Full name: inch/Gregorian year
Plural form: inches/year
Symbol: in/yr
Category type: speed
Scale factor: 8.0489395807301E-10
The SI derived unit for speed is the meter/second.
1 meter/second is equal to 1242399685.0394 inch/Gregorian year.
Valid units must be of the speed type.
You can use this form to select from known units: