Making it Fit: Our guide to calculating all things wheel, tire, and offset.

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Thought I would throw up a few links that I routinely use for wheel and tire calculations.

Simple Wheel Offset Calculator

Tire Size Calculator

Wheel and Tire Calculator

BBS Thread for n00bs

Tire Stretch Gallery

Tire Stretch Utility, opens in Excel

Handy little chart for measuring wheel ET and backspacing:


That is all I have off of the top of my head. I know a few more, but those will get everybody started. If you need something specifically that I didn't post, then let me know.

-Chad

[schroedin]

Solid post, very helpful. Good work!

[EThirtySicks]

Nice, I've only seen a couple of these links before. Thanks dude!

[grippymonkey]

nicely done!

[BeemerBuyer]

very good stuff. Sticky this?

[SeanDub]

very good stuff. Sticky this?

Yup. done.

[Oscar]

The one that opens in excel is what I use, good stuff.

[Stephen]

Is it just me or is the stretch calculator a little off?

My buddy has 205/45s on a 16x8 that stretch nicely, the calculator reads that as square

[SeanDub]

lol, my 205/40's on an 8 were damn near square. 205mm = 8.07 inches

I was running Fuzions which are notoriously narrow as well

[Stephen]

weird.. oh well

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My buddy has 205/45s on a 16x8 that stretch nicely, the calculator reads that as square

I had 205/40s on the fronts of the 8" WRDs, they didn't have very much stretch at all to them. It is also dependent on what particular tire you are running, as Sean mentioned.

[RocknRolla]

more usefull links

[E36HB]

Great thread!

[dj_slokid]

im lost, sorry for being a dumbass, but i wanna run 17's on my grl 2010 yaris sedan, what should i be looking for to get a nice stance. Plez help

[VdaAccord06]

wow very helpful. this makes it easier to visualize.