Tire Calculator (Offset&Speed)
Offset & speed error calc.
$1.99 · Designed for iPad
Professional favorite!
Calculate the offset and speed error using the tire and wheel calculation app "Tire Calculator"
Please leave the troublesome calculation of wheel tire change to Tire Calculator!
[Function]
① Wheel offset calculation (select rim width and offset or backspace)
· Inner and outer rim position change amount (inch or mm)
· Rim width change (inch or mm)
· Change amount of tread (inch or mm)
② Speedometer error calculation (Select tire size or directly input outer diameter)
Automatic calculation of tire outer diameter before and after replacement
· Speed error(%) Real speed to meter display
· Actual speed at 40(mph or km/h) display
*40 can be changed
· Actual travel distance when traveling 1000 (mile or km) distance
· Change in vehicle height (inch or mm)
*The error of the car can also be added to the speed error calculation
③ Speedometer error measurement (GPS use)
Actually run the vehicle, compare the GPS measurement value with the speedometer and measure the error
*Results will cause errors depending on the measurement environment.
[Features]
· Easy-to-understand screen design!
· Simple and easy operation!
[Specification]
Settable range
○ Offset calculation
· Rim width 3.5 J to 16 J
· offset (mm) -60 to +70
· backspace (in) 3" to 13"
○ Speed error calculation
· Tire width (mm) 135 to 405
· Profile (%) 20 to 85,82(R)
· Wheel diameter (inch) 10 to 32
· Tire outer diameter direct input range 100 to 2000(mm) or 5-100(inch)
· Vehicle side error correction (%) -30 to +30
○ Speedometer error measurement
· Measurable speed (km / h or mph) 10 ~ 300
[Notes]
An error arises in the calculation result depending on the wheel brand and the brand of the tire. Be sure to consult experts before actually changing the specifications.
Application creator assumes absolutely no responsibility.
Ratings & Reviews
Minor bug fixes
The developer, Satoshi Mori, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Satoshi Mori
- Size
- 7.9 MB
- Category
- Utilities
- Compatibility
Requires iOS 15.6 or later.
- iPhone
Requires iOS 15.6 or later. - iPad
Requires iPadOS 15.6 or later. - iPod touch
Requires iOS 15.6 or later. - Mac
Requires macOS 12.5 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- Languages
- English and Japanese
- Age Rating
4+
- 4+
- Copyright
- © 2017 toshi
