Enter each connected fixture count as zero or a positive whole number.
Flow is calculated from the usage factor and the square root of the total discharge units: Q = K × √ΣDU.
Calculated pump flow
The result is shown in m³/h and includes the selected usage factor.
Copy the inputs, usage factor and calculated flow together.
This calculator is provided for information only. Results must be checked by qualified engineers. The user is responsible for their application.