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Cubic Meters/hour to Liters/second Converter (m³/h to L/s)

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Live Conversion • ISO 80000-4:2019 Certified
1 Cubic meter/hour = 0.27777778 Liter/second
1 m³/h = 0.277778 L/s • 1 L/s = 3.6 m³/h
Cubic meter/hour to Liter/second: One Cubic meter/hour is equal to 0.27777778 Liters/second.
Certified Authority Value
0.27777778
L/s
Exact: 1 L/s ≡ 3.6 m³/h
m³/h
m³/h
Swap to Liter/second to Cubic meter/hour
Swap to Liter/second to Cubic meter/hour
L/s
L/s 0.27777778
Quick Values:
Conversion Formula
To convert Cubic meter/hour to Liter/second, multiply by 0.27777778
m³/h × 0.27777778 = L/s

Calculation: 1 m³/h × 0.27777778 = 0.27777778 L/s

Common Cubic meter/hour to Liter/second Calculations

Quick-lookup reference table showing calculated equivalents for standard increments between Cubic meter/hour (m³/h) and Liter/second (L/s).

Tap any row to calculate
Cubic meter/hour to Liter/second: Primary Direct Table (15 Steps)
Cubic meter/hour to Liter/second Conversion Reference Table
Conversion & Equivalent Value Scientific Notation
0.001 m³/h 0.000277778 L/s 2.778 × 10⁻⁴
0.01 m³/h 0.00277778 L/s 2.778 × 10⁻³
0.1 m³/h 0.0277778 L/s 2.778 × 10⁻²
0.5 m³/h 0.138889 L/s 1.389 × 10⁻¹
1 m³/h 0.277778 L/s 2.778 × 10⁻¹
2 m³/h 0.555556 L/s 5.556 × 10⁻¹
5 m³/h 1.388889 L/s 1.389 × 10⁰
10 m³/h 2.777778 L/s 2.778 × 10⁰
20 m³/h 5.555556 L/s 5.556 × 10⁰
25 m³/h 6.944444 L/s 6.944 × 10⁰
50 m³/h 13.888889 L/s 1.389 × 10¹
100 m³/h 27.777778 L/s 2.778 × 10¹
250 m³/h 69.444444 L/s 6.944 × 10¹
500 m³/h 138.888889 L/s 1.389 × 10²
1000 m³/h 277.777778 L/s 2.778 × 10²
Liter/second to Cubic meter/hour: Reciprocal Summary
Liter/second to Cubic meter/hour Conversion Reference Table
Reciprocal & Equivalent Value Scientific Notation
1 L/s 3.6 m³/h 3.6 × 10⁰
5 L/s 18 m³/h 1.8 × 10¹
10 L/s 36 m³/h 3.6 × 10¹
50 L/s 180 m³/h 1.8 × 10²
100 L/s 360 m³/h 3.6 × 10²
View Complete 15-Row Liter/second to Cubic meter/hour Table

Real-World Context & Everyday Benchmarks

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To help contextualize these units in everyday life, science, and engineering, here are verified real-world reference points for Cubic meter/hour (m³/h) and Liter/second (L/s):

Cubic meter/hour References:

  • Municipal street fire hydrant flow test inspection discharge capacity 200 m³/h
  • Residential swimming pool diatomaceous earth filtration pump circulation 15 m³/h

Liter/second References:

  • Standard residential outdoor garden watering hose discharge rate 0.5 L/s
  • Municipal fire engine attack hose line water discharge delivery rate 15 L/s

Tap any benchmark above to automatically calculate its exact equivalent in Liter/second.

ISQ Dimension: [L³ T⁻¹] Coherent SI Unit: cubic meter per second (m³/s) Fluid Dynamics & Rheology

How to Convert Cubic meter/hour to Liter/second

Converting Cubic meter/hour (m³/h) to Liter/second (L/s) is a core calculation in Volumetric Flow Rate, which quantifies the volume of fluid passing through a designated conduit cross-section per unit of time. Because Liter/second is a broader physical scale than Cubic meter/hour, converting from m³/h to L/s condenses the numerical figure. It takes 3.6 Cubic meter/hour to equal a single Liter/second (1 m³/h = 0.277778 L/s). To convert any quantity, multiply by 0.277778 (or divide by 3.6).

