No-show rate calculator
Your rate, what it costs per month and per year, and what halving it would recover. Enter the numbers from your booking system; the defaults are placeholders, not benchmarks.
Defaults are illustrative placeholders, not benchmarks. Replace them with your own numbers.
Your no-show rate
11.9%
38 of 320 booked slots were no-shows
- Revenue lost per month
- $4,560
- Per year at this rate
- $54,720
- If you cut no-shows in half
- +$27,360 per year recovered
Rate = missed slots ÷ booked slots. Revenue lost assumes each missed slot went unfilled; if you routinely refill from a waitlist, your real loss is lower.
Five changes that bring the rate down
- Ask for a confirmation, not just a reminder. A text 24 to 48 hours ahead with “Reply C to confirm” tells you which slots are safe and which to release. The confirmation text templates cover the wording.
- Send a same-day reminder a few hours before, with the address and a way to reschedule. The reminder templates are built for it.
- State a cancellation policy at booking and repeat it in the confirmation. Customers who know a late cancellation has a cost cancel earlier. The policy generator writes one.
- Take a deposit from new customers. Returning customers rarely no-show; first-timers do. A small deposit on first bookings targets the problem where it lives.
- Shorten the lead time. An appointment three weeks out is forgotten; one four days out isn't. Offer the earliest slot first and keep a waitlist to refill the ones that fall through.
The first two only work if the booking captured a mobile number and the details in the first place. When RingOwl books an appointment on a call, it records the name, number, and service, which is what a confirmation needs to go out on time.
No-show rate FAQ
How do you calculate a no-show rate?+
Divide the number of appointments where the customer didn't turn up by the total number of appointments booked in the same period, then multiply by 100. Thirty-eight no-shows out of 320 bookings is an 11.9% no-show rate. Decide up front whether late cancellations count; if the slot couldn't be refilled, most businesses include them.
What is a good no-show rate?+
It varies so much by industry, booking lead time, and whether you take deposits that a single benchmark misleads. The useful comparison is your own rate month over month, and the rate for new customers versus returning ones, which is usually where the gap is.
Should late cancellations count as no-shows?+
For revenue purposes, yes, if the slot went unfilled: the cost to you is the same. For operational purposes some businesses track them separately, because a customer who cancels late can be reminded earlier while a no-show needs a different fix. The calculator lets you toggle it.
What reduces no-shows the most?+
A confirmation request 24 to 48 hours before, with a one-word reply, is the single biggest lever, followed by same-day reminders, a stated cancellation policy, deposits for new customers, and shorter booking lead times. Most businesses see the largest drop from the confirmation step alone.
Are the default numbers benchmarks?+
No. They're placeholders so the calculator shows something before you type. Replace them with your own figures from your booking system for a real result.
The bookings behind the rate
Book every caller, with the details a confirmation needs.
RingOwl is a 24/7 AI receptionist for appointment-heavy small businesses. It answers every call, books the appointment into your calendar, and captures the name and number.
7-day trial · 30 minutes included · No credit card.
Related tools