To convert 400 kilometers per hour to the equivalent value in miles per hour, multiply 400 kilometers by the equivalent value in miles. One kilometer equals 0.62 mile, so 400 kph equals 248 mph.
Continue ReadingOne kilometer equals 0.62 mile. Because the starting value and the result are in units per hour, use the same conversion factor for distance over time.
For this problem, use the following equation: 400 kph * 0.62 = 248.
The calculated answer is in miles per hour, so 400 kph equals 248 mph.