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TireMath

By CritterCreek.NET, LLC

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Description

TireMath is an intuitive, easy-to-use application that provides answers to several different tire equations. What size tire is 33x12.5x15 in Metric? I got bigger tires, now is my speedometer off? What size gear ratio do I need after upgrading my tires? All these questions can be answered with this tool. TireMath includes the following calculations:

Metric to Standard Tire Conversion
Standard to Metric Tire Conversion
Speedometer Conversion based on Tire Size
Odometer Conversion based on Tire Size
Needed Gear Ratio based on Tire Size

iPhone Screenshots

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Customer Reviews

Great tool

The gear ratio tool is WAY......... off, but every thing looks to be right on, I have a 98 Jeep Wrangler. 27" Original diameter, 35" New diameter, current gear ratio 3.07, the app says 3.98 BUT every chart I found the gear ratio needed is 4.56, I actually have 33's and installed a 4.56 gear set, now in my rear end from a 3.07. Now I have the stock gear ratio feel and acceleration. That's just my 2 cents, simple math might be there, but the friction and torque reduction is not factored

Quit working

Last program upgrade made the app not work. I can not change any of the numbers.

Terrible

Won't even open 90% of the time. When it does there's nothing there.

TireMath
View in iTunes
  • $0.99
  • Category: Utilities
  • Released:
  • Version: 1.0
  • Size: 0.4 MB
  • Language: English
  • Seller:

Compatibility: Requires iOS 3.0 or later. Compatible with iPhone, iPad, and iPod touch.

Customer Ratings

Current Version: