KPH definition
Acronym for "kilometer per hour." Speeds in Canada and Europe are posted in kph. To convert kph to mph, divide by 1.609344. Thus 50 kph is about 30 mph; 70 kph is 44 mph; 90 kph is 56 mph; 100 kph is 62 mph; 110 kph is 68 mph. Maximum speed in Canada on its freeways is 110 kph.