Gear Inches Calculator

Gear Inches 0.0
Gear Ratio 0.00:1

Use this as a starting point. Your optimal gearing depends on your fitness and riding style.

Bicycle gear inches is a traditional way to measure bicycle gearing that helps you understand how hard or easy it is to pedal in different gears.

This calculator helps you determine your gear inches and gear ratios based on your chainring size, cog size, and wheel dimensions. Understanding these values can help you optimize your bike's gearing for different riding conditions and terrain.