Full name: kilometre/sidereal year
Plural form: kilometres/year
Symbol: km/yr
Category type: speed
Scale factor: 3.1687536047488E-5
The SI derived unit for speed is the meter/second.
1 meter/second is equal to 31558.149504 kilometre/sidereal year.
Valid units must be of the speed type.
You can use this form to select from known units: