After-Hours Revenue Capture Calculator

Your Business Numbers

Monthly Inbound Calls All sources combined

Average Project Value Closed projects only

Current Close Rate Estimate-to-close %

35%

5%20%40%60%80%

After-Hours Call % Calls outside 8am–6pm + weekends

37%

10%25%37%50%60%

System Assumptions (Editable)

Voicemail Loss Rate % who never call back after voicemail

85%

50%65%80%95%

Monthly Ad Spend (optional) Leave 0 if leads are mostly organic/referral

Voice AI Setup Cost One-time professional build

Monthly Platform Cost Vapi / Retell / Synthflow

What You're Currently Losing — Monthly

After-Hours Calls Hitting Voicemail
22
calls/month going nowhere

Lost Leads to Voicemail
19
never call back

Lost Estimates from Voicemail
6
bookings you never got

Monthly Revenue Escaping
$258K
gone to competitors

Monthly

Annual

Revenue lost to after-hours voicemail

—

Ad spend wasted on uncontacted leads

—

Total opportunity cost

—

Revenue recovered with Voice AI (conservative 60%)

—

First-Year ROI

139x

based on your inputs

First-Year Investment

$8,900

Projected Annual Recovery

$1.24M

Payback Period

14 days

Production System Benchmarks — What Good Looks Like After 30 Days

90%+

Answer Rate after-hours or overflow

60%+

Qualification Completion rate

30–40%

Booking Rate of qualified callers

<10%

No-Show Rate with confirmations

<2 min

Time to Calendar from first ring

130–170h

Expert hours for production build

Ready to stop losing leads to voicemail? The 8-Week Architecture Blueprint covers the full implementation: platform selection, calendar sync, CRM write-back, compliance, and the edge cases that break amateur builds.

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