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Cabinet Hinge Overlay and Cup Bore Calculator

Calculate a hinge cup boring distance and centerline from selected hinge and mounting-plate dimensions.

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

Inputs

Door and hinge dimensions

Range: at least 0.1 mm

Range: at least 0 mm

Range: at least 0 mm

Enter the X value from the selected hinge manufacturer's diagram.

Range: at least 0 mm

Enter the H value for the mounting plate used with this hinge.

Range: at least 0.1 mm

Verify diameter against the selected hinge. 35 mm is common for the cited Blum system.

Range: at least 0.1 mm

Use the depth specified for the selected hinge.

Range: at least 0 mm

Enter the allowed minimum for the exact hinge model.

Range: at least 0 mm

Enter the allowed maximum for the exact hinge model and door thickness.

Result

Required boring distance B
3.00 mm
Cup-hole centerline from door edge
20.50 mm
Boring distance is within entered manufacturer limits
Cup bore is shallower than door thickness

Formula

Required boring distance B
—
Cup-hole centerline from door edge
—

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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.