Pump Flow Rate Calculator LPM kW → LPM
kW
Estimated Pump Flow 437.458 LPM
m
%
Quick Picks for Pump Power
Use pump curves and system head calculations for final pump selection.
Pump flow estimate
Pump Flow Rate Calculator LPM
Estimate pump flow from power, total head, and efficiency for quick pump sizing checks.
Instant Results Engineering-Grade Precision Clear Assumptions
Pump Power to Flow LPM = (kW x 1000 x efficiency) / (1000 x 9.80665 x head) x 60000
kW 2.2 Pump Power
power / head
impeller power / head head
LPM 437.458 Estimated Pump Flow
Power, head, and efficiency estimate pump flow.
Result 2.2 kW = 437.458 LPM
This estimates water flow from hydraulic power, head, and efficiency.
Formula
Pump Flow Rate Calculator LPM Formula
Pump Power 2.2 kW Total Head 20 m Pump Efficiency 65 %
power / head
Estimated Pump Flow 437.458 LPM LPM = (kW x 1000 x efficiency) / (1000 x 9.80665 x head) x 60000
This estimates water flow from hydraulic power, head, and efficiency.
Guide
How the Pump Flow Rate Calculator LPM Works
Input Pump Power
Model power / head
Output 437.458 LPM
Decision Engineering Check
Enter the required inputs: Pump Power, Total Head, Pump Efficiency.
The calculator applies: LPM = (kW x 1000 x efficiency) / (1000 x 9.80665 x head) x 60000.
The result updates instantly in LPM.
Use the displayed assumption before applying the result to engineering work.
Reference
Pump Flow Rate Calculator LPM Conversion Table
0.5 kW 99.422 LPM
1 kW 198.845 LPM
2.2 kW 437.458 LPM
5 kW 994.223 LPM
10 kW 1988.447 LPM
25 kW 4971.117 LPM
| Pump Power (kW) | LPM |
|---|---|
| 0.5 | 99.422 |
| 1 | 198.845 |
| 2.2 | 437.458 |
| 5 | 994.223 |
| 10 | 1988.447 |
| 25 | 4971.117 |
Applications
Where Pump Flow Rate Calculator LPM is Used
LPM Pump Flow Rate Calculator LPM
Pump curve comparison Plumbing systems Irrigation pumps Industrial transfer lines Explanation
What is Pump Flow Rate Calculator LPM?
Inputs Pump Power + Total Head + Pump Efficiency
Result Estimated Pump Flow
The pump flow rate calculator uses pump power, total head, pump efficiency to calculate estimated pump flow. It is designed for fast comparison work across pumps, plumbing, gas flow, HVAC, and industrial systems.
Example: 2.2 kW = 437.458 LPM
FAQ
Questions About Pump Flow Rate Calculator LPM
Q1 What does the pump flow rate calculator calculate? Q2 What assumption is used for this pump flow rate calculator? Q3 Where is the pump flow rate calculator used? Q4 Is the pump flow rate calculator accurate for engineering design? Q5 Can I use the pump flow rate calculator for gases and liquids?
What does the pump flow rate calculator calculate?
It converts the entered value into LPM using the formula and assumptions shown on the page.
What assumption is used for this pump flow rate calculator?
It estimates pump flow from power, total head, and efficiency for water-like systems.
Where is the pump flow rate calculator used?
It is used for pump curves, plumbing, irrigation, transfer pumps, and industrial water systems.
Is the pump flow rate calculator accurate for engineering design?
The math is useful for fast estimation, but engineering-critical work should be checked against manufacturer data, fluid properties, pipe geometry, temperature, pressure, and local standards.
Can I use the pump flow rate calculator for gases and liquids?
Use it only when the displayed assumptions match your medium and reference conditions. Gas, fuel, and pressure-drop calculations can change significantly with density, pressure, temperature, and system geometry.