Enter the flow value and select the conversion direction to determine the equivalent flow rate in cubic meters per hour (m³/h) or liters per minute (L/min).
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m³/h to L/min Formula
The following formulas are used to convert between cubic meters per hour and liters per minute.
L/min = m^3/h * 1000 / 60
m^3/h = L/min * 60 / 1000
Variables:
- L/min is the flow rate in liters per minute
- m³/h is the flow rate in cubic meters per hour
- 1 m³ = 1000 liters
- 1 hour = 60 minutes
To calculate liters per minute from cubic meters per hour, multiply the flow rate by 1000 and divide by 60. To convert in the opposite direction, multiply liters per minute by 60 and divide by 1000.
What is m³/h to L/min Conversion?
Both cubic meters per hour (m³/h) and liters per minute (L/min) measure volumetric flow rate. They describe how much volume passes a point over time, but they use different units for both volume and time. Since 1 cubic meter equals 1000 liters and 1 hour equals 60 minutes, the relationship between these two flow units is fixed and easy to calculate.
This conversion is commonly used in HVAC systems, pumps, piping design, industrial processes, and fluid handling applications where equipment specifications may be listed in one unit while design calculations require the other.
How to Convert m³/h to L/min?
The following steps outline how to convert between m³/h and L/min.
- First, determine the known flow rate value.
- Next, identify whether the value is given in m³/h or L/min.
- If converting from m³/h to L/min, use the formula L/min = m³/h × 1000 ÷ 60.
- If converting from L/min to m³/h, use the formula m³/h = L/min × 60 ÷ 1000.
- After inserting the values and calculating the result, check your answer with the calculator above.
Example Problem:
Use the following example values to test your understanding.
Flow Rate = 2 m³/h
L/min = 2 × 1000 ÷ 60 = 33.3333 L/min
Reverse Example: 50 L/min = 50 × 60 ÷ 1000 = 3.0000 m³/h
m³/h to L/min Conversion Table
The table below lists several common flow rates in m³/h and their equivalent values in L/min.
| Flow (m³/h) | Flow (L/min) |
|---|---|
| 1 m³/h | 16.67 L/min |
| 2.5 m³/h | 41.67 L/min |
| 5 m³/h | 83.33 L/min |
| 10 m³/h | 166.67 L/min |
Knowing this conversion makes it easier to compare pump curves, equipment specs, and engineering documents that report flow in different unit systems.