Direct Factor1 m³/h = 0.277778 L/s
Inverse Ratio1 L/s = 3.6 m³/h
Conversion ScaleDirect Proportional Magnitude Compression
First-Principles SI Derivation ProofNIST SP 811 / ISO 80000 Compliance

Mathematical Conversion Derivation via Coherent SI Base Unit

Under the International System of Quantities (ISQ), dimensional conversion between non-SI units is rigorously resolved by bridging through the coherent SI base unit (cubic meter per second (m³/s)) without arbitrary rounding:

Vtarget=Vsource×(ksource→SIktarget→SI)V_{\text{target}} = V_{\text{source}} \times \left( \frac{k_{\text{source} \to \text{SI}}}{k_{\text{target} \to \text{SI}}} \right)
Universal Dimensional Conversion Law (ISO 80000 / NIST SP 811)
1. Source SI Bridge (ksource):1 m³/h = 0.000277778 cubic meter per second (m³/s)
2. Target SI Bridge (ktarget):1 L/s = 0.001 cubic meter per second (m³/s)
Step-by-step substitution for Cubic meter/hour → Liter/second:V(L/s) = V(m³/h) × ( 0.000277778 / 0.001 ) = V(m³/h) × 0.277778
Mathematical FormulaValue in Liter/second = Value in Cubic meter/hour × 0.27777778Direct computational formula applied for standard conversion.
Worked Example

Evaluating an input of 120 Cubic meter/hour (m³/h) produces 33.333333 Liter/second (L/s). In heavy-duty utility and industrial workloads, 240 m³/h equals 66.666667 L/s.

Inverse check: 1 L/s = 3.6 m³/h.

Understanding Cubic meter/hour and Liter/second

Cubic meter/hour

m³/h
Standard Unit

A Cubic meter/hour (m³/h) is a recognized unit for volumetric flow rate.

Applications & Practical Context

In practical flow terms, a municipal street fire hydrant flow test inspection discharge capacity equals 200 m³/h, a residential swimming pool diatomaceous earth filtration pump circulation equals 15 m³/h.

Physical Setup

A physical magnitude of 1 m³/h corresponds to 0.000277778 m³/s in standard SI measurement.

Conversion to SI Unit: cubic meter per second (m³/s)
1 m³/h = 0.000277778 m³/s

Liter/second

L/s
Standard Unit

A Liter/second (L/s) is a recognized unit for volumetric flow rate.

Applications & Practical Context

In practical flow terms, a standard residential outdoor garden watering hose discharge rate equals 0.5 L/s, a municipal fire engine attack hose line water discharge delivery rate equals 15 L/s.

Physical Setup

A physical magnitude of 1 L/s corresponds to 0.001 m³/s in standard SI measurement.

Conversion to SI Unit: cubic meter per second (m³/s)
1 L/s = 0.001 m³/s

Domain Metrology & Engineering Applications

Governing Law & Equation

Hydrodynamic Continuity Equation (Q = A · v̄)

Measurement Instrumentation

Rigorously quantified in laboratory and field settings using electromagnetic inductive flowmeters, ultrasonic transit-time meters, turbine flowmeters, and differential orifice plates.

Primary Industry Sectors

Applied across municipal water supply distribution, chemical process loops, oil & gas pipeline custody transfer, and HVAC hydronic balancing under international metrology standard ISO 80000-4:2019, ASME MFC-3M.

Physical Orders of Magnitude & Laboratory Reference Benchmarks

Physical Phenomenon / Engineering ReferenceReference ValueConverted to Liter/second
Municipal street fire hydrant flow test inspection discharge capacity200 m³/h55.555556 L/s
Residential swimming pool diatomaceous earth filtration pump circulation15 m³/h4.166667 L/s
Institutional Metrology & Standard Authority:

Formulas, conversion coefficients, and base definitions on this page strictly adhere to the ISO 80000-4:2019, ASME MFC-3M and the BIPM SI Brochure (9th Edition). Governed by Hydrodynamic Continuity Equation (Q = A · v̄) under ISO 80000 dimensional vector [L³ T⁻¹].

