21 Cubic Meter/Hour to Liter/Second
Quick answer
21 Cubic Meter/Hour (m³/h) equals
5.833333 L/s
To convert 21 Cubic Meter/Hours to Liter/Seconds, multiply by 0.2777777778. Therefore, 21 Cubic Meter/Hour (m³/h) equals 5.833333 Liter/Second (L/s).
Formula: L/s = m³/h × 0.2777777778. Calculation: 21 × 0.2777777778 = 5.833333 L/s.
Convert Cubic Meter/Hour (m³/h) to Liter/Second (L/s) online with our free unit converter. In flow rate, 1 m³/h = 0.277778 L/s. Explore step-by-step conversion steps, mathematical formulas, and quick conversion reference tables below.
Worked example: converting Cubic Meter/Hour to Liter/Second
- Step 1 — start with the formula. L/s = m³/h × 0.2777777778
- Step 2 — substitute your figure. 21 m³/h × 0.2777777778
- Step 3 — read the result. 21 m³/h = 5.833333 L/s
- Step 4 — check it in reverse. m³/h = L/s × 3.6 returns 21 m³/h, which matches the figure you started with.
Flow Rate Converter
14 units available
21 m³/h = 5.833333 L/s
Formula:
L/s = m³/h × 0.2777777778With your value: 21 m³/h = 5.83333333 L/s
Other Cubic Meter/Hour to Liter/Second conversions
Cubic Meter/Hour to Liter/Second Conversion Table
| Cubic Meter/Hour (m³/h) | Liter/Second (L/s) |
|---|---|
| 0.5 | 0.138889 |
| 1 | 0.277778 |
| 2 | 0.555556 |
| 5 | 1.388889 |
| 10 | 2.777778 |
| 15 | 4.166667 |
| 20 | 5.555556 |
| 25 | 6.944444 |
| 50 | 13.888889 |
| 100 | 27.777778 |
| 250 | 69.444444 |
| 500 | 138.888889 |
| 1000 | 277.777778 |
Liter/Second to Cubic Meter/Hour Conversion Table
| Liter/Second (L/s) | Cubic Meter/Hour (m³/h) |
|---|---|
| 0.5 | 1.8 |
| 1 | 3.6 |
| 2 | 7.2 |
| 5 | 18 |
| 10 | 36 |
| 15 | 54 |
| 20 | 72 |
| 25 | 90 |
| 50 | 180 |
| 100 | 360 |
| 250 | 900 |
| 500 | 1,800 |
| 1000 | 3,600 |
Where these values come from
Every factor on this page is traced to the document that defines it. See the full provenance dataset or our methodology.
Cubic Meter/Hour (m³/h)
Flow Rate
Derived quantity: a defined volume divided by a defined time interval (m³/s). All listed units are exact multiples of the cubic metre per second.
Source: ISO 80000, Quantities and units (all parts)
International Organization for Standardization · Reviewed 2026-07-01
Liter/Second (L/s)
Flow Rate
Derived quantity: a defined volume divided by a defined time interval (m³/s). All listed units are exact multiples of the cubic metre per second.
Source: ISO 80000, Quantities and units (all parts)
International Organization for Standardization · Reviewed 2026-07-01
How to Convert Cubic Meter/Hour to Liter/Second
To convert from Cubic Meter/Hour (m³/h) to Liter/Second (L/s), multiply the value by 0.2777777778.
Formula: L/s = m³/h × 0.2777777778
Reverse: m³/h = L/s × 3.6
Step-by-Step Example
- Start with your value in Cubic Meter/Hour. For example: 5 m³/h
- Multiply by the conversion factor: 5 x 0.2777777778
- The result is: 1.388889 L/s
Cubic Meter/Hour and Liter/Second Relationship
This calculation facilitates standardized conversion between recognized units of flow rate. Since 1 Cubic Meter/Hour represents a fraction of a Liter/Second (1 Liter/Second ≈ 3.6 Cubic Meter/Hours), the Liter/Second is the larger measurement interval. Understanding the relationship between Cubic Meter/Hour and Liter/Second is essential for accurate calculations in physics, engineering, commerce, and daily applications.
About Cubic Meter/Hour
The Cubic Meter/Hour (symbol: m³/h) is a recognized unit in the Standard measurement framework, utilized within flow rate applications for precision and standardized data representation.
Common uses of Cubic Meter/Hour: flow rate calculations, engineering and science, education.
About Liter/Second
The Liter/Second (symbol: L/s) is a recognized unit in the Metric (SI) measurement framework, utilized within flow rate applications for precision and standardized data representation.
Common uses of Liter/Second: flow rate calculations, engineering and science, education.
Frequently Asked Questions
- What is 21 Cubic Meter/Hour in Liter/Second?
- 21 Cubic Meter/Hour equals 5.833333 Liter/Second.
- How many Liter/Seconds are in 1 Cubic Meter/Hour?
- There are exactly 0.2777777778 Liter/Seconds in 1 Cubic Meter/Hour. This means the conversion factor from Cubic Meter/Hour to Liter/Second is 0.2777777778.
- What is the formula to convert Cubic Meter/Hour to Liter/Second?
- The formula to convert Cubic Meter/Hour to Liter/Second is: L/s = m³/h × 0.2777777778. For example, to convert 10 Cubic Meter/Hours to Liter/Seconds, you would multiply 10 by 0.2777777778.
- What is a Cubic Meter/Hour?
- The Cubic Meter/Hour (symbol: m³/h) is a recognized unit in the Standard measurement framework, utilized within flow rate applications for precision and standardized data representation.
- What is a Liter/Second?
- The Liter/Second (symbol: L/s) is a recognized unit in the Metric (SI) measurement framework, utilized within flow rate applications for precision and standardized data representation.
- What are the common uses of Cubic Meter/Hour?
- The Cubic Meter/Hour is commonly used in flow rate calculations, engineering and science, education.
Related Flow Rate Conversions
Cite this page
UnitConvertLab. (2026). 21 Cubic Meter/Hour to Liter/Second. UnitConvertLab. Retrieved from https://unitconvertlab.com/convert/21-m3_per_hour-to-liter_per_second