(So, a 50' x 20' roof is 600" x 240".) A square foot is 12*12 square inches, or 144 square inches. Inches of Water to Pounds per square foot formula. yards to an acre; there are 36 by 36 square inches per square yard and so there are 4840 times 36^2 square inches in an acre. Take the dimensions of the footprint of your roof and convert them to inches. Start This calculator will calculate the amount of water from a rainfall amount measured in inches per acre. 1 psf is the pressure exterted by one pound-force of force being applied to an area of one square foot . How much water is needed to cover 1 square foot 1 inch deep? 1 Inches of water = 0.0833 Feet of water. in H20 = psf * 0.19222 . The sur­face area cov­ered by a small blue­berry or cur­rant bush could be roughly a square yard — 3 feet by 3 feet. This table should give you an idea of how much of a live load is being added to your roof by areas of ponding water or clogged drains. To switch the unit simply find the one you want on the page and click it. 5000 Inches of water = 416.67 Feet of water. Inches of Water to Pounds per square foot table. 2 Inches Of Water to Pounds Per Square Foot = 10.4044. If 1 inch of water falls on a plot that is 1 acre in size, you’ve thus got 6272640/231 = 27154 gallons of water. (So, a 50' x 20' roof is 600" x 240".) psf = in H20 * 5.2023 . 10 Inches of water = 0.8333 Feet of water. See The Best Roofing Tweets from Twitter! per day would drain off about a half-inch of water from the area. Somewhere on found a formula for precipitation rates to figure inches/hr for square spacing. A gallon is 231 cubic inches.That's 6.1358*6.1358*6.1358 inchesAt 1 inch thick, a gallon of water will cover:15.19868415357066363166874420604 square inches, or1.26655701279755530263906201717 square feetTo answer your question, one would need to know the square foot area to … One acre-foot of water (the amount of water covering 1 acre to a depth of 1 foot) equals 326,000 gallons or 43,560 cubic feet of water, and weighs 2.7 million pounds. 1 square inch = 0.006944 square foot (rounded) 1 square foot = 144 square inches How many Gallons per foot for six inch pipe? 3 Inches of water = 0.25 Feet of water. Inches of Water to Pounds per square foot formula. One cubic inch of water weighs 0.036127 of a pound. 1: This is a conversion chart for inch of water (Water (at 39.2°F, 4°C)). 70 Inches Of Water to Pounds Per Square Foot = 364.1531. Therefore: (1) One inch of water covering one square yard would equal 1296 square inches (36 x 36) which would be 5.61 gallons. 1 psf is the pressure exterted by one pound-force of force being applied to an area of one square foot . Unlike other calculators, you are NOT confined to inputting diameter in inches, velocity in miles per hour, etc. 1 inch of water column to pounds per (square foot) = 5.20233 pounds per (square foot) 5 inch of water column to pounds per (square foot) = 26.01165 pounds per (square foot) 10 inch of water column to pounds per (square foot) = 52.0233 pounds per (square foot) 15 inch of water column to pounds per (square foot) = 78.03495 pounds per (square foot) 20 inch of water column to pounds per (square … You can find out how much water you're using by buying a water meter, or by measuring how much water your irrigation system puts out per minute and multiplying that by the watering time. An area of an acre has a square footage of 43560 sq ft. Pound-force per square foot is a foot-pound-second (FPS) unit of pressure. 3.To account for losses and inefficiency, you can expect to collect about 75% of the actual rainfall so your calculation should be multiplied by .75 Formula Length of roof _____ feet X width of roof _____ feet X.6gallons per square ft X … It is the middle of July in Georgia and both you and your tomatoes are wilting in your yard, both looking to the sky and hoping for rain. psf = in H20 * 5.2023 . Pounds per square foot to Inches of Water table. 1. