Classroom Seating Calculator
How many desks fit a room safely.
Enter your values
Results update instantly as you type — no submit needed.
Results
- Students that fit
- 22
- Room area
- 63 m²
- Usable area
- 47.3 m²
- Area per student
- 2.1 m²
Quick answer
Classroom capacity is usable floor area divided by the space each student needs.
Capacity = area × (1 − circulation) ÷ space per student
How to use the Classroom Seating Calculator
- 1Measure the room length and width.
- 2Set the space each student needs.
- 3Allow for teacher circulation and exits.
Frequently asked questions
What is a normal space per student?
About 2 m² for secondary desks, more for practical rooms.
Does this meet fire rules?
Check local regulations — this is a planning estimate only.