Full name: inch/tropical year
Plural form: inches/year
Symbol: in/yr
Category type: speed
Scale factor: 8.0489463538738E-10
The SI derived unit for speed is the meter/second.
1 meter/second is equal to 1242398639.5669 inch/tropical year.
Valid units must be of the speed type.
You can use this form to select from known units: