Convert Cubic meters per hour to Cubic meters per second
Instantly convert Cubic meters per hour (m³/hr) to Cubic meters per second (m³/s) with our free online calculator.
Formula: m³/hr to m³/s — multiply by 2.7778e-4
Reference Table
| Cubic meters per hour (m³/hr) | Cubic meters per second (m³/s) |
|---|---|
| 1 | 0.000277778 |
| 5 | 0.00138889 |
| 10 | 0.00277778 |
| 25 | 0.00694444 |
| 50 | 0.0138889 |
| 100 | 0.0277778 |
How to Convert Cubic meters per hour to Cubic meters per second
Formula
To convert Cubic meters per hour (m³/hr) to Cubic meters per second (m³/s): multiply by 2.7778e-4
Step-by-Step
- Start with your value in Cubic meters per hour (m³/hr).
- Multiply by 2.7778e-4 to perform the conversion.
- The result is your value expressed in Cubic meters per second (m³/s).
Conversion Factor
1 m³/hr = 0.000277778 m³/s
Reverse Factor
1 m³/s = 3600 m³/hr
Worked Example
Convert 25 Cubic meters per hour to Cubic meters per second: 25 m³/hr = 0.00694444 m³/s
About Cubic meter per hour (m³/hr)
A metric flow-rate unit equal to exactly 1/3,600 m³/s. m³/hr is the de-facto standard unit for industrial process flows in metric countries, HVAC air handling (DIN EN 16798 / ASHRAE 62.1 ventilation calcs), pump sizing in European pump curves (KSB, Grundfos, Wilo specifications), natural-gas metering and the gas grid balance reports (TSO data is in Mm³/hr), municipal water-treatment plant capacity, and biogas/anaerobic-digester output. European building-code minimum air-exchange rates (e.g., German DIN 1946 fresh-air requirements per occupant) and Eurovent-certified fan-coil ratings are almost always expressed in m³/hr. Practical reference: a typical residential heat-recovery ventilation unit moves 100-400 m³/hr; an industrial centrifugal pump might be rated at 50-5,000 m³/hr. Convert to GPM by multiplying by 4.403, to CFM by multiplying by 0.5886, to L/s by dividing by 3.6.
About Cubic meter per second (m³/s)
The SI unit of volumetric flow rate (ISO 80000-4 §4-30) — the volume of fluid passing a fixed cross-section per unit time. m³/s is the universal unit in fluid-dynamics research (Reynolds and Navier-Stokes work), large-pipeline engineering (offshore oil-export risers, district-energy distribution mains), river and flood hydrology (where it is conventionally called the "cumec" — for "cubic meter per second" — in technical writing), large-scale wastewater treatment, and industrial process flow simulation (Aspen HYSYS, CHEMCAD, OLGA). Reference scale: the Amazon River average discharge is ~209,000 m³/s, the Mississippi ~16,800 m³/s, a major dam spillway flood release ~5,000-15,000 m³/s. Most practical applications use smaller units (L/s, m³/hr, GPM) because m³/s values are typically very small for human-scale equipment — a household faucet is ~0.0002 m³/s. Converting to gallons per minute (US): multiply by 15,850. Converting to L/s: multiply by 1,000.
