Square Kilometers to Square Yards
Convert square kilometers to square yards instantly — one square kilometer is 1.19599e+06 square yards.
| Square Kilometers | Square Yards |
|---|---|
| 1 km² | 1195990.046301 yd² |
| 2 km² | 2391980.092602 yd² |
| 3 km² | 3587970.138903 yd² |
| 5 km² | 5979950.231505 yd² |
| 10 km² | 11959900.463011 yd² |
| 25 km² | 29899751.157527 yd² |
| 50 km² | 59799502.315054 yd² |
| 100 km² | 119599004.630108 yd² |
How to use
- Enter a value in the Square Kilometers field.
- The Square Yards figure appears immediately — no button to press.
- Typing in the Square Yards field converts back to Square Kilometers the same way.
- Use the reference table for the values that come up most often.
Square Kilometers to Square Yards formula
Converting square kilometers to square yards is a single multiplication by 1195990.05.
yd² = km² × 1195990.05
Why this factor: the square kilometer and the square yard are both defined against the square meter, so dividing one definition by the other gives 1195990.05 directly. Both definitions are set out in full below.
To go the other way, divide by 1195990.05 — or use the Square Yards to Square Kilometers converter, which is the same calculation reversed.
Worked example
Given 1000 km², multiplying by 1195990.05 yields 1195990046.30108 yd².
1000 km² × 1195990.05 = 1195990046.30108 yd²
The converter above does this for any value you type, in either direction.
What is a square kilometer?
A square kilometer is the area of a one-kilometer square — one million square meters.
Definition: Exactly 1×10⁶ square meters. Note it is the kilometer that is squared, not the prefix applied to a square meter.
Where it is used: City, national park and country areas, population density, and land cover statistics.
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.
Square Kilometers vs Square Yards
The square kilometer is a metric unit while the square yard is an imperial unit. That is why the factor between them is not a round number: the two systems were defined independently and only later tied together by exact agreement.
Frequently asked questions
How many square yards are in a square kilometer?
One square kilometer equals 1195990.05 square yards.
What is the formula to convert square kilometers to square yards?
Multiply the number of square kilometers by 1195990.05. To reverse it, divide by 1195990.05 instead.
How do I convert square yards back to square kilometers?
Divide by 1195990.05, which is the same as multiplying by 8.3612736e-07.
How many square yards are in 10 square kilometers?
10 km² works out to 11959900.463011 yd².
How is the square kilometer defined?
Exactly 1×10⁶ square meters. Note it is the kilometer that is squared, not the prefix applied to a square meter.