## How do you do gears in math?

The gear ratio is calculated by dividing the output speed by the input speed (i= Ws/ We) or by dividing the number of teeth of the driving gear by the number of teeth of the driven gear (i= Ze/ Zs).

## How are gear wheels calculated?

The gear ratio formula turns out to be fairly simple. You basically count the number of teeth on the driven wheel and divide that by the number of teeth on the driver wheel, which is the one attached to the motor.

How do you read a gear ratio chart?

The ratio is the number of teeth on the driven gear (ring) divided by the number of teeth on the drive gear (pinion). So, if the ring gear has 37 teeth and the pinion has 9 teeth, the ratio is 4.11:1. That also means that for every one turn of the ring gear, the pinion will turn 4.11 times.

How do you explain gear ratios?

A gear ratio is the ratio of the number of rotations of a driver gear to the number of rotations of a driven gear. A colon is often used to show a gear ratio: gear ratio = rotations of a driver gear : rotations of a driven gear. For every rotation of the 45-tooth gear, the 15-tooth gear must rotate 3 times.

### What is the formula to calculate gear ratio?

Gear ratio can be calculated by dividing the diameter of both gears or their number of teeth. If gear ratio > 1 then it’s speed reduction, if smaller then it’s for system to speed up, if equal one it’s just for transmitting power with same speed to transmit it just to another location depending on geometry of design.

### How do you determine gear ratio?

The ratio is determined by the number of teeth on each gear wheel. Calculate the speed ratio of two gears by dividing the angular velocity of the output gear (represented numerically by the number of teeth) by the angular velocity of the input gear (represented numerically by the number of teeth).

How to calculate gear ratios?

Find the rotational speed of your drive gear. Using the idea of gear ratios,it’s easy to figure out how quickly a driven gear is rotating based on the

• Plug your information into the formula S1 × T1 = S2 × T2.
• Solve.
• What exactly does a gear ratio mean?

Gear ratio is typically the ratio of input speed to the output speed i.e ratio of teeth on driven gear to that of the teeth on driving gear.For simple understanding it can be considered as the ratio of the diameters of the two gears meshing.