Industrial Packaging Materials Manufacturing calculator

Film Extrusion Yield Calculator

Check how much extruded film footage passed your acceptance criteria. Enter matched run footage and your yield target.

What this calculator does

  • Measure good film footage yield and the shortfall against your entered production target.

Formula used

  • Yield = good footage ÷ total footage × 100
  • Target gap = target yield − actual yield
  • Outside good output = total footage − good footage
  • Target good footage = total footage × target yield ÷ 100
  • Shortfall = max(0, target good footage − good footage)

Inputs explained

  • Good Film Footage: Accepted footage from the extrusion run disposition record.
  • Total Extruded Footage: Total metered footage for the same extrusion run.
  • Target Yield: Your approved good-footage target for this film product.

How to use the result

  • Best suited to extrusion run Closeout, Good-Footage target review.
  • Footage yield does not quantify edge trim, resin purge, or mass yield. Input ceilings are computational bounds, not operating limits.

Current U.S. benchmarks

  • The producer price index for plastic resins and materials stands at 280.569 (BLS, Aug 2026), up 6.6% from a year earlier. Quotes priced off last quarter's material cost miss this move.
  • The producer price index for paper (not a paperboard or container index) stands at 282.266 (BLS, Aug 2026), up 10% from a year earlier. Quotes priced off last quarter's material cost miss this move.

Common questions

  • Does this measure resin yield? No. It measures linear footage yield. Use a mass balance for resin consumption, purge, and edge trim.
  • Can I combine rolls with different widths? No. Equal lengths at different widths contain different film areas. Reconcile them to a common basis before comparing yields.
  • Does changing the target change measured yield? No. The target changes the required good footage and shortfall; the recorded good and total footage determine measured yield.
  • Should reworked film count as good footage? Use one documented acceptance rule. For first-pass yield, exclude footage that needed rework and track it separately.

Last reviewed 2026-10-01.