Volumetric to mass flow

LPM to Mass Flow Rate Calculator

Convert a volume flow reading into a mass flow estimate for water-based systems.

Instant Results Engineering-Grade Precision Clear Assumptions
LPM to Mass Flow Rate LPM → kg/min
LPM
Mass Flow Rate 25.000 kg/min
kg/L
Quick Picks for Litres Per Minute

Change the result manually for different densities by multiplying by fluid density in kg/L.

Volume to Mass Flow kg/min = LPM x density
LPM 25 Litres Per Minute
density model
flow x density mass
kg/min 25.000 Mass Flow Rate

Density turns volume flow into mass flow.

Result 25 LPM = 25.000 kg/min

Use density in kg/L. Water is approximately 1 kg/L.