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Missed Call Revenue Leak Calculator

How much revenue are you losing to unanswered phones? Input your call volume and close rates. See the leak — and what your competitors are picking up.

Call Volume & Performance
Total inbound calls your business receives per month
501,000
Percentage of calls answered by a live person
%
40%99%
Average revenue from a completed service call
$
$100$2,000
Conversion & Ad Spend
% of answered calls that convert to a booked job
%
10%80%
Monthly spend on ads driving phone calls (Google, LSA, etc.)
$
$0$20,000
Monthly Revenue Leak
$6.9K
$82.3K lost annually from unanswered calls
Missed Calls / Month
56
28% miss rate on 200 inbound calls
Wasted Ad Spend / Month
$840
$10.1K wasted annually
Call Disposition
Answered Calls
144/mo
Missed Calls
56/mo
Annual Revenue Impact
What missed calls cost you every year
Lost Revenue
$82.3K
From missed bookings
Wasted Ad Spend
$10.1K
Ads driving missed calls
Total Annual Loss
$92.4K
Lost revenue + wasted ad spend combined
Industry Benchmarks

HVAC companies miss 27% of inbound calls

Plumbing companies miss 28% of inbound calls

85–95% of callers hang up on voicemail and call a competitor

This is your Operational Leakage — revenue walking out the door with every missed call.

Your voicemail is costing you $6.9K/month. Every missed call goes straight to a competitor who picks up.

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Methodology

This calculator estimates revenue loss from missed inbound calls based on industry data from ServiceTitan and Invoca. Missed call rates for home services businesses typically range from 20–35%, with HVAC and plumbing companies averaging 27–28% of calls unanswered. The 85–95% voicemail abandonment rate reflects research showing that the vast majority of callers who reach voicemail will hang up and call the next provider rather than leave a message. Wasted ad spend is calculated proportionally to the miss rate, representing paid clicks and impressions that generate calls no one answers. Actual results vary by market, season, staffing levels, and call handling procedures. Lead-to-booking conversion rates depend on service type, pricing, and availability. All calculations run client-side; no data is collected or transmitted.