Free tool

No-show cost calculator

Clinics, restaurants, studios and training centres lose money every time a customer books and does not turn up. Enter a few numbers from your own records to see what that costs per week, month and year, and what recovering part of it would be worth.

Private by design: the numbers stay in your browser. They are passed to our enquiry form only if you choose that option.

This tool needs JavaScript

Without it, the sum is simple: bookings per week × no-show rate × average booking value × weeks open. Or email us and we will work it through with you.

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How to use the answer

Use your own numbers. The values pre-filled in the form are placeholders so you can see how the tool works. They are not industry averages.
Count real no-shows. A cancellation received in good time and refilled is not a loss. Count only the slots that went empty.
Treat the recovery share as a question. Try 25%, 50% and 75% and ask what you would have to change to reach each one.
Remember revenue is not profit. Staff, rent and materials are often paid whether or not the customer comes.

If the figure is large enough to matter, the usual remedies are reminders customers can answer with one tap, a way to reschedule without phoning, a deposit for peak slots and a waiting list. Our guides on booking systems and WhatsApp and messaging explain each, and the clinics and restaurants pages show how they apply in Hong Kong.

Frequently asked questions

What counts as a no-show?

A booking where the customer neither turns up nor cancels in time for the slot to be refilled. Late cancellations that you cannot refill usually count too. Decide your own rule and apply it consistently.

Where do I find my no-show rate?

In your appointment book, booking system or spreadsheet: count bookings in a typical month and how many of them ended up empty. If you have no records, start counting for a few weeks. A rough figure from memory tends to be too low.

Is the recovery share a prediction?

No. It is an assumption you choose, so you can see what different levels would be worth. We do not claim any particular reduction, and results vary by business and customers.

Does the tool store or send my numbers?

No. It runs in your browser. The numbers leave the page only if you click to add the summary to the enquiry form, and you decide whether to send it.

Can I use it for a business that is not appointment-based?

Yes, wherever a customer reserves something and may not use it: restaurant tables, classes, treatment rooms, viewings, equipment hire or delivery windows. Replace “booking” with whatever your unit is.

Losing slots to no-shows?

Send us your numbers and how bookings arrive today. We will say what is worth fixing first.

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