Speed-Wiz Tire Pro has all the tire calculations and tire graphs you need.


Please note: Car Math Pro is replacing this app.


Tire calculations:
- Tire selection
- Tire size including nominal size, static rolling dimensions, and dynamic rolling dimensions
- Tire stagger
- Tire temperatures

Tire graphing:
- Dynamic tire size by pressure
- Dynamic tire size by speed
- Tire stagger by banking
- Tire stagger by turn radius
- Tire temperatures: bar chart by position
- Tire temperatures: line chart by position
- Tire temperatures: bar chart by tire
- Tire temperatures: line chart by tire

Tire size including nominal size, static rolling dimensions, and dynamic rolling dimensions
Easy and fun to use with sliding menus and swipe views
Automatic, instantaneous simulations and graphs
Accurate, reliable, and proven algorithms
Unlimited vehicle data and configuration files
Context-based online help
Metric and English inputs and outputs with automatic conversion
No advertising


Other Speed-Wiz car math apps include Engine Pro, Chassis Pro, Brake Pro, Performance Pro, Suspension Pro, Turbo Pro, Four-Link Pro and more!