Acres to Square Yards
Type a value in either box to convert between acres and square yards. The factor is 4840.
| Acres | Square Yards |
|---|---|
| 1 ac | 4840 yd² |
| 2 ac | 9680 yd² |
| 3 ac | 14520 yd² |
| 5 ac | 24200 yd² |
| 10 ac | 48400 yd² |
| 25 ac | 121000 yd² |
| 50 ac | 242000 yd² |
| 100 ac | 484000 yd² |
How to use
- Enter a value in the Acres field.
- The Square Yards figure appears immediately — no button to press.
- Typing in the Square Yards field converts back to Acres the same way.
- Use the reference table for the values that come up most often.
Acres to Square Yards formula
The factor from acres to square yards is 4840.
yd² = ac × 4840
Put another way, one acre is exactly 4,840 square yards.
Why this factor: the acre and the square yard are both defined against the square meter, so dividing one definition by the other gives 4840 directly. Both definitions are set out in full below.
To go the other way, divide by 4840 — or use the Square Yards to Acres converter, which is the same calculation reversed.
Worked example
Start with 50 ac. Multiply by 4840 to get 242000 yd².
50 ac × 4840 = 242000 yd²
The converter above does this for any value you type, in either direction.
What is an acre?
An acre is the customary land area unit of the US and UK, historically a day's ploughing for one team of oxen.
Definition: One chain by one furlong — 43,560 square feet — which is exactly 4,046.8564224 square meters.
Where it is used: US and UK property and farmland, development parcels, and land sales.
Worth knowing: 640 acres make one square mile, the basis of the US Public Land Survey grid.
What is a square yard?
A square yard is the area of a one-yard square — nine square feet.
Definition: Exactly 0.83612736 square meter, following from the exact 0.9144 m yard.
Where it is used: Carpet, turf and paving quantities in the US and UK.
Acres vs Square Yards
The acre and the square yard belong to the same family of units, so converting between them is usually a matter of shifting a decimal point or applying a small whole-number factor.
Frequently asked questions
How many square yards are in an acre?
One acre equals 4840 square yards.
What is the formula to convert acres to square yards?
Multiply the number of acres by 4840. To reverse it, divide by 4840 instead.
How do I convert square yards back to acres?
Divide by 4840, which is the same as multiplying by 0.00020661157.
How many square yards are in 10 acres?
10 ac works out to 48400 yd².
Is there anything to watch out for with acres?
640 acres make one square mile, the basis of the US Public Land Survey grid.
How is the acre defined?
One chain by one furlong — 43,560 square feet — which is exactly 4,046.8564224 square meters.