Square Footage Calculator
Enter length and width to get the area in square feet, square yards, and square meters for any room or surface.
Results
- Area
- 120 sq ft
- Square yards
- 13.33 sq yd
- Square meters
- 11.15 m²
Estimates only. Round up and buy a little extra to account for waste, spills, and breakage.
Enter length and width to get the area in square feet, square yards, and square meters for any room or surface.
Also works as a room area calculator and sq ft to sq yd converter.
How to use the square footage calculator
- Enter the shape.
- Enter the length in ft.
- Enter the width in ft.
- Optionally add a price to estimate the total project cost.
- Read your quantities instantly — no sign-up, and you can print the estimate to take to the supplier.
Worked example
Inputs
- Shape
- Rectangle / Square
- Length
- 12 ft
- Width
- 10 ft
Results
- Area
- 120 sq ft
- Square yards
- 13.33 sq yd
- Square meters
- 11.15 m²
Using the example values above, the square footage calculator returns 120 sq ft (area). Change any field to match your own project and the numbers update instantly.
Formula
Area = length × width. Square yards = sq ft ÷ 9. Square meters = sq ft ÷ 10.764.
Frequently asked questions
- How do I find square footage?
- Multiply length by width in feet. For odd rooms, split into rectangles and add the areas.
- How many square feet in a square yard?
- There are 9 square feet in one square yard.
- How do I calculate square footage of an irregular room?
- Split the room into rectangles, find the area of each, and add them together. Round out bays and alcoves separately.