The Gear and Engine Calculators app is a very useful utility to give an estimate of vehicle’s (car, truck, motorcycle) gear ratio. Calculators are included and additionally supplied are helpful converters.
Calculators
- Gear Ratio
- Gear Selector
- Air Filter Height
- Ring and Pinion Ratio
Converters
- Tire Size
- Flow Rate
- Pressure Units
- Airflow Converter
- Temperature Conversion

Area Converters

• Square Inches and Shorter Conversion
• Square Feet & Yards & Meters Conversion

Distance Converters

• Inches & Centimeters & Millimeters Conversion
• Feet & Yards & Meters Conversion
• Nautical Miles, Statue Miles and Kilometers Conversion

Volume Converters

• US/Imperial to Metric Units Conversion
• Metric to US/Imperial Units Conversion
• Inches & Centimeters Volume Conversion
• Feet, Yards, & Meters Volume Conversion

This app features:

• Send your calculations or conversion by email
• Universal App (iPhone, iPod Touch, and iPad)
• Retina Display graphics
• Fast app switching
• Automatically Saves Your Inputs

No network connectivity required.

The application is a universal app compatible with the iPhone, iPod Touch, and the iPad.