Gaskets, Seals, O-Rings & Elastomer Components worked example

Tool Amortization with tooling investment of 45,000 $: a worked example in gaskets, seals, o-rings & elastomer components

What does the result look like when tooling investment reaches 45,000 $? The full calculation is worked below with real intermediate numbers. Use it when quoting new molds, cavities, die-cut tools, extrusion dies, trim fixtures, inspection gauges, or customer-specific elastomer tooling and deciding how much tool cost belongs in each part.

The inputs for this scenario

  • Tooling investment (mold/die cost): 45,000 $ (raised for this scenario; the documented default is 18,000)
  • Expected production volume over tool life: 250,000 parts (unchanged)
  • Amortization multiplier: 1 x (unchanged)

Working through the calculation

  • Applying the documented formula (Tool amortization per unit = tooling investment ÷ expected production volume × amortization multiplier) to the inputs above produces each figure below.
  • At this operating point the engine returns 0.18 $ / unit for tool amortization per unit, the number this scenario is built around.
  • At this operating point the engine returns 0.18 value for base tool cost per unit.
  • At this operating point the engine returns 1 x for amortization multiplier.
  • At this operating point the engine returns 250,000 value for expected production volume.

How this compares with the baseline

  • Against the tool's baseline example, where tooling investment sits at 18,000 $ and the headline result is 0.07 $ / unit, this scenario comes in 150% above the baseline at 0.18 $ / unit.
  • A figure at this level is achievable when tooling investment is genuinely sustained, not just peaked for a shift. It assumes you actually run the full expected volume; if the program ends early or annual releases fall short, the unrecovered tool cost becomes a loss the per-unit figure never warned you about.

Results at a glance

  • Tool amortization per unit: 0.18 $ / unit (headline result)
  • Base tool cost per unit: 0.18 value
  • Amortization multiplier: 1 x
  • Expected production volume: 250,000 value

Run it with your numbers

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

Last reviewed 2026-05-12.