Drill Point Length Calculator
Calculate conical drill-point length from drill diameter and included point angle.
A QUICK WALKTHROUGH
How to use this tool
- Enter the parameters and units listed below.
- Review the formula and scope limits.
- Calculate locally in this browser.
Formula and scope
Point length = (diameter/2) ÷ tan(included angle/2), with angle strictly between 0° and 180°. This is an arithmetic aid only; verify inputs and assumptions independently.
Privacy
Inputs are processed locally and are not uploaded or stored.
GOOD TO KNOW
Common questions
Does this select design or operating parameters?
No. It calculates only from values you provide and is not a safety or process recommendation.