2*104m how to change it to km

2 * 104 m = 0.208 km

1 meter is equivalent to 0.001 kilometer.

1 kilometer is equivalent to 1000 meters.

kilo - means 1000 of the unit.

2 * 104 m = 208 m * 0.001 km = 0.208 km

OR 208 m / 1000 m = 0.208 km

In the event that kilometers is given and we need to convert to meters

Then

1 km = 1000 m

0.208 km * (1000 m / 1 km) = 208 m.

OR 0.208 km / 0.001 km = 208 m.