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
Dado Blade Width Calculator
Compute the per-pass blade width to set on your saw when cutting a dado that requires multiple passes to reach the target groove width. Useful when your dado stack does not match the target width exactly, or when using a standard blade to make a dado in several passes.
Fill in the required fields to see your result.
Key differences
| Mortise and Tenon Calculator | Dado Blade Width Calculator | |
|---|---|---|
| Category | Woodworking | Woodworking |
| Inputs required | 2 | 2 |
| Result | Tenon Thickness (inches) | Dado Blade Width (inches) |
| 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. | Compute the per-pass blade width to set on your saw when cutting a dado that requires multiple passes to reach the target groove width. Useful when your dado stack does not match the target width exactly, or when using a standard blade to make a dado in several passes. |