Pump: Size | Delivery Height || Drain

Pump Size Calculator

Calculate the volumetric flow rate, volume, time, diameter and speed of a pump. Here you can calculate, how much water (or something else) a pump can handle theoretically. The volumetric flow rate is the amount per time. Diameter refers to the opening diameter of the round outlet, where the water comes out. The speed is the flow velocity at this point.

Volume V:
Time t:d, h, min, s
Volumetric flow rate V/t: /
Diameter d:
Speed v:

Round to    decimal places.

Please choose the desired units. Enter two values of volume, time and volumetric flow rate, the third value will be calculated. Furthermore, one of the three values volumetric flow rate, diameter and speed can be calculated from the other two.
Time is given in days, hours, minutes and seconds.

Formula: V/t = (d/2)² * π * v

cm² * m = 1/10 l

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