Measuring how much water to put in your pond can be tricky. If only it were as easy as running the hose till it hits the top. But then you have to add for water running through the waterfalls, variations in pond size, plumbing and filtration. Not to mention unpredictable weather conditions can overflow or dry it out. The Water Volume Calculator is a basic measurement for figuring out just how much water you need to add to your pond. While it is possible to get the measurement down to the precise drop, we’ll keep it simple and use the Water Volume Calculator to break it down to the simple basics.
Water Volume Calculator
The basic calculation to >find the area of your pond is: length x width x depth. This gives you the cubic square feet of your pond. 7.48 gallons of water fits in 1 sq.ft., so we then multiply the area of the pond by 7.48.
Water Volume Calculator: length x width x depth x 7.48 = estimated water volume
Alright, this is the very basic starting point for determining your pond’s water volume calculation. Now we’re going to toss in another number: how much to calculate for water features, such as waterfalls and streams. One of two things happen if moving water with a pond is miscalculated. Too much water and you the water will flood over the pond once it’s turned off. Too little water and the pump will run dry. The calculation for moving water follows the same basic model as the water volume calculator. You will start by measuring the length of the waterfall, times the width of the waterfall, times the depth of the water, times 2.5. The additional 2.5 will account for the water that’s in motion.
Calculating for Moving Water
length of waterfall x width of waterfall x depth of waterfall x 2.5 = water in motion
For a more in-depth look on the Water Volume Calculator and how to calculate for more difficult types of ponds, check out our calculations page HERE.