Finishing worked example

Dry Film Thickness with wet film reading of 50 mils: a worked example

This worked example runs the dry film thickness numbers for a tougher week than the baseline: wet film reading of 50 mils instead of the typical 100 mils. Estimate dry film thickness from measured wet film and solids correction.

The inputs for this scenario

  • Wet film reading: 50 mils (the input this scenario stresses; the baseline uses 100)
  • Volume solids factor: 1.08 x (held at the documented default)
  • Dry film target: 110 mils (held at the documented default)

Working through the calculation

  • The calculation starts from the formula this tool documents: Adjusted value = measured value × correction factor.
  • Adjusted value works out to 54 mils at these inputs, and this is the headline figure for the scenario.
  • Gap to target works out to -56 value at these inputs.
  • Measured value works out to 50 value at these inputs.
  • Correction factor works out to 1.08 x at these inputs.

How this compares with the baseline

  • Against the tool's baseline example, where wet film reading sits at 100 mils and the headline result is 108 mils, this scenario comes in 50% below the baseline at 54 mils.
  • Use it during application to dial in wet film gauge readings so the cured film lands inside spec, or afterward to explain why a DFT reading came in high or low. A result at this level usually justifies acting on the stressed input before touching anything else, because every other figure in the table is downstream of it.

Results at a glance

  • Adjusted value: 54 mils (headline result)
  • Gap to target: -56 value
  • Measured value: 50 value
  • Correction factor: 1.08 x

Run it with your numbers

  • To rerun this with your own numbers, open the live Dry Film Thickness calculator, set wet film reading to your actual value, and adjust the remaining inputs to match your operation.

Last reviewed 2026-05-12.