Full name: kilometre/hour
Plural form: kilometers/hour
Symbol: km/h
Alternate spelling: km/hr
Category type: speed
Scale factor: 0.277777777778
The SI derived unit for speed is the meter/second.
1 meter/second is equal to 3.6 kilometre/hour.
Valid units must be of the speed type.
You can use this form to select from known units:
I'm feeling lucky, show me some random units
The kilometre per hour (American English: kilometer per hour) is a unit of both speed (scalar) and velocity (vector).
The km/h is the worldwide most commonly used speed unit on road signs and car speedometers.
Weight loss info
Lose 9 lbs in 11 days. Low fat and low carb diets don't work.
Learn about calorie shifting and get 50% off the
online diet generator.
Support this site
If this page was helpful, please
donate a small amount
or advertise
on the site. If you are a regular visitor, you might prefer to
remove most ads.
You can also contact us
if you have any comments or suggestions.