Tire Size Calculator
#1
![Default](https://dodgeforum.com/forum/images/icons/icon1.gif)
maybe you have or havent seen this, but here ya go...
http://www.miata.net/garage/tirecalc.html
input our current size on the left, new size on the right.
http://www.miata.net/garage/tirecalc.html
input our current size on the left, new size on the right.