How is wet film thickness calculated? | Use the Online Calculator

Accurate Wet Film Thickness (WFT) Online Calculator for Paint Coatings

Wet Film Thickness (WFT) of paint refers to the thickness of paint in its wet state after it has been applied to a surface. It is an important factor in determining the final appearance of the painted surface and the amount of material required for a given surface area.

A Wet Film Thickness calculator is a tool that helps to determine the wet film thickness of paint on a surface. This calculator is typically used by painters, paint manufacturers, and contractors to determine the optimal thickness of paint for a given surface and the amount of paint required for a given surface area.

The WFT calculator takes into account the density of the paint, the surface area to be covered, and the desired film thickness, and calculates the amount of paint needed to achieve the desired film thickness.

Index Definition
WFT Wet Film Thickness (µm)
VS% Volume Solids (%)
VSthin VS after Thinning (%)
Vol initial Initial volume of paint (L)
Vol final Final volume of paint (L)
DFT Dry Film Thickness (µm)
COV Coverage (m2/l)
µm Micrometres/Microns
M2/L Square Metre per L
LOSS Loss Factor (%)

Online Wet Film Thickness (WFT) Calculator

Wet Film Thickness (WFT) Paint Equation
  • Film thickness needs to be using some simple mathematical formulae:
  • Wet Film Thickness (WFT) Calculator for Paint Coatings

    To Calculate the Wet Film Thickness (WFT) from the Dry Film Thickness (DFT) and Volume Solids Percentage (VS%).


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