A square yard is defined as exactly 9 square feet — commonly needed for carpet, flooring, and turf, which are conventionally sold by the square yard.
How it works
Dividing square feet by 9 gives square yards; multiplying square yards by 9 gives square feet back. Type into either field and the other updates instantly.
What this does not include
This does not include acres or other larger area units — for those, use this site’s acreage calculator instead.
How to use this calculator
- Enter a value in either square feet or square yards — the other field fills in automatically.
Frequently asked questions
Why is a square yard exactly 9 square feet?
A yard is exactly 3 feet, and area scales with the square of a linear dimension, so 3 × 3 gives 9 square feet per square yard.
Where is this conversion most commonly needed?
Buying carpet, artificial turf, or fabric, all of which are conventionally priced and sold by the square yard in the US.
Is this different from converting to cubic yards?
Yes — square yards measure a flat area; cubic yards measure a volume (area times depth), a different quantity entirely.