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Gears

Gear Drive Teeth & Speed Calculators

Overview:

Engine Gears Gear Drive Teeth & Speed Calculators are an essential tool in engineering and design. They are used to quickly and accurately determine the relationship between the physical size of gears (number of teeth) and the resulting change in rotational speed (Revolutions per minute (RPM)).

Calculator for Single Gear Drive Train Teeth & Speed

Instructions:

  1. Enter all but one value in available calculator fields.
  2. Choose how many decimal places you wish answer to round to, the default value is one.
  3. Press solve button to find remaining unknown value.
  4. To perform a new calculation or you wish to clear current values use the reset button to clear values and start again.
  5. The formulas used for each calculator can be viewed by expanding the 'Click to Show Formula' section below.
Two Gear System

If gear number of teeth (T1) is

gear number of teeth (T2) is

gear revolutions per minute (RPM) (S1) is

gear revolutions per minute (RPM) (S2) is

requirements not met -
please add all but one value in available fields.

Calculation History

Note: only shows calculations performed in current session - If you refresh the page all history will be removed.

Want to convert your values to different units?
CONVERT VARIOUS UNITS HERE

Click to Show Formula
image of used formula

Calculator for Double Gear Drive Train Teeth & Speed

Instructions:

  1. Enter all but one value in available calculator fields.
  2. Choose how many decimal places you wish answer to round to, the default value is one.
  3. Press solve button to find remaining unknown value.
  4. To perform a new calculation or you wish to clear current values use the reset button to clear values and start again.
  5. The formulas used for each calculator can be viewed by expanding the 'Click to Show Formula' section below.
Two Gear System

If gear number of teeth (T1) is

gear number of teeth (T2) is

gear number of teeth (T3) is

gear number of teeth (T4) is

gear revolutions per minute (RPM) (S1) is

gear revolutions per minute (RPM) (S4) is

requirements not met -
please add all but one value in available fields.

Calculation History

Note: only shows calculations performed in current session - If you refresh the page all history will be removed.

Want to convert your values to different units?
CONVERT VARIOUS UNITS HERE

Click to Show Formula
image of used formula