km² to µm²
39 unitsResult1.000000e+18
1.000000e+18µm²
1 km² × 1.000000e+18 = 1.000000e+18 µm²
Convert Square kilometer to Square micrometer (km² to µm²)
1 square kilometer = 1.000000e+18 square micrometers. Convert square kilometers to square micrometers instantly, with the exact factor, the formula and a reference table of common values.
Formula
square micrometers = square kilometers × 1.000000e+18
km² to µm² conversion table
| km² | µm² |
|---|---|
| 1 km² | 1.000000e+18 µm² |
| 2 km² | 2.000000e+18 µm² |
| 3 km² | 3.000000e+18 µm² |
| 5 km² | 5.000000e+18 µm² |
| 10 km² | 1.000000e+19 µm² |
| 20 km² | 2.000000e+19 µm² |
| 50 km² | 5.000000e+19 µm² |
| 100 km² | 1.000000e+20 µm² |
| 250 km² | 2.500000e+20 µm² |
| 500 km² | 5.000000e+20 µm² |
| 1000 km² | 1.000000e+21 µm² |
What is a square kilometer?
A square kilometer is a square one kilometer on each side: one million square meters. It is the unit used for cities, forests, lakes and countries.
For a feel of scale, Central Park in New York covers about 3.4 square kilometers, and a small town might spread over ten or twenty. One square kilometer is exactly 100 hectares.
In writing, the square kilometer is usually shortened to "km²". One square kilometer is 1000000 square meters, and that ratio is what every number on this page is built from.