Minimum Flow RateĪfter you have determined approximately how many gallons of water are in your pool we need to convert this into a rating of Gallons per Minute. If you would like to use a calculator to determine how many gallons are in your pool you can use the Pentair Pool Volume Calculator by following the link. Round pool = radius (ft) x radius x average depth x 3.14 x 7.48.Oval pool = ½ length (ft) x ½ width x average depth x 3.14 x 7.48.Rectangular pool = length (ft) x width x average depth x 7.48.This will help us figure out how much water needs to be circulated in an 8 hour period and give us an idea of the required turnover rate. We first need to determine how many gallons of water are in your pool. It will take a few minutes to work through these steps but it's worth every minute when you figure out the correct size pump to circulate your pool water while saving you money every month in electrical savings.Ĭalculate Pool Volume Minimum Flow Rate Maximum Flow Rate Flow Rate Range Total Dynamic Head Final Range Calculate Pool Volume

This will ensure that the pump is the most efficient size for your specific pool system. We've put together a simple step by step guide to help you calculate what size pump is ideal for your pool. To the pool or spa capacity. If you trust that your current pump is properly sized youĬan replace with a similar hp pump but if you want to ensure you are using theīest pump possible for your pool follow the sizing guidelines below. Period of time required to circulate a volume of water equal

The ideal pump will turnover your entire pool in an 8 hours cycle and since all pools are different it's important to get your pool pump sizing correct.įlow is generated and subsequently the faster turnover rate. Although this is a good idea in theory it can lead to unnecessarily high electrical usage and can be very costly. The circulated water is converted into chlorine only when it passes through the cell and if you don't have enough turnover you will constantly find your chlorine production is too low.Ī common misconception is to purchase the largest pool pump you can find so that you know you have enough circulation for your pool. The chlorine generation in a salt water pool relies entirely on the salt water being circulated through the salt cell. The pump is the heart of any swimming pool system and with a salt water system it's even more important to get your pump sized correctly.

Above ground pool volume calculator