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GARDCO Viscosity Calculator App

GARDCO Viscosity Calculator App, previously known as Insta-Visc app, is a viscosity and drain time calculator. It is easy to use, has fast calculations, and there are 52 viscosity cups to choose from.

Just download our FREE mobile app to quickly and easily calculate the kinematic viscosity or drain time of your GARDCO and BYK viscosity cups or you can click the link below to use the desktop version.

For the Desktop Version - CLICK HERE.

Simply input either a drain time or viscosity into one of the given input fields and then select the type of viscosity cup you are working with to calculate the viscosity or drain time of your sample.

If the selected cup is highlighted in green that means you are within the cup's viscosity range, and the number is valid. If you are outside of the cups range an error message will appear, meaning you are outside the tolerance range of that given cup. If this appears please use a different cup that would be in range for what you would like to test.

You can see what cups are in range for your desired value by inputting the value you want to test and scrolling through the list, any cup in green will be able to provide a valid measurement for the desired input.

Below is a list of all of the cup types featured on the GARDCO Viscosity Calculator App. Visit our Viscosity Page to purchase one of these cups. 

  • EZ #1
  • EZ #2
  • EZ #3
  • EZ #4
  • EZ #5
  • S90 #1
  • S90 #2
  • S90 #3
  • S90 #4
  • S90 #5
  • BYK Zahn Cup #1
  • BYK Zahn Cup #2
  • BYK Zahn Cup #3
  • BYK Zahn Cup #4
  • BYK Zahn Cup #5
  • Mini Ford Dip #0
  • Mini Ford Dip #1
  • Mini Ford Dip #2
  • Mini Ford Dip #3
  • Mini Ford Dip #4
  • Mini Ford Dip #5
  • Ford Dip #3
  • Ford Dip #4
  • Ford Dip #5
  • Fisher Dip Cup #1
  • Fisher Dip Cup #2


  • Fisher Dip Cup #3
  • Fisher Dip Cup #4
  • ISO Dip 3mm
  • ISO Dip 4mm
  • ISO Dip 5mm
  • DIN Dip 4mm
  • Ford Cup #0
  • Ford Cup #1
  • Ford Cup #2
  • Ford Cup #3
  • Ford Cup #4
  • Ford Cup #5
  • ISO Cup 3mm
  • ISO Cup 4mm
  • ISO Cup 5mm
  • ISO Cup 6mm
  • ISO Cup 8mm
  • DIN Cup 4mm
  • Fisher Cup #1
  • Fisher Cup #2
  • Fisher Cup #3
  • Fisher Cup #4
  • Parlin Cup #1
  • Parlin Cup #2
  • Parlin Cup #3
  • Parlin Cup #4


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