Sprocket Ratio Calculator

To calculate sprocket ratio, divide the number of teeth on the driving sprocket ($T_1$) by the number of teeth on the driven sprocket ($T_2$).

Sprocket Ratio Calculator

Teeth in Driving Sprocket Teeth in Driven Sprocket Sprocket Ratio

Calculate Reset

The Sprocket Ratio Calculator is here to serve you in finding the gear ratio for systems using sprockets, such as motorcycles, bicycles, or machinery. This ratio influences speed, torque, and overall performance.

A higher sprocket ratio increases speed but reduces torque, while a lower ratio provides more torque but decreases speed. By inputting the teeth count of the drive and driven sprockets, this tool provides an accurate and efficient way to calculate the sprocket ratio, aiding in gear optimization for desired performance.

Formula

SR = $T_1 / T_2$

Variable	Description
SR	Sprocket Ratio
$T_1$	Number of teeth on the driving sprocket
$T_2$	Number of teeth on the driven sprocket

Solved Calculations

Example 1:
Calculate the sprocket ratio for a system with a 14-tooth driving sprocket and a 52-tooth driven sprocket.

Step	Calculation	Result
Teeth on Driving Sprocket ($T_1$)	14
Teeth on Driven Sprocket ($T_2$)	52
Apply Formula	$14 / 52$	0.27

 

Example 2:
What is the sprocket ratio for a 20-tooth driving sprocket and a 40-tooth driven sprocket?

Step	Calculation	Result
Teeth on Driving Sprocket ($T_1$)	20
Teeth on Driven Sprocket ($T_2$)	40
Apply Formula	$20 / 40$	0.5

What is the Sprocket Ratio Calculator?

The Sprocket Ratio Calculator is a useful tool. You can use it for calculating the gear ratio between the drive and driven sprockets in systems like motorcycles, bicycles, or go-karts.

By inputting the number of teeth on both sprockets, it determines the sprocket ratio, which affects torque, speed, and overall performance. This calculator is essential for tuning vehicles or optimizing machinery for specific purposes.

Coupled with that, it answers the questions like “How do you calculate sprocket ratio?” or “What size sprocket is best for speed?” By factoring in sprocket teeth count and rotational speeds (RPM), users can adjust their setups for higher speeds, better acceleration, or balanced performance.

Moreover, it also supports applications for multiple sprockets and diverse systems, including motorcycles, mountain bikes, and go-karts.

Final Words:

Last but not least, the Sprocket Ratio Calculator is an invaluable tool for optimizing gear systems. It simplifies sprocket selection and performance tuning, making it essential for riders, mechanics, and enthusiasts aiming to achieve peak efficiency and control.