Mass Flow & Density to Volume Flow Calculator

Volume Flow Factors
Mass Flow (ṁ) [?]
micrograms (µg or mcg) milligrams (mg) grams (g) ounces (oz) pounds (lb) kilograms (kg) stones (st) hundredweight (cwt, short, usa) hundredweight (cwt, long, uk) tons (ton, short, usa) tonnes (t, metric) tons (ton, long, uk) kilotons (kt, short, usa) kilotonnes (kt, metric) kilotons (kt, long, uk) megatons (Mt, short, usa) megatonnes (Mt, metric) megatons (Mt, long, uk)
per (/)
nanosecond (ns) microsecond (µs) millisecond (ms) second (s) minute (min) hour (hr) day (d) week (wk) month (mo) year (yr)
Density (ρ) [?]
micrograms (µg or mcg) milligrams (mg) grams (g) ounces (oz) pounds (lb) kilograms (kg) stones (st) hundredweight (cwt, short, usa) hundredweight (cwt, long, uk) tons (ton, short, usa) tonnes (t, metric) tons (ton, long, uk) kilotons (kt, short, usa) kilotonnes (kt, metric) kilotons (kt, long, uk) megatons (Mt, short, usa) megatonnes (Mt, metric) megatons (Mt, long, uk)
per (/)
cu nanometre (nm³) cu micrometre (µm³) cu thou (thou³) cu millimetre (mm³) cu centimetre (cc, cm³) millilitre (mL) teaspoon (tsp, usa) teaspoon (tsp, metric) tablespoon (Tbsp, usa) tablespoon (Tbsp, metric) cu inch (in³) fluid ounce (fl oz, imp) fluid ounce (fl oz, usa) cup (usa) cup (metric) pint (pt, usa liq) pint (pt, imp) litre (L) gallon (gal, usa liq) gallon (gal, imp) cu foot (ft³) barrel (bbl, oil) cu yard (yd³) cu metre (m³) kilolitre (kL) megalitre (ML) cu kilometre (km³) cu mile (mi³) cu nautical mile (nmi³)
Calculate Rate of Volumetric Flow
Volume Flow (Q) [?]
cu nanometres (nm³) cu micrometres (µm³) cu thous (thou³) cu millimetres (mm³) cu centimetres (cc, cm³) millilitres (mL) teaspoons (tsp, usa) teaspoons (tsp, metric) tablespoons (Tbsp, usa) tablespoons (Tbsp, metric) cu inches (in³) fluid ounces (fl oz, imp) fluid ounces (fl oz, usa) cups (usa) cups (metric) pints (pt, usa liq) pints (pt, imp) litres (L) gallons (gal, usa liq) gallons (gal, imp) cu feet (ft³) barrels (bbl, oil) cu yards (yd³) cu metres (m³) kilolitres (kL) megalitres (ML) cu kilometres (km³) cu miles (mi³) cu nautical miles (nmi³)
per (/)
nanosecond (ns) microsecond (µs) millisecond (ms) second (s) minute (min) hour (hr) day (d) week (wk) month (mo) year (yr)

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Related Tools

Find another flow measurement calculator by clicking on the required answer which coincides with the input parameters you already know.

	vol flow	mass flow	flow speed	vol	mass	time
area	flow speed		vol flow
dia	flow speed		vol flow
w x h	flow speed		vol flow
time	vol	mass		vol flow	mass flow
vol	time				density	vol flow
mass		time		density		mass flow
density	mass flow	vol flow		mass	vol
flow speed	area, dia

• Determine mass flow from volume flow and density
• Volumetric flow rate units converter
• Mass flow rate units converter
• Density units conversion

User Guide

Use this calculator to convert mass flow rate and density of a substance to the rate of volumetric flow.

When a volume flow rate is calculated a chart will be generated showing related conversion values for mass versus volume flow for the specified substance density.

Formula

The formula used by this calculator to calculate the volume flow is:

Q = ṁ / ρ

Symbols

• Q = Volumetric flow rate
• ṁ = Mass flow rate
• ρ = Density

Mass Flow Rate Measured

Enter the rate at which a quantity of substance mass will flow in a unit of time.

Density

Enter the density of the substance that is flowing

Volumetric Flow Rate Calculation

This is the volume of substance which will pass in a unit of time for the selected mass flow rate and substance density.

Help

Calculating velocity from mass flow rate & density

I have heat exchanger in/out mass flow rate readings for a liquid, and the densities for each liquid type.  I also have the pipe diameter in inches.  How do I calculate the velocity?

First you need to use this ṁ / ρ = Q tool to calculate the volume flow rate by entering each mass flow rate and density value. Then you need to use this Q / (π · (ø / 2)²) = v tool to calculate the velocity by entering the previously calculated volume flow rate, and the diameter of the pipe.