Cubic meters per hour to liters per second
Type a value in cubic meters per hour to see it in liters per second straight away, or type in the second box to convert back.
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Processing and privacy: The result is calculated inside your browser and your data is not sent to any server.
How to use it
- Type the value in the cubic meters per hour box.
- Read the result in liters per second as you type, and pick the precision you need.
- Swap the direction to convert back, or copy the result.
How it is calculated
L/s = m³/h × 0.2777777778
Multiply the value in cubic meters per hour by 0.2777777778 to get liters per second.
Example
To convert 25 m³/h to liters per second: 25 × 0.2777777778 = 6.94444 L/s.
Conversion table
| Cubic meters per hour (m³/h) | Liters per second (L/s) |
|---|---|
| 1 | 0.277778 |
| 2 | 0.555556 |
| 3 | 0.833333 |
| 5 | 1.38889 |
| 10 | 2.77778 |
| 20 | 5.55556 |
| 25 | 6.94444 |
| 50 | 13.8889 |
| 100 | 27.7778 |
| 250 | 69.4444 |
| 500 | 138.889 |
| 1,000 | 277.778 |
About the units
- Cubic meter per hour
- One cubic meter passing each hour, 1/3600 m³/s, the usual unit for water pumps and ventilation.
- Liter per second
- One liter passing each second, 0.001 m³/s, used in ventilation design and drainage networks.
Limits and caveats
- Results are rounded for display and computed with the browser's floating point precision (about 15 significant digits).
- Both unit factors are exact by their official definitions.
Questions about this tool
How many liters per second are in one cubic meter per hour?
1 m³/h = 0.277778 L/s exactly.
How do I convert cubic meters per hour to liters per second?
Use L/s = m³/h × 0.2777777778. For example, 25 m³/h = 6.94444 L/s.
How many cubic meters per hour are in one liter per second?
1 L/s = 3.6 m³/h.
How do I convert liters per minute to US gallons per minute?
One US gallon per minute is exactly 3.785411784 L/min, so divide the liters figure by 3.785411784. For example, 20 L/min is about 5.28 US gpm.
What does CFM mean on AC units and fans?
CFM stands for cubic feet per minute and describes how much air a unit moves. One CFM equals 1.69901079552 cubic meters per hour or 0.4719474432 liters per second.