Musical Instruments & Acoustic Products worked example

Tonewood Blank Yield at 99% target tonewood yield: a worked example

This scenario runs the tonewood blank yield calculation on the strong side: 99% target tonewood yield, with every other input held at its documented default. Use it when a fresh lot of spruce, maple, mahogany, or rosewood billets has been graded and you need a clean yield number plus gap to target for the daily production huddle.

The inputs for this scenario

  • Usable tonewood blanks: 8 blanks (unchanged)
  • Total tonewood blanks graded: 250 blanks (unchanged)
  • Target tonewood yield: 99 % (raised for this scenario; the documented default is 95)

Working through the calculation

  • Applying the documented formula (Tonewood yield = usable tonewood blanks ÷ total tonewood blanks graded × 100) to the inputs above produces each figure below.
  • At this operating point the engine returns 3.2 % for tonewood yield, the number this scenario is built around.
  • At this operating point the engine returns 95.8 points for yield gap to target.
  • At this operating point the engine returns 8 count for usable tonewood blanks.
  • At this operating point the engine returns 250 count for total tonewood blanks graded.

How this compares with the baseline

  • Against the tool's baseline example, where target tonewood yield sits at 95% and the headline result is 3.2 %, this scenario lands almost exactly on the baseline at 3.2 %.
  • Use it after grading each billet, kiln load, or incoming supplier lot to decide whether the run is sellable at quoted prices or needs to be reclassified. Treat this as a target state: the delta against the baseline quantifies what the improvement is worth before you commit to chasing it.

Results at a glance

  • Tonewood yield: 3.2 % (headline result)
  • Yield gap to target: 95.8 points
  • Usable tonewood blanks: 8 count
  • Total tonewood blanks graded: 250 count

Run it with your numbers

  • Every input above is editable in the live Tonewood Blank Yield calculator, which recalculates instantly and can be shared with the inputs intact.

Last reviewed 2026-05-12.