Angle Cut Calculator
Miter and bevel saw angle for joining a given number of sides, or two boards meeting at an angle.
Compare Your Options And Get Clear Answers
Miter and bevel saw angle for joining a given number of sides, or two boards meeting at an angle.
Angle Cut Estimator
Enter your numbers below for an instant estimate.
How It Works
Key concepts behind this calculator
Enter Values
Fill in each field with your own numbers.
Calculate
Results update as you change the inputs.
Review
Read the breakdown and the explanation.
Adjust
Change values to compare scenarios.
Angle Quick Guide
Typical values for reference.
| Sides | Inside angle | Cut from edge | Note |
|---|---|---|---|
| 3 sides | 60 deg | 30 deg | Angle on each board |
| 4 sides | 90 deg | 45 deg | Angle on each board |
| 6 sides | 120 deg | 60 deg | Angle on each board |
| 8 sides | 135 deg | 67.5 deg | Angle on each board |
| Rule of Thumb | Check inputs | Use as a guide | Round sensibly |
Angle Cut Calculator FAQ
Answers to common questions about this calculator.
30 degrees on each board.
45 degrees for a 4-sided frame.
Miter angle = joint angle / 2; polygon inside angle = (n – 2) x 180 / n.
It is an estimate based on the inputs you enter. Check real quotes, labels or official guidance for important decisions.