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Picture Frame Cut Length Calculator

Calculate the long-point cut lengths for four 45-degree picture-frame pieces around a measured inside opening.

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

Inputs

Opening and molding

Range: at least 0 in

Range: at least 0 in

Range: at least 0 in

Use the face width measured across the frame molding.

Result

Top and bottom piece long point (each)
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Combined length of four pieces
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Left and right piece long point (each)
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Formula

Top and bottom piece long point (each)
—
Left and right piece long point (each)
—
Combined length of four pieces
—

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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.