The evaporation rate of water from a swimming pool is fairly easy to calculate; given you have access to a psychometric chart or a water vapor tables. Simply click on a calculator you would like to use, enter your numbers and get the result. (This is often rounded off to .62 in some water loss calculators.) A = surface area of the swimming pool. Calculate how much you can save in utility costs by switching to one of our variable speed pool pumps. A pool with dimensions length 30 ft, width 20 ft and dept 6 ft is heated from 50 o F to 75 o F. The volume in the pool (in gallons) can be calculated as. Our Swimming Pool Leak Loss calculator has been developed to aid pool owners around the world to easily understand the quantity of water and cost to the when there pool is dropping its water level. Calculate the volume of water in your pool. Ellipse, Oval, and Irregular Circular pool shape measurements: Step 1 – Measure the total diameter of the spa and divide by 2 to get the radius. Step 5 – Use our pool volume calculators above with the numbers you have to get the total water volume capacity of your pool. Rectangular Pool: Enter the length: FT: Enter the width: FT: Press to calculate the Water Loss: Pool Pump Energy Savings Calculator Pool owners can save up to 90% when switching to one of our variable speed pumps. Calculate your swimming pool water loss in gallons per hour. This calculation is based on the existing (measured) or designed pool(s) area and pool(s) depth.The calculated value is provided in US Gallons, cubic feet, liters and cubic meters.You may find this information quite practical as in your region (i.e. Water Losss Per Inch Calculator as per Swimming Pool Shape. This calculator allows you to estimate the volume of water in your pool(s). When you suspect your pool is leaking and you want to know how many gallons of water it is losing, by using data from a bucket test and the dimensions of your pool, you can figure out how many gallons per hour or minute your pool is losing. A Note About Browsers: If you find that a calculator is not providing you with immediate results, try clearing your browser cache or simply close the calculator … This is multiplied by .6233 gallons, the estimated amount of water that covers one square foot one inch deep. Y= Latent heat (approx. 1000). Canada) you may be dealing with both (imperial and metric) … POUNDS OF WATER PER HOUR PER SQ FT OF WATER SURFACE AIR DEW Pool Water Temperature TEMP RH PT 76 78 80 82 84 86 88 90 92 94 100 104 68o F 40% 47 0.031 0.034 0.035 0.041 0.045 0.049 0.053 0.057 0.062 0.067 0.083 0.095 50% 49 0.028 0.031 0.037 0.038 0.041 0.045 0.049 0.054 0.058 0.063 0.079 0.092 It is free and easy to use: Select your currency; Enter how much your water costs per Cubic Meter (1000) Litres. Note that the major part of the heat loss from a swimming pool surface is a result of evaporation of water from the surface. The water loss calculation due to leaks involves the length of the pool times the width times the water level loss in inches shown with a simple bucket test. V = mean wind velocity (mph). Welcome to MRWA’s Water Tools! Example - Pool Heating. Water / WW Plant Usage: Meter Wear (System Specific): Theft: Tower Overflows: Other: Other: Total Gallons Accounted For: 0.00 % of Water Loss: 0.00: Amount of Water Lost: 0.00: Click Here To Close Window! W=(A (69.4+30.8 (V)) / Y )(Pw-Pa) W = lb / hr of evaporation.