Nice tire sizing program

[btuk00]

Here is a link to a program that will help compute tire and wheel sizes for any car. put in your old size and then test different sizes to come up with comparable dimensions for your new tire/wheel combos.

http://members.aol.com/agspeed/tiresize.htm

Hope this is of some interest :mm_beer:

[Supra_devil]

http://www.bigcustomwheels.com/info_specs.jsp
this ones a bit better, has the rims size and offset too.
Also in the FAQ section on celicasupra.com there is a link to http://www.miata.net/garage/tirecalc.html

[Deanfun]

can't beat the miata tire size calculator.

[btuk00]

Thanks for the info, just found that. you are right it is better

[Muchbzy]

can't beat the miata tire size calculator.

Right there with you. I use it all the time.

[NickBrewer]

Here is another one:

http://www.1010tires.com/TireSizeCalculator.asp?action=submit

[TRD 83 SUPRA XX]

I like the one from big custom wheels better.