Practical guide

What is booking capacity?

Last materially reviewed 2026-09-23

Quick answerA bookable appointment needs every required person, place and item at the same time. An empty calendar alone is not capacity.
What to know

Start with the occupied interval

A customer sees a starting time and a service duration. An operator has a longer question: what must remain unavailable before, during and after that visit? Preparation, the appointment itself and reset can occupy different people or assets. Write those intervals before choosing software. This is a planning method, not a description of every scheduling product. If a room needs cleaning after a visit, an apparently empty employee calendar must not reopen it too early.

What to know

Find the scarce component

Imagine three qualified staff members, two usable rooms and one specialist machine. For a service requiring one of each throughout the same interval, the machine permits only one simultaneous appointment. Adding another calendar does not remove that constraint. A service that needs no machine has a different limit. Count usable resources for the particular service, not everything the business owns. Broken equipment and an unavailable specialist do not belong in the available total.

What to know

Keep seats separate from bookings

One group booking might reserve one room but include several people. Alternatively each attendee might require a seat or piece of equipment. Those are different consumption rules. Trafft documents allocation by booking or person; the appropriate choice depends on the actual service. Our worksheet models identical one-person appointments only. Do not use its result as a group-class limit or assume software will infer the intended consumption from the service name.

What to know

Turn a definition into a test

Describe a collision that must be prevented: two customers selecting the last machine at the same time, or a class exceeding usable seats. Then describe a booking that should remain possible, such as another unrelated service in a separate room. Both tests matter. A configuration that prevents every booking is not correct merely because nothing overlaps. Begin with requirements, then use the worksheet to expose the binding constraint before evaluating a product.

Continue when useful

Next: Write a booking-software requirement that can be tested

Specify the appointment, its required resources and the conflict that must be prevented before comparing feature lists.

Open Write a booking-software requirement that can be tested →

Sources used for this page

These records support the facts and comparisons above. Merchant-controlled records are labelled so you can separate product claims from independent evidence.

  1. Trafft resource allocation — Merchant documentation · trafft.com · Merchant-controlled · checked 2026-09-23
  2. Schedulista: sharing a room among providers — Merchant documentation · support.schedulista.com · Merchant-controlled · checked 2026-09-23