How many cm in 0.3 of a km?

There are 1000 meters in a kilometer and 100 centimeters in a meter. Therefore, to convert kilometers to centimeters, you would multiply by 100,000 (1000 meters x 100 centimeters). To find 0.3 of a kilometer in centimeters, you would multiply 0.3 by 100,000, which equals 30,000 centimeters. So, there are 30,000 centimeters in 0.3 of a kilometer.