How Many Square Kilometers in a Square Mile?

Quick Answer
1 Square Mile = 2.59 Square Kilometers

1 mi² = 2.59 km²

Formula

km² = mi² × 2.59

Conversion Table

Square Miles (mi²)Square Kilometers (km²)
1 mi²2.59 km²
2 mi²5.18 km²
5 mi²12.95 km²
10 mi²25.9 km²
20 mi²51.8 km²
50 mi²129.5 km²
100 mi²259 km²
500 mi²1,295 km²
1,000 mi²2,590 km²

Worked Examples

Convert 5 mi² to km²:
5 mi² × 2.59 = 12.95 km²
Convert 10 mi² to km²:
10 mi² × 2.59 = 25.9 km²
Convert 50 mi² to km²:
50 mi² × 2.59 = 129.5 km²

FAQ

How many Square Kilometers are in 1 Square Mile?
There are 2.59 Square Kilometers in 1 Square Mile. Formula: km² = mi² × 2.59.
How to convert Square Miles to Square Kilometers?
To convert Square Miles to Square Kilometers, multiply the number of Square Miles by 2.59. For example, 10 mi² = 25.9 km².
How many Square Kilometers are in 100 Square Miles?
There are 259 Square Kilometers in 100 Square Miles. Calculation: 100 × 2.59 = 259.