1 Square Millimeters to Square Kilometers

Convert 1 square millimeters (mm²) to square kilometers (km²) with formulas, examples, and conversion tables.

mm²
km²
1 mm² = 1e-12 km²
Full precision:1e-12 km²
Step-by-Step Solution

To convert 1 square millimeters to square kilometers, we divide by 1e+12 because one square kilometer equals exactly 1e+12 square millimeters.

1 square kilometer = 1e+12 square millimeters

Since there are 1e+12 square millimeters in every square kilometer, we divide our value by this factor:

1 ÷ 1e+12 = 1e-12 square kilometers

So 1 square millimeters = 1e-12 square kilometers.

Quick check: 1e-12 × 1e+12 = 1 square millimeters

Square Millimeters to Square Kilometers Conversion Table

Square MillimetersSquare Kilometers
1 mm²1e-12 km²
2 mm²2e-12 km²
3 mm²3e-12 km²
4 mm²4e-12 km²
5 mm²5e-12 km²
10 mm²1e-11 km²
20 mm²2e-11 km²
50 mm²5e-11 km²
100 mm²1e-10 km²

1 Square Millimeters in Other Units

Unit1 mm² =
Square Millimeters to Square Kilometers1e-12 km²
Square Millimeters to Hectares1e-10 ha
Square Millimeters to Square Meters0.000001
Square Millimeters to Square Centimeters0.01 cm²
Square Millimeters to Square Miles3.861e-13 mi²
Square Millimeters to Acres2.4711e-10 ac
Square Millimeters to Square Yards0.0000012 yd²
Square Millimeters to Square Feet0.00001076 ft²
Square Millimeters to Square Inches0.00155 in²
Square Millimeters to Ares1e-8 a
Square Millimeters to Barns1e+22 b

Related Conversions