Missed call revenue

Missed call cost calculator for service businesses.

A missed call is not just a notification. For HVAC, plumbing, med spas, law firms, clinics, and other appointment-based businesses, it can be the moment a buyer calls a competitor.

Simple formula

Missed calls x qualified lead rate x close rate x average job value = potential revenue at risk.

Example
$4,900/month

40 missed HVAC calls x 35% close rate x $350 average repair ticket.

Realistic examples by business type

These examples are estimates. Your real number depends on call volume, urgency, average ticket size, and how quickly your team follows up.

HVAC company

40 missed calls/month$350 average repair ticket35% close rate
$4,900 potential monthly revenue

Med spa

28 missed calls/month$425 average first visit30% close rate
$3,570 potential monthly revenue

Law firm

18 missed calls/month$1,500 average qualified matter20% close rate
$5,400 potential monthly revenue

Plumbing company

55 missed calls/month$275 average service call32% close rate
$4,840 potential monthly revenue

What the calculator does not show

The lost job is only one part of the damage. Missed calls can also create slower reviews, fewer repeat customers, and lower ad performance.

Ads get more expensive

If paid traffic sends callers to voicemail, your cost per booked job rises even when the ads look busy.

Schedules stay emptier

Calls that should have filled urgent openings turn into gaps on the calendar.

Follow-up gets inconsistent

A caller who waits hours for a reply may already be booked with someone else.

After-hours demand is wasted

Evening, weekend, and emergency callers often need help before your office opens.

How to use the number in a buying decision

1

Count the calls that go unanswered, hit voicemail, or wait too long.

2

Estimate how many of those callers were real buyers, not spam or wrong numbers.

3

Multiply qualified missed calls by your close rate.

4

Multiply the booked-job estimate by your average job value.