Signage, Displays & Architectural Graphics worked example

Channel Letter Labor at 58% billable time capture factor: a worked example

Here is what the math looks like when conditions slip. We hold every other input steady and drop billable time capture factor to 58%, then walk the calculation through step by step. Channel Letter Labor prices the fabrication labor for a set of illuminated channel letters, from trim-cap and return forming to LED wiring and mounting-pattern work.

The inputs for this scenario

  • Channel letters in the set: 100 units (held at the documented default)
  • Labor cost per letter: 45 $ / unit (held at the documented default)
  • Billable time capture factor: 58 % (the input this scenario stresses; the baseline uses 80)
  • Set fixed cost (patterns, returns): 250 $ (held at the documented default)

Working through the calculation

  • The calculation starts from the formula this tool documents: Channel Letter Labor cost = quantity × rate × capture factor + fixed cost.
  • Weighted cost works out to 2,860 $ at these inputs, and this is the headline figure for the scenario.
  • Per piece value works out to 28.6 $ / piece at these inputs.
  • Captured value works out to 2,610 $ at these inputs.
  • Fixed adjustment works out to 250 $ at these inputs.

How this compares with the baseline

  • Against the tool's baseline example, where billable time capture factor sits at 80% and the headline result is 3,850 $, this scenario comes in 25.71% below the baseline at 2,860 $.
  • The practical read: the gap between this scenario and the baseline is entirely attributable to billable time capture factor, so recovering it is worth quantifying in dollars before considering equipment or staffing changes. It treats every letter as equally labored; a wide 'W' and a thin 'I' actually differ, so blend your per-letter rate or split large sets.

Results at a glance

  • Weighted cost: 2,860 $ (headline result)
  • Per piece value: 28.6 $ / piece
  • Captured value: 2,610 $
  • Fixed adjustment: 250 $

Run it with your numbers

  • To rerun this with your own numbers, open the live Channel Letter Labor calculator, set billable time capture factor to your actual value, and adjust the remaining inputs to match your operation.

Last reviewed 2026-05-12.