the accuracy depends on the inputs. Pull 30 days of real call data for the best estimate.