Quick Facts
- 1 Cubic meter per hour equals 0.000277778 Cubic meters per second
- 1 Cubic meter per second equals 3600 Cubic meters per hour
- Cubic meter per hour is a unit of volumetric flow rate
- Cubic meter per second is a unit of volumetric flow rate
- This conversion is commonly used in plumbing, HVAC systems, and chemical process engineering
- The Cubic meter per hour belongs to the metric system
Common Cubic meter per hour to Cubic meter per second Conversions
| Cubic meters per hour (m³/hr) | Cubic meters per second (m³/s) |
|---|---|
| 0.01 | 0.00000277778 |
| 0.1 | 0.0000277778 |
| 0.25 | 0.0000694444 |
| 0.5 | 0.000138889 |
| 1 | 0.000277778 |
| 2 | 0.000555556 |
| 3 | 0.000833333 |
| 5 | 0.00138889 |
| 10 | 0.00277778 |
| 15 | 0.00416667 |
| 20 | 0.00555556 |
| 25 | 0.00694444 |
| 50 | 0.0138889 |
| 75 | 0.0208333 |
| 100 | 0.0277778 |
| 250 | 0.0694444 |
| 500 | 0.138889 |
| 1000 | 0.277778 |
| 5000 | 1.38889 |
| 10000 | 2.77778 |
Understanding Cubic meters per hour
The Cubic meter per hour (symbol: m³/hr) is a unit of volumetric flow rate. A metric flow-rate unit equal to exactly 1/3,600 m³/s. m³/hr is the de-facto standard unit for industrial process flows in metric countries, HVAC air handling (DIN EN 16798 / ASHRAE 62.1 ventilation calcs), pump sizing in European pump curves (KSB, Grundfos, Wilo specifications), natural-gas metering and the gas grid balance reports (TSO data is in Mm³/hr), municipal water-treatment plant capacity, and biogas/anaerobic-digester output. European building-code minimum air-exchange rates (e.g., German DIN 1946 fresh-air requirements per occupant) and Eurovent-certified fan-coil ratings are almost always expressed in m³/hr. Practical reference: a typical residential heat-recovery ventilation unit moves 100-400 m³/hr; an industrial centrifugal pump might be rated at 50-5,000 m³/hr. Convert to GPM by multiplying by 4.403, to CFM by multiplying by 0.5886, to L/s by dividing by 3.6.
It belongs to the metric measurement system.
Cubic meters per hour are commonly used in plumbing, HVAC systems, and chemical process engineering.
Understanding Cubic meters per second
The Cubic meter per second (symbol: m³/s) is a unit of volumetric flow rate. The SI unit of volumetric flow rate (ISO 80000-4 §4-30) — the volume of fluid passing a fixed cross-section per unit time. m³/s is the universal unit in fluid-dynamics research (Reynolds and Navier-Stokes work), large-pipeline engineering (offshore oil-export risers, district-energy distribution mains), river and flood hydrology (where it is conventionally called the "cumec" — for "cubic meter per second" — in technical writing), large-scale wastewater treatment, and industrial process flow simulation (Aspen HYSYS, CHEMCAD, OLGA). Reference scale: the Amazon River average discharge is ~209,000 m³/s, the Mississippi ~16,800 m³/s, a major dam spillway flood release ~5,000-15,000 m³/s. Most practical applications use smaller units (L/s, m³/hr, GPM) because m³/s values are typically very small for human-scale equipment — a household faucet is ~0.0002 m³/s. Converting to gallons per minute (US): multiply by 15,850. Converting to L/s: multiply by 1,000.
It belongs to the metric measurement system.
Cubic meters per second are commonly used in plumbing, HVAC systems, and chemical process engineering.
Why Convert Cubic meters per hour to Cubic meters per second?
Converting between Cubic meters per hour and Cubic meters per second is a frequent requirement for engineers, scientists, and students working with volumetric flow rate values. Different industries and regions favour different unit systems, so having a dependable conversion tool saves time and prevents errors in technical calculations. Whether you are verifying a specification sheet, cross-checking simulation results, or preparing a report for an international audience, accurate volumetric flow rate conversion is essential.
Frequently Asked Questions
How do I convert Cubic meters per hour to Cubic meters per second?
A metric flow-rate unit equal to exactly 1/3,600 m³/s. To convert Cubic meters per hour to Cubic meters per second, multiply by 2.7778e-4. For example, 25 m³/hr equals 0.00694444 m³/s.
How many Cubic meters per second are in 1 Cubic meter per hour?
There are 0.000277778 Cubic meters per second in 1 Cubic meter per hour.
How many Cubic meters per hour are in 1 Cubic meter per second?
There are 3600 Cubic meters per hour in 1 Cubic meter per second.
What is the formula for Cubic meter per hour to Cubic meter per second conversion?
The formula is: multiply by 2.7778e-4. This means 1 m³/hr = 0.000277778 m³/s.
Is a Cubic meter per hour bigger than a Cubic meter per second?
Yes. One Cubic meter per hour is larger than one Cubic meter per second because 1 m³/hr equals 0.000277778 m³/s, which is less than 1.
When do you need to convert between Cubic meters per hour and Cubic meters per second?
The SI unit of volumetric flow rate (ISO 80000-4 §4-30) — the volume of fluid passing a fixed cross-section per unit time. Cubic meter per hour and Cubic meter per second are both volumetric flow units, so conversion comes up whenever one source of information uses one unit and another uses the other — a classic cross-reference challenge in engineering, trade, travel, and everyday life.