Multi-Variable Engineering Bridge Fluid Continuity & Mass Flux

Volumetric to Mass Flow Continuity Bridge (kg/s • kg/h • lb/s • lb/h • t/h • g/s)

Convert volumetric flow rate (Q) directly into physical mass flow rate (ṁ) across process fluids using the continuity relation ṁ = ρ × Q, bridging volume flow [L³ T⁻¹] and mass flow [M T⁻¹] via density (ρ).

ṁ = ρ × Q
Vector: [m³/s] × [kg/m³] → [kg/s]
Live Calculated Bridge Equivalent:
1 m³/h at Water (20°C / Standard Ambient) = 0.2773 kg/s
Equals 998.2 kg/h • 0.6113 lb/s • 2200.65 lb/h
SI Mass Flow
0.2773
kg/s
Kilograms per Second
Industrial Process
998.2
kg/h
Kilograms per Hour
US Mass Flow
0.6113
lb/s
Pounds per Second
Boiler / Turbine Rating
2200.65
lb/h
Pounds per Hour
Heavy Plant Header
0.9982
t/h
Metric Tons per Hour
Chemical / Laboratory
277.2778
g/s
Grams per Second
  1. 1. Normalize Input to SI Base Unit (m³/s):
    Q = 1 m³/h × 0.00027778 = 0.00027778 m³/s
  2. 2. Apply Engineering Parameter (ρ):
    Selected condition: Water (20°C / Standard Ambient) at ρ = 998.2 kg/m³
  3. 3. Execute Governing Physical Law in SI Units:
    ṁ = ρ × Q = (0.00027778 m³/s) × (998.2 kg/m³) = 0.277278 kg/s
  4. 4. Convert to Standard Engineering Units:
    • kg/s: 0.277278 × 1 = 0.2773 kg/s (Kilograms per Second) • kg/h: 0.277278 × 3600 = 998.2 kg/h (Kilograms per Hour) • lb/s: 0.277278 × 2.2046 = 0.6113 lb/s (Pounds per Second) • lb/h: 0.277278 × 7936.6414 = 2200.65 lb/h (Pounds per Hour) • t/h: 0.277278 × 3.6 = 0.9982 t/h (Metric Tons per Hour) • g/s: 0.277278 × 1000 = 277.2778 g/s (Grams per Second)
Explore Full Density Converter →
Engineering Substance / Operating Standard Parameter Value (kg/m³) Reference State / Condition Typical Industrial & Engineering Application
Water (20°C / Standard Ambient) 998.2 998.2 kg/m³ HVAC hydronic & cooling water
Diesel Fuel (EN 590 / 20°C) 832 832.0 kg/m³ Generator & marine diesel consumption
Gasoline / Petrol (15°C) 740 740.0 kg/m³ Automotive fuel injection lines
Hydraulic Fluid (ISO VG 46) 870 870.0 kg/m³ Hydraulic power pack pumps
Air (Standard Ambient / NTP 20°C) 1.204 1.204 kg/m³ HVAC ductwork & compressor air
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Frequently Asked Questions

There are exactly 0.27777778 liters/second (L/s) in 1 cubic meter/hour (m³/h). To calculate larger amounts manually, simply multiply your total number of cubic meters/hour by the conversion multiplier of 0.27777778.

The mathematical formula to convert cubic meters/hour to liters/second is: [value] * 0.27777778 = liters/second. Rather than doing the math manually, you can use our high-precision online calculator to process this exact equation instantly without rounding errors.

To perform the reverse calculation from liters/second back to cubic meters/hour, you must divide your starting value by 0.27777778. Our bidirectional tool automatically computes this inverse equation the moment you type into the liter/second input field.

1 Liter/second is larger than 1 Cubic meter/hour. Specifically, 1 Cubic meter/hour equals 0.27777778 liters/second, meaning 1 Liter/second is 3.6 times larger than 1 Cubic meter/hour (a difference of 0.56 orders of magnitude). Expressing measurements in cubic meters/hour requires a larger numerical value to represent the equivalent physical magnitude.

A typical municipal street fire hydrant flow test inspection discharge capacity measures 200 m³/h, which corresponds to 55.5556 Liter Per Second (Liter/second).

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