Square Yard (yd²)
Definition: A square yard (yd²) is an imperial unit of area equal to a square with sides of one yard.
History: Derived from the yard, which originated in medieval England for measuring textiles and land.
Current Use: Still used in real estate, carpeting, and some engineering applications.
Square Kilometer (km²)
Definition: A square kilometer (km²) is a metric unit of area equal to a square with sides of one kilometer.
History: Adopted with the metric system, it replaced traditional units like square miles in many countries for land measurement.
Current Use: Used in geography, land surveying, and environmental studies to measure large land areas.
Quick Conversion Table Square Yard (yd²) to Square Kilometer (km²)
1 Square Yard (yd²) equal to 0.000000836 Square Kilometer (km²)
5 Square Yard (yd²) equal to 0.000004181 Square Kilometer (km²)
10 Square Yard (yd²) equal to 0.000008361 Square Kilometer (km²)
20 Square Yard (yd²) equal to 0.000016723 Square Kilometer (km²)
30 Square Yard (yd²) equal to 0.000025084 Square Kilometer (km²)
50 Square Yard (yd²) equal to 0.000041806 Square Kilometer (km²)
75 Square Yard (yd²) equal to 0.00006271 Square Kilometer (km²)
100 Square Yard (yd²) equal to 0.000083613 Square Kilometer (km²)