Hotel Overbooking Calculator
Find how many extra rooms you can safely sell using your no-show rate, late cancellations and the cost of walking a guest.
How to use the free Hotel Overbooking Calculator
- Enter your figures in the fields above – use real numbers from your PMS, channel manager or accounts.
- Tap the button to see the result instantly. Change any value to compare scenarios.
- Copy, print or save the result and use it in your daily or monthly review.
This Hotel Overbooking Calculator runs fully in your browser on mobile or desktop – no sign-up and nothing is uploaded. Free hotel overbooking calculator. Use your no-show and late cancellation rates and the cost of walking a guest to find a safe overbooking level.
Why hotels overbook
Some guests never arrive and some cancel too late to resell the room. Without overbooking, those rooms stay empty and the revenue is lost. A controlled overbooking level sells a few extra rooms so that, after no-shows and late cancellations, the hotel ends the night close to full — without walking guests. This hotel overbooking calculator suggests a safe number using your own no-show history and the cost of walking a guest.
The safety factor makes the calculator more careful when walking a guest is expensive. Read our full guide to hotel overbooking strategy for rules by day of week, group arrivals and peak nights.
Rules for safe overbooking
- Use separate no-show rates for weekdays, weekends and segments — OTA prepaid guests rarely no-show.
- Reduce overbooking on sold-out city-wide event nights when alternative hotels are full.
- Agree a walk policy with a nearby partner hotel in advance.
- Never overbook VIPs, long stays or guests arriving late at night.
Frequently asked questions
Is overbooking legal for hotels?
Overbooking is a common industry practice, but hotels must treat walked guests fairly — typically by arranging and paying for comparable alternative accommodation and transport. Check local consumer rules and OTA policies.
How do I find my no-show rate?
Divide the number of no-show reservations by total reservations due to arrive over the last few months, ideally separately for weekdays, weekends and each booking channel.
What does it cost to walk a guest?
Usually the alternative room, transport, a goodwill gesture and the risk of a negative review. Including this cost keeps your overbooking level conservative.
Want a revenue expert to check your numbers?
Get a free OTA, pricing and reputation audit from Revgrow360 — no obligation.