Spike's Calculators

Pools & Ponds

Pool/Pond Fill Time Using Metric Measurements

Calculate the amount of time it takes to fill a pool or pond with a garden hose using litres for pool/pond volume and kilopascal (kPa) as a unit for water pressure.

Calculation based on nominal hose diameter, garden hose length, and source pressure.

Values used in this calculator have been converted from gallons and pounds per square inch.
 Kinks or bends in a garden hose will increase hose friction and reduce the available water flow. And as such, the results will vary in real live.

Pool/Pond Fill Time Litres

Pool or Pond Volume Litres


Water Flow Rate lpm
Fill Time hrs min

The Calculation

  1. select hose diameter and source pressure (millimetres plus kPa)
  2. select hose length (metres)
  3. enter the pool or pond volume in litres

The Results:

  1. water flow rate in litres per minute
  2. the time it takes to fill the pool/pond in hours and minutes
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