About Gear Ratio Calculator

This Gear Ratio Calculator helps in finding the ratio between driver and driven gears. It also calculates the output speed if the input RPM is known.

Formulas Used

• Gear Ratio = (Driven Teeth / Driver Teeth)
• Output RPM = (Input RPM × Driver Teeth) / Driven Teeth

Where is Gear Ratio Used?

Gear ratios are widely used in:

• ✅ Automotive gearboxes
• ✅ Industrial machines
• ✅ Robotics and automation
• ✅ Power transmission systems

FAQs

1. What does a gear ratio mean?

A gear ratio shows the relationship between the driver and driven gears, determining torque and speed transfer.

2. What if the gear ratio is more than 1?

If the gear ratio is greater than 1, it means the driven gear is larger, resulting in reduced speed but increased torque.

3. What if the gear ratio is less than 1?

If the ratio is less than 1, the driven gear is smaller, resulting in higher speed but lower torque.

4. Why is gear ratio important in mechanical engineering?

It helps in designing power transmission systems where speed and torque control are essential.