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Missed-call cost calculator

Enter how many calls you miss in a week, how many of those callers would have booked, your close rate and what a customer is worth. The calculator multiplies them out and shows the revenue at risk each month and each year, with every step of the math. It runs in your browser and sends nothing anywhere.

Calls nobody answered and nobody returned the same day. Your phone system's call log shows them.

New customers who wanted an appointment, an estimate or a quote. Leave out spam and existing customers.

Of the people who book, the share who become paying customers.

What one new customer spends with you. Use the first job, or a year of visits if you know it.

Revenue at risk each month

$1,300

Each year

$15,600

The math

  1. Bookings a week: 5 missed calls × 40% who would book = 2
  2. New customers a week: 2 × 50% close rate = 1
  3. Revenue at risk a week: 1 × $300 = $300
  4. Each month: $300 × 52 weeks ÷ 12 months = $1,300
  5. Each year: $300 × 52 weeks = $15,600

The starting numbers are an example, not an industry average. Put in your own.

Stop the leak

Missed-call text back $49 a month + $299 setup

When a call goes unanswered, the caller gets a text right away, so the lead does not go cold while you are with a customer. Replies land in Assure CRM, where your team picks them up. It runs inside Assure CRM ($97 a month after a 30-day free trial).

Missed-call text back is $49 a month plus $299 setup: $887 in the first year. At $300 per customer, the service pays for its first year if it wins back 3 of the 52 customers this math says you miss in a year.

How the math works

Four numbers, multiplied.

Revenue at risk = missed calls a week × share who would have booked × close rate × average customer value. That gives a weekly number. A month is 52 weeks divided by 12, about 4.33 weeks, and a year is 52 weeks.

With the example numbers: 5 × 40% × 50% × $300 = $300 a week, $1,300 a month and $15,600 a year. Each missed call carries $60 of revenue at risk.

It is an estimate of revenue at risk, not a forecast. Some callers try again later and some were never going to buy. That is why the calculator asks for the share who would have booked instead of counting every call as a sale.

Your numbers

Where to find each number.

Missed calls a week

Your phone system or phone company lists missed and unanswered calls. Pick a normal week, not a holiday, and count calls that nobody answered or returned the same day.

Share who would have booked

Listen to the voicemails and check the numbers against your customer list. Count the callers who were new and asking about an appointment, a price or a visit.

Close rate

Compare last month's bookings or estimates in your calendar or CRM with the jobs that were paid.

Average customer value

Take last month's revenue from new customers and divide it by the number of new customers. If customers come back for years, a year of visits is a fair number too.

Questions

About the missed-call calculator.

How much does a missed call cost a small business?
It depends on your numbers, which is why the calculator asks for them. Multiply the share of missed callers who would have booked by your close rate and by what a customer is worth. With the example numbers on this page, each missed call carries $60 of revenue at risk.
Is the result a promise of what I would earn?
No. It estimates the revenue at risk from calls that went unanswered, using the numbers you type in. Some of those callers would call back or book somewhere else either way.
Does the calculator save or send my numbers?
No. The math runs in your browser. Nothing you type leaves your device.
How does missed-call text back help?
When a call goes unanswered, the caller gets a text right away, so they can reply instead of calling the next business on the list. Replies land in Assure CRM, where your team picks them up. It is $49 a month plus $299 setup. Details are on our AI agents page.

See where your calls go.

Book a free 15-minute call. Bring last week's call log and we will go through the missed calls with you.

Serving South Florida and Dallas-Fort Worth. English and Spanish.