how to figure your tire height

[Prothane]

Here's a simple formula for figuring tire height...

Tire Width(205mm) X Aspect Ratio(40series) X 2/2540 + Wheel Diameter(17") = Overall Height(23.46")

[markmdz89hatch]

Sweet, thanks Chris, that's good info to know.

[Jims 86LXI HB]

Thanks.

For the times you might need to sort threw a whole number of tires, here's a site that'll to the same thing automatically
http://www.miata.net/garage/tirecalc.html