Volumetric Flow Rate Converter

Instantly convert Volumetric Flow Rate between SI and common engineering units including m³/s, L/s, L/min, m³/h. No formula lookup required.

Convert

About

Value × conversion factor to SI base (temperature uses affine offset), then restored to target unit.
Bidirectional conversion with unit swap supported.
Inputfrom unitOutputto unitLive conversion · unit swap
Volumetric Flow Rate Converter schematic

Fundamentals

Volumetric Flow Rate is a basic physical quantity for measuring the relevant object; unit conversion unifies dimensions across standards, drawings and test data.

This tool uses m³/s as the base unit and scales the input by each unit's factor to the target; temperature and similar quantities use affine conversion $y=a x+b$. All factors are relative to SI.

History

Measurement of Volumetric Flow Rate has a long history: ancient standards used body parts (cubit, foot) or nature (sundials, water clocks); the metric system (1790s) and SI (1960) unified global measurement.

Engineering applications

In mechanical design, trade, international drawings and test data, Volumetric Flow Rate must often be converted between customary units such as m³/s and SI to keep dimensions consistent.

Glossary

Base unitReference unit, usually SI (e.g. m³/s).
Conversion factorProportional factor between a unit and the base.
Linear / affineMost units are linear; temperature needs an offset (affine).

How to use

  1. Enter the value to convert in the Value box.
  2. Pick the source and target units from the From / To dropdowns.
  3. Click Convert; the result shows below. Use ⇅ to swap units.
Formula notesUnit conversion (flow_rate): 流量:1 m³/h = 1000/3600 L/s,1 L/s = 60 L/min。

Formula · Worked Example · Knowledge

Formula

This tool uses m³/s as the base unit and scales the input by each unit's factor; all but temperature are proportional.

Worked Example

From m³/s to L/s: result = value ×(src factor / tgt factor); use ⇅ to reverse.

Key Points

  • Covers 7 common units with bidirectional conversion and unit swap.
  • Engineering-significant figures; scientific notation for extreme values.
  • Unifies dimensions across standards, test data and reports.

Parameters

Supported units

UnitBase factor
m³/s
L/s
L/min
m³/h
US gpm
cfm
ft³/s

Applications

  • rpm, speed, acceleration conversion
  • Kinematics sim data exchange
  • Test-rig parameter setup

FAQ

What formula does this tool use?
This tool computes per ISO / AGMA / ASME standard formulas: Value × conversion factor to SI base (temperature uses affine offset), then restored to target unit.
How accurate are the results?
Results match input precision, based on SI units and common engineering approximations; for critical duty re-check with a safety factor.
Where is it used?
rpm, speed, acceleration conversion