How many kilometers are in one square kilometer?: Square kilometers are measured as an area and Kilometers are a measured as length. A square kilometer is a unit used to measure area. Example, 1 square kilometer can be written as 1 sq km or 1 km².
The answer is 1 Km each. one (km) x 1 (Km) = 1 Sq Km.
1 kilometer is 1000 meter.
1 squared kilometer would be the square root of 1000.
1000^(1/2)=100.
therefore their are 100 square meters in 1 squared kilometer.
100 square meters is 100/1000 or 1/10 of a kilometer.
therefore there is 1/10 of a kilometer in one square kilometer.