Lighting, LEDs & Electrical Fixtures worked example

LED Board Assembly Cost at 110% full assembly share: a worked example

Push full assembly share up to 110% and the picture changes. This example computes every intermediate figure at that operating point. Use this when quoting a production run of LED boards, comparing in-house vs. contract assembly cost, building a fixture BOM, or reviewing where LED board cost sits within total fixture cost.

The inputs for this scenario

  • LED boards in batch: 500 boards (unchanged)
  • Assembly cost per board: 18 $ / board (unchanged)
  • Full assembly share: 110 % (raised for this scenario; the documented default is 100)
  • Fixed batch setup cost: 280 $ (unchanged)

Working through the calculation

  • Applying the documented formula (Variable assembly cost = boards in batch x assembly cost per board x full assembly share%) to the inputs above produces each figure below.
  • At this operating point the engine returns 10,180 $ for total led board assembly cost, the number this scenario is built around.
  • At this operating point the engine returns 20.36 $ / piece for assembly cost per board.
  • At this operating point the engine returns 9,900 $ for variable assembly cost.
  • At this operating point the engine returns 280 $ for fixed batch setup cost.

How this compares with the baseline

  • Against the tool's baseline example, where full assembly share sits at 100% and the headline result is 9,280 $, this scenario comes in 9.7% above the baseline at 10,180 $.
  • It computes the total dollar cost of assembling a batch of LED boards, combining variable per-board cost across the completed share with a fixed batch setup charge. The value of this scenario is the size of the gap it exposes: that gap, priced out over a year, is the budget you can justify spending to close it.

Results at a glance

  • Total LED board assembly cost: 10,180 $ (headline result)
  • Assembly cost per board: 20.36 $ / piece
  • Variable assembly cost: 9,900 $
  • Fixed batch setup cost: 280 $

Run it with your numbers

  • Every input above is editable in the live LED Board Assembly Cost calculator, which recalculates instantly and can be shared with the inputs intact.

Last reviewed 2026-05-12.