Enter the area of the room and the lumens needed per square foot into the calculator to determine the number of recessed cans needed. This calculator can also evaluate any of the variables given the others are known.

## Recessed Can Formula

The following formula can be used to calculate the number of recessed cans needed for a room.

RC = (A / S) * (L / S)

Variables:

- RC is the number of recessed cans neededA is the area of the room (square feet) S is the spacing guideline (square feet) L is the lumens needed per square foot

To calculate the number of recessed cans needed, divide the area of the room by the spacing guideline, then multiply the result by the lumens needed per square foot. The result will give you the number of recessed cans required for the room.

## What is a Recessed Can?

A recessed can, also known as a can light or pot light, is a type of lighting fixture that is installed into a hollow opening in a ceiling. When installed, it appears to have light shining from a hole in the ceiling, concentrating the light in a downward direction as a broad floodlight or narrow spotlight. It is a preferred choice for many due to its sleek, clean look and its ability to blend with the ceiling.

## How to Calculate Recessed Can?

The following steps outline how to calculate the number of recessed cans needed using the formula: RC = (A / S) * (L / S).

- First, determine the area of the room (A) in square feet.
- Next, determine the spacing guideline (S) in square feet.
- Next, determine the lumens needed per square foot (L).
- Use the formula RC = (A / S) * (L / S) to calculate the number of recessed cans needed.
- After inserting the values of A, S, and L into the formula, calculate the result.

**Example Problem:**

Use the following variables as an example problem to test your knowledge.

Area of the room (A) = 250 square feet

Spacing guideline (S) = 4 square feet

Lumens needed per square foot (L) = 800 lumens