Gear Ratio Calculator

Easily calculate the gear ratio of a mechanical system by entering the number of input and output gear teeth.

Required Information

Number of Input Gear Teeth:

Number of Output Gear Teeth:

Gear Ratio:

What it is

What is Gear Ratio?

Create Date: October 15, 2024

Last Modified Date: December 10, 2024

Gear ratio defines the relationship between the rotations of two gears. A ratio like 3:1 means the input gear rotates three times for every single rotation of the output gear. This concept is widely used in systems like bikes, vehicles, and machinery.

Gear Ratio - Frequently Asked Questions

A higher gear ratio provides faster acceleration, while a lower gear ratio supports higher top speeds. It depends on your specific requirements.

Gear ratios are used in any system with interlocking gears, including bicycles, vehicles, fishing reels, and industrial machinery.

A lower gear ratio is generally better for gas mileage, as it reduces engine strain at higher speeds.

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