Stokes Law Calculators

➤ Calculate Terminal Velocity (Fall Velocity or Settling Velocity)
➤ Calculate Acceleration Of Gravity
➤ Calculate Diameter Of a Particle
➤ Calculate Density Of Medium
➤ Calculate Density Of Particle
➤ Calculate Viscosity Of Medium

Calculate Terminal Velocity (Fall Velocity or Settling Velocity)

`V=[g×D^2×(d_p-d_m)]/[18×V]`
V = Terminal Velocity ---- D = Diameter Of a Particle
g = Acceleration Of Gravity ---- v = Viscosity Of Medium
d_p = Density Of Particle ---- d_m = Density Of Medium

Enter your values:

Acceleration Of Gravity:

Diameter Of a Particle:

Density Of Particle:

Density Of Medium:

Viscosity Of Medium:

Result:

Terminal Velocity:

Meter/Second

Calculate Acceleration Of Gravity

`g=[18×v×V]/[D^2×(d_p-d_m)]`
g = Acceleration Of Gravity ---- V = Terminal Velocity
v = Viscosity Of Medium ---- D = Diameter Of a Particle
d_p = Density Of Particle ----d_m = Density Of Medium

Enter your values:

Terminal Velocity:

Diameter Of a Particle:

Density Of Particle:

Density Of Medium:

Viscosity Of Medium:

Result:

Acceleration Of Gravity:

Meter/Second²

Calculate Diameter Of a Particle

`D=√[18×v×V]/[g×(d_p-d_m)]`
D = Diameter Of a Particle ---- V = Terminal Velocity
v = Viscosity Of Medium ---- g = Acceleration Of Gravity
d_p = Density Of Particle ----d_m = Density Of Medium

Enter your values:

Viscosity Of Medium:

Terminal Velocity:

Acceleration Of Gravity:

Density Of Particle:

Density Of Medium:

Result:

Diameter Of a Particle:

Meter

Calculate Density Of Medium

`d_m=d_p-[18×v×V]/[g×D^2]`
d_m = Density Of Medium ---- d_p = Density Of Particle
V = Terminal Velocity ---- v = Viscosity Of Medium
D = Diameter Of a Particle ---- g = Acceleration Of Gravity

Enter your values:

Density Of Particle:

Viscosity Of Medium:

Terminal Velocity:

Acceleration Of Gravity:

Diameter Of a Particle:

Result:

Density Of Medium:

Gram/Meter³

Calculate Density Of Particle

`d_p=[18×v×V]/[g×D^2]+d_m`
d_p = Density Of Particle ---- d_m = Density Of Medium
V = Terminal Velocity ---- v = Viscosity Of Medium
D = Diameter Of a Particle ---- g = Acceleration Of Gravity

Enter your values:

Density Of Medium:

Viscosity Of Medium:

Terminal Velocity:

Acceleration Of Gravity:

Diameter Of a Particle:

Result:

Density Of Particle:

Gram/Meter³

Calculate Viscosity Of Medium

`V=[g×D^2×(d_p-d_m)]/[18×V]`
v = Viscosity Of Medium ---- d_p = Density Of Particle
d_m = Density Of Medium ---- D = Diameter Of a Particle
g = Acceleration Of Gravity ---- V = Terminal Velocity

Enter your values:

Acceleration Of Gravity:

Diameter Of a Particle:

Density Of Particle:

Density Of Medium:

Terminal Velocity:

Result:

Viscosity Of Medium:

Gram/Meter-Second

Stokes Law Calculators

Stokes law calculation: terminal velocity, acceleration of gravity, particle size, medium density, particle density, medium viscosity

Calculation of terminal velocity, acceleration of gravity, particle size, medium density, particle density, and medium viscosity.

Select the corresponding cell and enter the value, and click "Calculate". The results will be displayed.

Example of use
Known data: acceleration of gravity; particle size; particle density; medium density; medium viscosity, find the terminal velocity.

Input data: acceleration of gravity: 2 m/s²; particle size: 1 m; particle density: 2 g/m3; medium density: 0.5 g/m3; medium viscosity: 0.9 g/m-s, click "Calculate" ,Show results.

Output result: terminal velocity is 0.1851852 m/s.

Precautions
The units of acceleration of gravity, particle size, particle density, medium density, and medium viscosity can be checked. Click the arrow of the check box to select the corresponding unit.

