Recessed Lighting Calculator

Find recessed light spacing and count.

Room area

Light spacing

Lights needed 8

Step-by-step with your numbers:

1. Values used:

2. Room area = 200

3. Light spacing = 5

4. Lights needed = 8

Did we solve your problem today?

Estimate the number of recessed cans in a grid layout.

The math behind it

lights ≈ area ÷ spacing² (grid layout).

Spacing?

Typically 4–6 ft apart.