Fill a Container

Calculate Size, Time, Flow Rate

Calculator for filling a tank or basin with one or more hoses at a specific flow rate. Of course, instead of hoses, the water or another liquid can come from somewhere else. Please enter at least one flow rate as well as the container size or the filling time. If the container size is specified, the filling time is calculated and vice versa. Units can be selected as required, the default units are liters for size and liters per minute for flow rate.

Container size:		milliliterscentilitersdeciliterslitershectoliterscubic meters
Hose 1:		milliliterscentilitersdeciliterslitershectoliterscubic meters / secondsminuteshours
Hose 2:		milliliterscentilitersdeciliterslitershectoliterscubic meters / secondsminuteshours
Hose 3:		milliliterscentilitersdeciliterslitershectoliterscubic meters / secondsminuteshours
Hose 4:		milliliterscentilitersdeciliterslitershectoliterscubic meters / secondsminuteshours
Hose 5:		milliliterscentilitersdeciliterslitershectoliterscubic meters / secondsminuteshours
Filling time:	hours minutes seconds

Example: a swimming pool that can hold 100 cubic meters of water is filled from three hoses. 150 liters per minute flow through one hose, 8 deciliters per second through the second and 50 hectoliters per hour through the third. It then almost takes 6 hours for the basin to be full. A swimming pool with a capacity of 100 cubic meters of water would not be particularly large, for example 20 meters long, 5 meters wide and an average of one meter deep, i.e. a children's pool, or swimming pool with a non-swimmer area.

This calculator assumes that the water flows regularly, i.e. at the same flow rate, or at least that the values ​​given are the average values. For a hose from a water pipe, this is roughly correct. However, if a pool is to be filled from a natural source, such as a stream, over a longer period of time, then it is unlikely that the flow rate will be constant and the average value can often only be estimated. The intensity of the precipitation also plays a role here if this affects the amount of water that flows into the pool.
In practice, it can sometimes be difficult to ensure a consistently constant filling speed or to estimate an average for this. So the ral time can differ from the calculated time.

Last updated on 06/25/2025. Author: Jürgen Kummer

Here you can convert metric volume units into customary and imperial units.

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