Tire-Size-Calculator.info | Compare tires and wheels + graphical demonstration - Subaru Forester Owners Forum
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post #1 of 13 (permalink) Old 09-11-2013, 05:19 AM Thread Starter
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Thumbs up Tire-Size-Calculator.info | Compare tires and wheels + graphical demonstration

Hello Forum!

I want to introduce you to my newly released tire size calculator:

www.tire-size-calculator.info

You can compare your existing and future tires and / or wheels of your vehicle. You also get a nice graphical demonstration of how the tires and / or wheels look like in comparison.

You can calculate values such as circumference, speedometer difference, changes relevant to the ride height or the effect of wheel spacers and learn which tires or wheels fit best for your car.

I hope the tire size calculator can help you with your calculations and helps you in deciding on which tires and / or wheels to choose!

Would be nice if you have any suggestions or requests how to make the tire size calculator even more better.

Greetings – Mike!



PS: Admins or mods are welcome to make this thread sticky to help also new members of the forum who could need this tire size calculator.

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post #2 of 13 (permalink) Old 09-23-2013, 11:34 PM Thread Starter
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Hi to everyone!

I got a lot of feedback and many of you wanted to be able to input inch-values and not only metric ones. This is now possible :) Hope it will help you with your calculations.

If you like the tire size calculator it would be great if you could recommend it also to others!

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post #3 of 13 (permalink) Old 09-24-2013, 05:08 AM
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That is very, very cool.

One thing to keep in mind when using a tool like this is that tire sizes are considered "nominal," similar to the fact that a 2x4 piece of wood isn't really 2 inches by four inches. Because of manufacturing tolerances and reused tire molds, some tires with the same numerical size will have different widths or heights...by as much as half inch sometimes.


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post #4 of 13 (permalink) Old 09-25-2013, 05:45 AM
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Another vote to sticky this utility.


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post #5 of 13 (permalink) Old 10-03-2013, 08:47 AM
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really nice tool. completely understood it.

Figured out I should run a 235/50 on a 7.5 rim.
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post #6 of 13 (permalink) Old 10-03-2013, 10:55 AM
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Stickied!

~ Silke ~
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post #7 of 13 (permalink) Old 02-07-2014, 07:08 AM
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Double Thumbs-up!
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post #8 of 13 (permalink) Old 12-24-2014, 08:17 AM
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Great tool. Love it!
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post #9 of 13 (permalink) Old 03-07-2016, 02:41 PM
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question

Hey there, new to group and came across this link. 1st, thank you, this is very helpful. 2nd, will this let you know if tire will fit without any modification?

I am looking for the biggest tire I can put on a 2003 Forester XS without any major modifications. With and without a 2" strut spacer lift. Where should I look?
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post #10 of 13 (permalink) Old 08-13-2016, 06:21 PM
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This is awesome. You are awesome. :)


2017 Forester XT Premium.
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post #11 of 13 (permalink) Old 12-04-2016, 09:55 AM
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I'm swapping wheel sizes on my Subaru and came across these which are also nice, the first one talks about Scrub radius too.

Rim & Tire Size Calculator. Custom Offsets - Wheel-Size.com

https://www.rimsntires.com/specspro.jsp
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Peaty

2016 BRZ, 2010 Leg 3.6 R, 2013 OB, 2001 Forester S and 1999 Miata
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post #12 of 13 (permalink) Old 07-05-2018, 12:32 PM
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This is incredible. Thanks so much!
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post #13 of 13 (permalink) Old 07-05-2018, 12:54 PM
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@badger84 Is it possible that your speedometer calculation is backwards? Won't bigger than factory tires cause you to go faster than the speedometer reads?

I may be wrong here!
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