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Stokes Law Calculators

Calculate Terminal Velocity (Fall Velocity or Settling Velocity)

`V=[g×D^2×(d_p-d_m)]/[18×V]`
V = Terminal Velocity ---- D = Diameter Of a Particle
g = Acceleration Of Gravity ---- v = Viscosity Of Medium
d_p = Density Of Particle ---- d_m = Density Of Medium

Enter your values:

Result:

Calculate Acceleration Of Gravity

`g=[18×v×V]/[D^2×(d_p-d_m)]`
g = Acceleration Of Gravity ---- V = Terminal Velocity
v = Viscosity Of Medium ---- D = Diameter Of a Particle
d_p = Density Of Particle ----d_m = Density Of Medium

Enter your values:

Result:

Calculate Diameter Of a Particle

`D=√[18×v×V]/[g×(d_p-d_m)]`
D = Diameter Of a Particle ---- V = Terminal Velocity
v = Viscosity Of Medium ---- g = Acceleration Of Gravity
d_p = Density Of Particle ----d_m = Density Of Medium

Enter your values:

Result:

Calculate Density Of Medium

`d_m=d_p-[18×v×V]/[g×D^2]`
d_m = Density Of Medium ---- d_p = Density Of Particle
V = Terminal Velocity ---- v = Viscosity Of Medium
D = Diameter Of a Particle ---- g = Acceleration Of Gravity

Enter your values:

Result:

Calculate Density Of Particle

`d_p=[18×v×V]/[g×D^2]+d_m`
d_p = Density Of Particle ---- d_m = Density Of Medium
V = Terminal Velocity ---- v = Viscosity Of Medium
D = Diameter Of a Particle ---- g = Acceleration Of Gravity

Enter your values:

Result:

Calculate Viscosity Of Medium

`V=[g×D^2×(d_p-d_m)]/[18×V]`
v = Viscosity Of Medium ---- d_p = Density Of Particle
d_m = Density Of Medium ---- D = Diameter Of a Particle
g = Acceleration Of Gravity ---- V = Terminal Velocity

Enter your values:

Result:

Stokes Law Calculators

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Stokes Law Calculators

Calculate Terminal Velocity (Fall Velocity or Settling Velocity)

`V=[g×D^2×(d_p-d_m)]/[18×V]` V = Terminal Velocity ---- D = Diameter Of a Particle g = Acceleration Of Gravity ---- v = Viscosity Of Medium dp = Density Of Particle ---- dm = Density Of Medium

Enter your values:

Result:

Calculate Acceleration Of Gravity

`g=[18×v×V]/[D^2×(d_p-d_m)]` g = Acceleration Of Gravity ---- V = Terminal Velocity v = Viscosity Of Medium ---- D = Diameter Of a Particle dp = Density Of Particle ----dm = Density Of Medium

Enter your values:

Result:

Calculate Diameter Of a Particle

`D=√[18×v×V]/[g×(d_p-d_m)]` D = Diameter Of a Particle ---- V = Terminal Velocity v = Viscosity Of Medium ---- g = Acceleration Of Gravity dp = Density Of Particle ----dm = Density Of Medium

Enter your values:

Result:

Calculate Density Of Medium

`d_m=d_p-[18×v×V]/[g×D^2]` dm = Density Of Medium ---- dp = Density Of Particle V = Terminal Velocity ---- v = Viscosity Of Medium D = Diameter Of a Particle ---- g = Acceleration Of Gravity

Enter your values:

Result:

Calculate Density Of Particle

`d_p=[18×v×V]/[g×D^2]+d_m` dp = Density Of Particle ---- dm = Density Of Medium V = Terminal Velocity ---- v = Viscosity Of Medium D = Diameter Of a Particle ---- g = Acceleration Of Gravity

Enter your values:

Result:

Calculate Viscosity Of Medium

`V=[g×D^2×(d_p-d_m)]/[18×V]` v = Viscosity Of Medium ---- dp = Density Of Particle dm = Density Of Medium ---- D = Diameter Of a Particle g = Acceleration Of Gravity ---- V = Terminal Velocity

Enter your values:

Result:

Stokes Law Calculators

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`V=[g×D^2×(d_p-d_m)]/[18×V]`
V = Terminal Velocity ---- D = Diameter Of a Particle
g = Acceleration Of Gravity ---- v = Viscosity Of Medium
d_p = Density Of Particle ---- d_m = Density Of Medium

`g=[18×v×V]/[D^2×(d_p-d_m)]`
g = Acceleration Of Gravity ---- V = Terminal Velocity
v = Viscosity Of Medium ---- D = Diameter Of a Particle
d_p = Density Of Particle ----d_m = Density Of Medium

`D=√[18×v×V]/[g×(d_p-d_m)]`
D = Diameter Of a Particle ---- V = Terminal Velocity
v = Viscosity Of Medium ---- g = Acceleration Of Gravity
d_p = Density Of Particle ----d_m = Density Of Medium

`d_m=d_p-[18×v×V]/[g×D^2]`
d_m = Density Of Medium ---- d_p = Density Of Particle
V = Terminal Velocity ---- v = Viscosity Of Medium
D = Diameter Of a Particle ---- g = Acceleration Of Gravity

`d_p=[18×v×V]/[g×D^2]+d_m`
d_p = Density Of Particle ---- d_m = Density Of Medium
V = Terminal Velocity ---- v = Viscosity Of Medium
D = Diameter Of a Particle ---- g = Acceleration Of Gravity

`V=[g×D^2×(d_p-d_m)]/[18×V]`
v = Viscosity Of Medium ---- d_p = Density Of Particle
d_m = Density Of Medium ---- D = Diameter Of a Particle
g = Acceleration Of Gravity ---- V = Terminal Velocity