Gears
Gear Circular Pitch Calculator
Enter gear module to calculate circular pitch measured along the reference circle from one tooth position to the next.
Inputs
Formula
Circular pitch from module
Worked example
Using the default values shown in the calculator, the same formula gives the following result. This is a quick sanity check for the calculation, not a design recommendation.
Inputs
- Module
- 2 mm
Result
- Circular pitch
- 6.2832 mm
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Technical references for this calculation
Frequently asked questions
How is circular pitch related to module?
For metric gearing, circular pitch equals pi multiplied by module.
Is circular pitch measured along a straight line?
It is defined along the reference circumference between corresponding points of adjacent teeth.