Tire Size Calculator

[Java]

You can get specs and compare sizes. :thumb:

https://www.tacomaworld.com/tirecalc?tires=265-70r16-285-75r16

[FINOCJ]

FWIW - I like this one better than the tacoma one - not that the calculations are any different, but I like the easy list of comparable sizes...:
https://tiresize.com/calculator/

I also like this site for info on gear ratio, rpm, speed and tire sizes:
http://www.novak-adapt.com/knowledge/gearing