Free tool
Missed call calculator
This calculator estimates how much revenue your business may lose when calls and messages go unanswered. Enter how many inquiries come in each day, how many nobody answers, how many would have turned into customers, and what an average customer is worth. You get the estimated number of missed customers and the lost revenue per month and per year, with the formula shown right below.
Your estimate
- Missed customers per month
- ≈ 21
- Lost revenue per month
- ≈ €1,680
- Lost revenue per year
- ≈ €20,160
How we calculate it
Missed customers per month = inquiries per day × share not answered × share that would have become customers × working days per month
20 × 20% × 25% × 21 ≈ 21
Revenue per month = missed customers per month × average revenue per customer
21 × €80 ≈ €1,680
Revenue per year = revenue per month × 12
€1,680 × 12 ≈ €20,160
The math uses unrounded values; the figures shown are rounded.
For comparison: Neurobots Basic from €399/month excl. VAT + €1,299 one-time setup
See all plansExample calculation based on your inputs. No guarantee.
How many calls are you really missing? Here’s how to measure it
The calculator is only as good as the numbers you put in. These five steps get you reliable figures within one or two weeks.
Check your phone system’s call log
Most phone systems and providers keep a call log that includes missed calls. Export the last two to four weeks and count incoming and unanswered calls, including those outside opening hours.
Leave out repeat calls and callbacks
Someone who calls three times is one prospect, not three. Count each number once per day. If you reached a caller on callback and they booked, that call wasn’t lost.
Count messages too
Add inquiries from WhatsApp, email, contact forms and social media. Anything nobody replied to, or replied to after the customer had already booked elsewhere, counts as unanswered.
Work out your conversion rate
Look at the inquiries you did answer: how many ended in a booking or an order? That share is a good starting point for the ones you missed.
Take revenue per customer from your own data
Your POS system, booking software or accounting records will give you the average revenue per customer or appointment: one month’s revenue divided by the number of customers or appointments that month.
If in doubt, stay conservative: use a low conversion rate and the value of a first appointment rather than the value of the whole customer relationship.
Solutions for your industry
See how Neurobots answers calls and messages in your field:
Calculator FAQ
How accurate is the result?
The result is an example calculation based on your inputs. It is not a guarantee or a forecast. The calculator simply multiplies the values you enter, so the more accurately your figures come from your call log, POS system or booking software, the more meaningful the estimate.
What should I enter if I don’t know my numbers?
The preset values are examples only. Measure for one or two weeks as described in the guide above: your phone system’s call log, a simple tally of messages and the average revenue from your POS system or accounting records. Until then, it’s safer to use conservative values.
Do WhatsApp, email and contact form messages count?
Yes. Under “Calls and messages per day”, enter every incoming inquiry, whatever the channel. An inquiry counts as not answered if nobody replied, or if the reply came after the customer had already booked elsewhere.
How much does Neurobots cost by comparison?
Neurobots Basic costs €399 per month and Neurobots Pro €599 per month, plus a one-time setup fee of €1,299. All prices exclude VAT. Whether it pays off for you depends on your own numbers, and that’s exactly what we go through in the free audit.
Go through your result with us
In a free audit, we look at your numbers together and work out which inquiries Neurobots can answer for you.