To convert 85 mph to kph, you first need to convert miles to kilometers, and then multiply 85 by the ratio of miles to kilometers When multiplied out via the conversion process, 85 mph is equal to 136.765 kph.Continue Reading
According to About.com, 1 mile is equal to 1.609 kilometers. Therefore, convert 1 mile to kilometers by multiplying by 1.609.
Multiply 85 by 1.609. The answer is 136.765. There are 136.765 kilometers for every 85 miles.
Since 85 miles equals 136.765 kilometers and the time does not change, 85 mph is equal to 136.765 kph.