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Mortise and Tenon Dimension Calculator

Calculate a user-specified tenon and matching blind mortise dimensions from stock and clearance inputs.

Prefilled values are examples. Replace them with measurements and current costs for your project.

Inputs

Stock and selected tenon

Range: at least 0.01 in

Range: at least 0.01 in

Range: at least 0.01 in

Range: at least 0.01 in

Range: at least 0 in

Receiving mortise and clearances

Range: at least 0.01 in

Range: at least 0 in

Range: at least 0 in

Result

Blind mortise depth including bottom clearance
0.7800 in
Mortise width including side clearance
0.2600 in
Tenon width between side shoulders
2.7500 in
Tenon dimensions fit within the entered stock cross-section.
Blind mortise depth fits within the entered receiving stock thickness.

Formula

Tenon width between side shoulders
—
Mortise width including side clearance
—
Blind mortise depth including bottom clearance
—

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Results are planning aids based on the inputs and assumptions shown. Verify dimensions, stock sizes, hardware clearances, kerf, and current prices against your project before cutting or quoting.