# Stokes Law Equations Formulas Calculator

Fluid Mechanics Hydraulics

Solving for particle diameter.

## Inputs:

viscosity of medium (μ)
fall, settling or terminal velocity (Vt)
acceleration of gravity (g)
density of particle (ρp)
density of medium (ρm)

## Conversions:

viscosity of medium (μ)
= 0
= 0
gram/meter-second
fall, settling or terminal velocity (Vt)
= 0
= 0
meter/second
acceleration of gravity (g)
= 0
= 0
meter/second^2
density of particle (ρp)
= 0
= 0
gram/meter^3
density of medium (ρm)
= 0
= 0
gram/meter^3

## Solution:

particle diameter (d)
= NOT CALCULATED

## Other Units:

Change Equation
Select to solve for a different unknown
 terminal, fall or settling velocity acceleration of gravity particle diameter density of medium (e.g. water, air, oil) particle density viscosity of medium

References - Books:
1) P. Aarne Vesilind, J. Jeffrey Peirce and Ruth F. Weiner. 1994. Environmental Engineering. Butterworth Heinemann. 3rd ed.

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