Convert 1 square inch to square kilometer

1 in² (square inch) is equal to 0.00000000064516 km² (square kilometer). To convert from square inch to square kilometer, multiply by 0.00000000064516 or divide by 1,550,003,100.0062.

• 1 in² × 6.4516E-10 = 6.4516E-10 km²
• 1 in² ÷ 1550003100.0062 = 6.4516E-10 km²