How Much Are Missed Calls Costing Your Business? Work It Out From Four Numbers

Open the missed call cost calculatorDownload the missed enquiry cost worksheet (PDF)

Why the cost of a missed call is worth knowing

Nobody misses calls on purpose. The phone rings while you are under a sink, with a client, or driving between jobs, and by the time you call back the person has booked someone else. Each one feels small. The total rarely is, and until you put a number on it there is no way to judge whether a fix (a part-time receptionist, a callback rule, a booking link) is worth paying for.

Speed matters because people do not wait. Researchers writing in Harvard Business Review in 2011, in The Short Life of Online Sales Leads, found that most companies were not responding to online enquiries nearly fast enough. A phone call is the same problem with less patience: the caller can try the next number on the list in ten seconds.

The good news is that the arithmetic is simple, and every input comes from records you already keep. The missed call cost calculator does the multiplication; the work is getting honest numbers to feed it.

The four numbers, and where each one comes from

1. Enquiries per month. Every call, voicemail, web form, email and message from someone who might buy. Not spam, not suppliers, not existing customers asking when you will arrive. Your phone's call history and your inbox for one month are enough.

2. Missed or answered too late (%). An enquiry counts as missed if nobody answered it, or if by the time you replied the person had already chosen someone else or stopped answering. A voicemail you returned the next afternoon to hear "we found someone, thanks" is a miss.

3. Close rate (%). Out of the enquiries you did answer, how many became paying customers? If you spoke to 40 people last month and 12 hired you, that is 30%. Use the answered ones only; the missed ones are what you are trying to price.

4. Value of a new customer ($). The average first sale gives a cautious figure. If customers come back, the customer lifetime value calculator gives the fuller one, because a lost customer also takes their repeat work with them.

The calculator then does four lines of arithmetic: missed enquiries = enquiries × % missed; customers lost = missed × close rate; revenue lost a month = customers lost × value; and the yearly figure is the monthly one times 12.

Two worked examples

A plumber. 60 enquiries a month, mostly calls. One in five rings out while they are working, so 20% missed. Of the people they do speak to, a quarter book a job, and the average first job is $900. That gives 12 missed enquiries, 3 lost customers and $2,700 a month, or $32,400 a year. Open the calculator with these numbers.

A hair salon. 200 enquiries a month across calls and Instagram messages, 10% missed during busy afternoons, half of the people answered book in, $85 a visit. That is 20 missed, 10 lost bookings and $850 a month, or $10,200 a year, before counting the fact that a good salon client comes back every six weeks. Open the calculator with these numbers.

The two businesses lose very different amounts for different reasons. The plumber misses fewer people but each one is worth a lot; the salon misses more people worth less each, and the real loss is the repeat visits. That is why the lifetime value option matters more for some businesses than others.

How to work out your own figure, step by step

1. Pick one recent month

A normal month, not your busiest week of the year. Open your phone's call history and your business inbox for those dates. If your phone only keeps a few weeks of history, your carrier's or phone system's online account usually keeps more.

2. Count the enquiries

Go through calls, voicemails, web forms, emails and messages, and tally each one from a potential customer. The worksheet with this post has a row per channel, which also shows you where most of your enquiries come from.

3. Count the misses

Mark each enquiry that was never answered or was answered too late. If the same person called three times in an afternoon, count them once.

4. Find your close rate

Divide the customers you won that month by the enquiries you answered. If you do not track this, check your invoices or calendar for new names.

5. Choose a customer value

Start with the average first sale. Work out the lifetime figure as well if customers usually come back.

6. Run the calculator and save the link

Enter the four numbers. The result updates as you type, and Copy link gives you a URL that reproduces it, which is the easiest way to compare against the next count.

Three ways the figure can mislead you

1. Missed callers may have been less likely to buy. Some people ring five businesses at once and take whoever answers first, and they would not all have hired you. The calculator assumes missed enquiries buy at the same rate as answered ones. If you think yours were mostly shoppers, lower the close rate for a cautious figure.
2. Repeat callers inflate the count. One person calling three times is one enquiry, not three. Merge them before you work out your miss rate.
3. One month can be unusual. A heatwave for an air conditioning business or December for a gift shop will skew everything. If your trade is seasonal, count a busy month and a quiet one and use both.

None of these makes the number useless. They make it a range, and a range is still enough to decide whether a $300-a-month fix pays for itself.

What to do with the number

Compare the yearly figure with the cost of the cheapest fix that would catch most of the misses. Often that is not a new hire. A voicemail greeting that sends callers to a booking link, a rule that every voicemail is returned within an hour, an auto-reply on your web form, or a booking link on your Google Business Profile so people can pick a time without calling at all. Our guide to setting up booking for a small business covers the booking side.

If many misses are web forms, emails and messages rather than calls, the fix is getting them into one place. That is the part Fynl handles: forms, website chat and your Gmail inbox sit in one place, with each enquiry filed on a contact, and the booking page lets people choose a time themselves. It does not answer phone calls or send text messages, so calls still need their own plan.

Whatever you change, count again in three months with the same rules, and compare the two calculator links.

For the inputs, the lifetime value calculator and the rest of our free business tools are free and need no sign-up.

Questions people also ask

Sources

• Harvard Business Review — The Short Life of Online Sales Leads (2011)
• Google Business Profile Help — Manage your local business links