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. If this appears please use a different cup that would be in range for what you would like to test. ![]() 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 the selected cup is highlighted in green that means you are within the cups viscosity range and the number is valid. 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. 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. It is easy to use, has fast calculations, and there are 52 viscosity cups to choose from. A poise (P), named after Jean Léonard Marie Poiseuille, who also derived the Poiseuille's law equation, has a value equivalent to 0.1 pascals-second (Pa⋅s).The Insta Visc App is a viscosity and drain time calculator. Now that we know the difference between the two types of viscosities, let's go back to the measurement units. The dynamic viscosity calculator provides the density and the viscosity of water at 20 c as follow: Dynamic viscosity 1.0016 mPa.s. The dynamic viscosity equals the product of the sum of Sutherlands constant and the reference temperature divided by the sum of Sutherlands constant and the temperature, the reference viscosity and the ratio to the 3/2 power of. However, the most common unit of viscosity is the dyne-second per square centimeter (dyne s/cm 2) where 1 dyne 10-5 N. Sutherlands formula can be used to derive the dynamic viscosity of an ideal gas as a function of the temperature. The viscosity of a fluid is its resistance to flow and is highly influenced by temperature. By determining the viscosity of fuels in terms of kinematic viscosity, we get to model the speed fuel droplets that will be sprayed out of an injection nozzle due to applied pressure. Using the SI units of viscosity, shear stress was in N/m 2 and shear rate was in (m/s)/m 1/s, so dynamic viscosity has units of Ns/m 2 (newton-seconds per meter squared) or Pa s (pascal-seconds). One particular use of kinematic viscosity is for fuels. ![]() On the other hand, we use kinematic viscosity to describe the speed of the fluid due to an applied force. Learn more about squeezing pressure on a container with fluids by checking out our manometer calculator. ![]() That way, it won't be either too hard to squeeze the paste out of the tube or too runny that a lot of paste comes out, even with a little squeezing pressure. When formulating the mixture of, let's say, a paste in a tube, we want the paste to have a specific dynamic viscosity. The dynamic viscosity tells us how much force is required for a fluid to move at a particular speed. Viscosity describes a fluid’s internal resistance to flow and may be thought of as a measure of fluid friction. ![]() It is commonly perceived as thickness, or resistance to flow. Viscosity is a measure of the resistance of a fluid to being deformed by either shear stress or extensional stress. Viscosity, which describes a fluid's consistency or "thickness," comes in these two types for some distinct reasons. Viscosity calculator Exactly on the milliliter. Poise is a unit of measurement used particularly for dynamic viscosity, while stokes is for kinematic viscosity. Poise and stokes are units of measure used to quantify viscosity.
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