Process Manufacturing worked example

Steam Cost with steam use rate of 2.25 klb / hr: a worked example

Here is what the math looks like when conditions slip. We hold every other input steady and drop steam use rate to 2.25 klb / hr, then walk the calculation through step by step. Estimate steam cost from steam use rate, runtime, and cost per thousand pounds.

The inputs for this scenario

  • Steam use rate (klb/hr): 2.25 klb / hr (the input this scenario stresses; the baseline uses 4.5)
  • Process runtime at that rate: 3 hr (held at the documented default)
  • Loaded steam cost per 1,000 lb: 14 $ / klb (held at the documented default)

Working through the calculation

  • The calculation starts from the formula this tool documents: Steam consumption = steam use rate × runtime.
  • Run cost works out to 94.5 $ at these inputs, and this is the headline figure for the scenario.
  • steam consumed works out to 6.75 klb at these inputs.
  • steam runtime works out to 3 hr at these inputs.
  • steam cost per thousand pounds works out to 14 $ / klb at these inputs.

How this compares with the baseline

  • Against the tool's baseline example, where steam use rate sits at 4.5 klb / hr and the headline result is 189 $, this scenario comes in 50% below the baseline at 94.5 $.
  • The practical read: the gap between this scenario and the baseline is entirely attributable to steam use rate, so recovering it is worth quantifying in dollars before considering equipment or staffing changes. It assumes a steady steam rate; real processes ramp and cycle, so for variable loads break the run into segments or use a metered average.

Results at a glance

  • Run cost: 94.5 $ (headline result)
  • steam consumed: 6.75 klb
  • steam runtime: 3 hr
  • steam cost per thousand pounds: 14 $ / klb

Run it with your numbers

  • To rerun this with your own numbers, open the live Steam Cost calculator, set steam use rate to your actual value, and adjust the remaining inputs to match your operation.

Last reviewed 2026-05-12.