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Tire Calculator

Tire Calculator

by Extreme Software, Inc.

25 ratings
23 reviews
🔧 Utilities
🔍 Reference

Archived App (Last seen on 2 Apr 2026)

This is an archived listing of the app previously available on the App Store.

Although the app is no longer distributed by Apple, you can still view its description, screenshots, version history, ratings, and metadata for reference.

Details

  • Released
  • Updated
  • October 16, 2008
  • October 27, 2017

Features

Developer

Extreme Software, Inc.
✨Promote your app ✨
Tire Calculator screenshot #1 for iPhone
Tire Calculator screenshot #2 for iPhone
iphone
ipad
⭐23
Reviews↘︎
❓8 answered
FAQ↘︎
📦w/o updates
Updates frequency↘︎
🖼️Get Icon
Icons↘︎

About

This automotive tool helps you determine if new tire sizes will fit your vehicle. It provides detailed comparisons of before and after measurements, including sidewall height, radius, diameter, circumference, and rotations per mile. It also estimates speedometer differences and results.

✓Tire size compatibility check
✓Sidewall height comparison
✓Wheel and tire radius/diameter calculation
✓Tire circumference and rotation count
✓Speedometer reading difference
✓Standard and metric unit support
Show original description

What's New in Tire Calculator

2.1

October 27, 2017

This app has been updated by Apple to display the Apple Watch app icon. The application has been updated to support iOS11 on both the iPhone and the iPad.

More

User reviews

Most RecentHighest RatedLowest Rated

Very Basic

There are many other apps for free that provide the same information.
Kuben28Kuben28

Not supported for current iOS versions

Please refund the purchase price for this. Does not support current iOS versions so app has been deleted. Do not buy this app.
Rocket83715Rocket83715

Response from developer

This application has been updated and your reported issue is now resolved. Please try again -- Thank-you!

Besoin urgente de mise à jour!!

Fonctionne pas!
Patt65Patt65

Do not buy

This app used to work. Hasn't worked for a couple years now, very disappointing.
App not compatible with newer IOS software. This app should be removed.
Havi83Havi83

Response from developer

This application has been updated and your reported issue is now resolved. Please try again -- Thank-you!

Stopped working

The app worked fine and after upgrade just crashes every time you try to use it
are gangare gang

Response from developer

This application has been updated and your reported issue is now resolved. Please try again -- Thank-you!

See 18 more reviews

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FAQ

What does Tire Calculator show after comparing tire sizes?

Tire Calculator displays sidewall height, wheel and tire radius, wheel and tire diameter, tire circumference, rotations per mile, and approximate speedometer results. It also highlights the difference in speedometer readings between the old and new tire sizes.

Can Tire Calculator handle both standard and metric tire sizes?

Yes, Tire Calculator is compatible with and can display both standard and metric results, making it versatile for different regions and tire specifications.

What is the price of Tire Calculator?

Tire Calculator is a paid application, priced at $2.99. This one-time purchase grants you access to all its features.

On which devices can I use Tire Calculator?

Tire Calculator is available for iPhone, iPad, and iPod touch devices. It is designed to work across Apple's mobile ecosystem.

How often is Tire Calculator updated?

The latest version of Tire Calculator is 2.1, which was last updated on October 27, 2017. While updates have not been frequent recently, the app provides core functionality for tire calculations.

What is the age rating for Tire Calculator?

Tire Calculator has an age rating of 4+, indicating it is suitable for users of all ages. Its content is generally appropriate for a wide audience.

What do users think of Tire Calculator?

Tire Calculator has an average rating of 2.5 stars from 25 ratings. This suggests a mixed reception from users, with some finding it useful and others potentially experiencing issues or unmet expectations.

When was Tire Calculator first released?

Tire Calculator was first released on October 16, 2008. It has been available for a significant period, undergoing updates to reach its current version.