Use this workshop calculation to turn measured dimensions and the selected construction convention into a cut, spacing, fit, or material-planning value.

Exposed edge lengths (m)

Required list input.

Trim allowance (%)

Required number input.

Sum exposed panel edges and add an explicit allowance for trimming and waste. The tool evaluates the supplied inputs together and returns the named outputs below; it does not infer omitted operating conditions or change the units shown.^[1]

Banding material length (m)

The resulting banding material length returned as a number.

• Nominal dimensions, kerf, moisture movement, hardware clearances, wall squareness, and manufacturer instructions can change the required shop dimension. Measure the actual assembly and test critical joints on scrap before cutting finished material.
• Use finite inputs in the displayed units and preserve more precision than the final presentation requires. Independently verify safety-critical, financial, compliance, or production decisions.

Complement the calculated dimension with a physical story stick, dry fit, or full-size layout. Follow the hardware, coating, adhesive, or machine manufacturer's limits where they differ from a rule of thumb.

• Edge Banding Trim Allowance Calculator

  Compute the finished edge banding length after trimming both ends from the rough length and per-end trim allowance.

• Kantenanleimer Bedarf

  Total edge-banding length from count of identical panels and number and length of edges banded on each panel.

• Crown Molding Length

  Total measured crown-molding runs and add a project-specific cut-and-waste allowance.