// multi-utility computation suite · offline · instant · precise
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build.dovetail-angle-calc Calculator
Calculates the correct dovetail ratio and angle for hardwood or softwood joinery based on the traditional 1:8 (hardwood) and 1:6 (softwood) rules. The dovetail ratio balances mechanical interlocking strength against glue-joint shear area.
Inputs
Wood Type
Reference formula or conversion factor shown for context.
Pin Width Mm
Horizontal extent perpendicular to the length.
Tail Width Mm
Horizontal extent perpendicular to the length.
Board Thickness Mm
Perpendicular measurement through the material. For insulation: thicker is better. For beams: directly affects bending resistance.
Results
dovetail angle (°)
The computed angle in degrees or radians.
ratio
The proportional relationship between two quantities.
offset at
The value at the specified point or condition.
pin width
The computed width.
tail width
The computed width.
standard ratios
The proportional relationship between two quantities.