Timber Glue-Up Width calculator.
Account for preparation on every board before trimming a specified assembled panel.
Your inputs
Use measurements from your plan and properties from your chosen product. Any prefilled values are illustrative.
A clear estimate starts here.
Enter your dimensions and product details to see the quantity and purchase breakdown.
Formula and assumptions
How this calculation works.
Per-board edge removal and final outside panel trim are separate losses. Thickness is supplied as the intended finished dimension, not a machining recommendation.
A worked example
Illustrative inputs only. Product properties and design dimensions are not recommendations for your project.
- Specified finished panel width
- 1 m
- Board width before supplied edge preparation
- 0.21 m
- Total width removed per board
- 0.01 m
- Total outer panel width trimmed
- 0.02 m
- Panel length
- 2 m
- Specified finished thickness
- 20 mm
Whole source boards across panel: 6
All boards have the entered usable width. Joinery, adhesives, grain movement and structural suitability are outside the model.
Before you purchase
Use dimensions from your plan and properties from your chosen product. Any design spacing, section or fixing pattern must already be specified.
Per-board edge removal and final outside panel trim are separate losses. Thickness is supplied as the intended finished dimension, not a machining recommendation.
Dimensions, quantities, prices, timing and product properties are supplied by you. This tool does not select construction specifications or assess structural, electrical or hydraulic suitability.
Method: dimensional arithmetic and user-supplied specifications. Software checks: 2026-10-04. Calculation and review policy.