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Picture Hanging Calculator — Hook Position & Wire Length

Calculate hook positions, wire length, and wall anchor type based on frame weight and dimensions.

How We Calculate This

How Picture Hanging Calculation Works

Hook height = Frame top position - Wire drop

The calculator places the frame centre at eye level (default 1500 mm), then calculates the hook position accounting for wire sag or D-ring offset. Wire length is computed using the D-ring spacing, drop distance and extra length for tying knots.

Frequently Asked Questions

Last updated: March 2026

All calculations are estimates. Always verify quantities before purchasing materials.