Tire Calculator (Offset&Speed‪)‬ 4+

Offset & speed error calc‪.‬

Satoshi Mori

Designed for iPad

    • USD 1.99

Screenshots

Description

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.

What’s New

Version 3.3.1

Minor bug fixes and specification changes

App Privacy

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.

Privacy practices may vary based on, for example, the features you use or your age. Learn More

Supports

  • Family Sharing

    Up to six family members can use this app with Family Sharing enabled.

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