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How many km in a cm?
A kilometer (km) is much larger than a centimeter (cm). There are 100,000 cm in one km.
How do you convert larger unit to smaller unit and vice versa?
When converting from a larger unit to a smaller unit there will be more of them, so multiply by the conversion factor; eg km to m: there a 1000m in 1 km, so multiply by 1000 so 2.4 km = 2.4 x 1000 m = 2400 m When converting from a smaller unit to a larger unit there will be less of them so divide by the conversion factor; eg m to km: there are 1000m in 1 km so divide by 1000, so 2400 m = 2400 ÷ 1000 km = 2.4 km
How do you know when to multiply and when to divide to convert units of measurement?
Try both, and check in which of the two cases the units cancel. Here is an example: 1 km = 1000 m. Therefore, 1 km / 1000 m = 1, and also: 1000 m / 1 km = 1. To convert 3 km to meters: * If you multiply 3 km by 1 km / 1000 m, you get units of square km / meters (doesn't work, the units didn't cancel) * If you multiply 3 km by 1000 m / 1 km, some of the units cancel, and you get only m in the result (this is the correct way to do it).
What is 0.1 km as a fraction?
0.1 km is 1/10 as a fraction
How many Km make a metre?
1 m = 1m · (1 Km / 1000 m) = 1/1000 Km = 0'001 Km
