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Paint Equations

From the Resene paint and decorating problems solver

To use the online calculators, click on the calculator icons to input the numbers into the equations. For some items, there is a swap option to reverse the calculation - i.e. "Converting ft/s to m/s" becomes "Converting m/s to ft/s" if you click on the swap button. Results are rounded.


WFT Wet Film Thickness (µm)
VS% Volume Solids (%)
VSthin VS after Thinning (%)
Volinitial Initial volume of paint (L)
Volfinal 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 (%)

Paint Equations

WFT = DFT  x 100
DFT = 10 x VS%
VSthin = Volinitial x VS%
LOSS = COV x Loss%

Paint Equations

COV = 10 x VS%

Temperature Conversion

C° to F° = 9/5 x C° + 32
F° to C° = 5/9 x (F° - 32)
1000 µm = 1 mm


1 US Gallon = 3.79L
1 UK Gallon = 4.54L
Yards to M = x 0.9144
Feet to M = x 0.3048
Inches to mm x 25.4


in/min - cm/s x 0.0423
ft/s - m/s x 0.3048


psi - kPa x 6.8948
psi - MPa x 0.00689
psi - bar x 0.0689

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