Calculator
Miter & Bevel Calculator
Work out the exact saw settings for any corner angle or polygon, including compound mitres.
Result
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Reference table
Shape · Joint angle · Mitre setting
| Shape | Joint angle | Mitre setting |
|---|---|---|
| 3 (triangle) | 60.00° | 30.00° |
| 4 (frame) | 90.00° | 45.00° |
| 5 (pentagon) | 108.00° | 54.00° |
| 6 (hexagon) | 120.00° | 60.00° |
| 8 (octagon) | 135.00° | 67.50° |
| 12 | 150.00° | 75.00° |
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Utilities on this site
- Cut optimizer — plan every part across your sheet goods.
- Board foot calculator — board feet, weight and cost.
- Finish estimator — volume, coats and drying time.
- Wood database — hardness, density and price by species.
- Workshop bench — sand, plane and stain a simulated board.
All calculators are general guidance. Always verify against your own measurements, your tool manual and the material datasheet before cutting.