Spur Gear Parameter Calculator
Please enter a valid module greater than 0
Tip: Integer modules are preferred for standard design, custom values are allowed
Please enter a valid number ≥ 17
Tip: Min 17 teeth to avoid undercut for standard tooth system (ha*=1)
Tip: 20° is universal standard, 14.5° for some old equipment
Calculation Results
- Reference Diameter d： — mm
- Addendum Circle da： — mm
- Dedendum Circle df： — mm
- Circular Pitch p： — mm
- Tooth Thickness s： — mm
- Base Circle Diameter db： — mm
- Addendum ha： — mm
- Dedendum hf： — mm
- Whole Depth h： — mm