Mortise Tenon Thickness Rule
Calculator

Inputs

Tenon thickness (mm)
6.3327

Results

Tenon thickness (mm)
6.3327
Shoulder thickness (mm)
6.33365
Mortise width (mm)
6.3327

Results

Tenon thickness (mm)6.3327
Shoulder thickness (mm)6.33365
Mortise width (mm)6.3327

formula-map diagram

Tenon thickness (mm)
6.3327
Shoulder thickness (mm)
6.33365
Mortise width (mm)
6.3327

Formula map

Formula

Tenon thickness = stock thickness × 1/3 (standard rule)

= 6.3327

Note

This result is a simplified model; verify against your shop's own tolerances and material data before cutting.

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