Reynolds Number Equations Calculator

Engineering Fluid Mechanics Design Formulas

Reynolds Number assists in the analysis of the type of fluid flow: laminar, turbulent and transitional. It describes the relationship between viscous force and inertial force.

Solving For Reynolds Number. Inputs:

 density(ρ) kilogram/meter^3gram/centimeter^3gram/meter^3gram/milliliterkilogram/deciliterkilogram/litermilligram/literounce/foot^3ounce/inch^3pound/foot^3pound/bushel UKpound/bushel USpound/gallon UKpound/gallon USpound/inch^3pound/yard^3ton metric/meter^3slug/foot^3slug/inch^3
 velocity (V) meter/secondcentimeter/hourcentimeter/secondfoot/dayfoot/hourfoot/minutefoot/secondinch/dayinch/hourinch/minuteinch/secondkilometer/daykilometer/hourkilometer/minutekilometer/secondknotmach sea level 15 Cmeter/daymeter/hourmeter/minutemile/daymile/hourmile/minutemile/secondmillimeter/secondspeed of light in vacuumyard/second
 viscosity (μ) N-s/m^2centipoisedecipoisedekapoisedyne-second/centimeter^2gram/centimeter-secondhectopoisekilogram force-second/meter^2kilopoisemegapoisemillinewton-second/meter^2millipoisemicropoisenanopoisenewton-second/meter^2pascal-secondpoisepound/foot-hourpound/foot-secondpound force-second/foot^2pound force-second/inch^2poundal-second/foot^2slug/foot-second

Conversions:

 density(ρ)= 0 = 0kilogram/meter^3
 velocity (V)= 0 = 0meter/second
 characteristic length (l)= 0 = 0meter
 viscosity (μ)= 0 = 0N-s/m^2

Solution:

 Reynolds Number (Re)= NOT CALCULATED

Other Units:

Change Equation
Select to solve for a different unknown Reynolds Number density velocity characteristic length viscosity

References - Books:
1) Munson, Bruce R., Young, Donald F., Okiishi Theodore H.. 1994. Fundamentals of Fluid Mechanics. John Wiley & Sons, Inc. 2nd ed.

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By Jimmy Raymond Contact: aj@ajdesigner.com