Spindle RPM
Calculate required spindle RPM
Input Parameters
Valid
Spindle RPM
0.00 RPM
Formula
N (RPM) = (v × 1000) / (π × D)
Fill in the values on the left and click Calculate to see your result.
Formula
N (RPM) = (v × 1000) / (π × D)
Calculate required spindle speed for desired cutting speed.
Assumptions
- Constant cutting speed
- Standard tool geometry
Step 1: Apply formula
N = (100×1000)/(π×10) = 3183 RPM
Frequently Asked Questions
How to choose cutting speed?
Based on material type and tool material (HSS, carbide, etc.)