Speed Conversion Examples Kilometers per Minute to Millimeters per HourConvert 21 kilometer per minute to millimeter per hour
Convert kilometer per minute [km/min] to millimeter per hour
Let's convert kilometers to millimeters. One kilometer is 1000000 millimeters, so multiply kilometers by 1000000.
21 × 1000000 = 21000000 millimeters.
Let's convert minutes to hours.
One hour has 60 minutes, which means we need to divide the number of minutes by 60.
1 : 60 = 1/60
Divide distance by time
| = 1260000000 Millimeter per hour|