Construction Products, Windows, Doors & Fenestration worked example

Job Lot Cost at 110% share of cost included in this job lot: a worked example

This scenario runs the job lot cost calculation on the strong side: 110% share of cost included in this job lot, with every other input held at its documented default. building a quote cost basis for a project or dealer job lot

The inputs for this scenario

  • Job lot units or openings: 310 units (unchanged)
  • Burdened cost per unit or opening: 246 $ / unit (unchanged)
  • Share of cost included in this job lot: 110 % (raised for this scenario; the documented default is 100)
  • Fixed project management, freight, and jobsite setup cost: 9,800 $ (unchanged)

Working through the calculation

  • Applying the documented formula (Variable job lot cost = job lot units or openings × burdened job lot cost per unit × job lot cost scope included) to the inputs above produces each figure below.
  • At this operating point the engine returns 93,686 $ for total job lot cost, the number this scenario is built around.
  • At this operating point the engine returns 302 $ / piece for job lot cost per unit.
  • At this operating point the engine returns 83,886 $ for variable job lot cost.
  • At this operating point the engine returns 9,800 $ for fixed project management, freight, and setup cost.

How this compares with the baseline

  • Against the tool's baseline example, where share of cost included in this job lot sits at 100% and the headline result is 86,060 $, this scenario comes in 8.86% above the baseline at 93,686 $.
  • Use it when estimating a project bid, validating a quote, or analyzing actual cost against estimate after a job closes. 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

  • total job lot cost: 93,686 $ (headline result)
  • job lot cost per unit: 302 $ / piece
  • variable job lot cost: 83,886 $
  • fixed project management, freight, and setup cost: 9,800 $

Run it with your numbers

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

Last reviewed 2026-05-12.