Compare calculators
Both calculators run independently β change the inputs on either side to compare results.
Woodworking
Mortise and Tenon Calculator
Calculates tenon thickness as two-thirds of the rail thickness, rounded to the nearest 1/16 inch β the classic rule for strong mortise-and-tenon joints. Use it when laying out frame-and-panel furniture or door construction.
Fill in the required fields to see your result.
Woodworking
Board Feet Lumber Calculator
Calculates total board feet of lumber needed for a project, including a waste factor for cuts and defects. Use it when estimating material quantities and costs at the lumber yard.
Fill in the required fields to see your result.
Key differences
| Mortise and Tenon Calculator | Board Feet Lumber Calculator | |
|---|---|---|
| Category | Woodworking | Woodworking |
| Inputs required | 2 | 5 |
| Result | Tenon Thickness (inches) | Total Board Feet (bf) |
| What it does | Calculates tenon thickness as two-thirds of the rail thickness, rounded to the nearest 1/16 inch β the classic rule for strong mortise-and-tenon joints. Use it when laying out frame-and-panel furniture or door construction. | Calculates total board feet of lumber needed for a project, including a waste factor for cuts and defects. Use it when estimating material quantities and costs at the lumber yard. |