Missed Call Revenue Calculator: How Much Money Are You Losing?

The Missed Call Calculator

Here's the simple formula:

Let's break down each component:

Step 1: Count Your Missed Calls

Check your phone system for abandoned calls. If you don't have data, use this estimate based on industry research:

• Small service business (1-5 employees): 30-50 missed calls/month
• Medium service business (6-20 employees): 50-100 missed calls/month
• Medical/dental practice: 40-80 missed calls/month
• Legal firm: 20-40 missed calls/month

Remember: missed calls include calls that go to voicemail, calls abandoned on hold, and calls during times you're closed.

Step 2: Determine Your Conversion Rate

Of people who reach you, what percentage become customers? Industry averages:

• HVAC/Plumbing/Electrical: 25-35%
• Dental: 30-40%
• Legal: 15-25%
• Real estate: 10-20%
• General home services: 25-35%

Step 3: Calculate Average Customer Value

Include the first transaction plus likely follow-up business over a reasonable timeframe:

• Plumber (first job + estimated callbacks): $400-600
• HVAC (repair + maintenance plan potential): $500-800
• Dental (first year value): $800-1,200
• Legal (case value varies): $1,500-15,000+
• Real estate (commission): $8,000-15,000

Example Calculations by Industry

Plumbing Company

Dental Practice

HVAC Contractor

Law Firm

Where Do Missed Calls Come From?

Understanding the sources helps you fix the problem:

1. After-Hours Calls (35-45% of missed calls)

Your business hours are 8-5. Customers need you at 7 PM and on weekends. Most after-hours callers won't leave voicemails—they'll just call someone else.

2. High-Volume Periods (20-30% of missed calls)

Monday mornings. First hot day of summer for HVAC. Tax season for accountants. When you're busiest, you miss the most.

3. Staff Busy/Unavailable (15-25% of missed calls)

Lunch breaks, meetings, helping other customers, bathroom breaks—any time your phone person is occupied.

4. Hold Time Abandonment (10-20% of missed calls)

Caller placed on hold, wait too long, hang up. The threshold is shorter than you think—42% of people hang up after 1 minute.

Solutions by Problem Type

For After-Hours: AI Voice Agents

AI voice agents answer 24/7/365 with the same quality as your best receptionist. They book appointments, capture information, and route emergencies—all while you sleep.

Cost: $400-700/month. ROI: Typically 5-15x for businesses with significant after-hours call volume.

For High-Volume: AI + Human Hybrid

AI handles overflow during peak times. Never tells a customer to hold. Never lets calls go to voicemail.

For Staff Gaps: Call Routing with AI Backup

Phone rings, staff misses it, AI picks up immediately. Seamless experience for the caller.

For Hold Time: AI Pre-Qualification

AI gathers information while caller would otherwise be on hold. When staff picks up, they have context and the call is faster.

The Cost of Fixing It

Here's the math on common solutions:

Case Study: The 23-Call Recovery

Here's what happened when a plumbing company implemented Brandverse AI voice agents:

Before:

• 47 missed calls/month documented
• Estimated 35% would have converted = 16 lost jobs
• At $450 average = $7,200/month lost

After 60 days:

• 0 calls going to voicemail
• 23 additional jobs booked from after-hours calls
• Revenue recovered: $10,350/month
• AI cost: $497/month

Net gain: $9,853/month

That's $118,236/year from solving one problem.

Calculate Your Number

Use this template with your real numbers:

If that number makes you uncomfortable, good. Now you know what to fix.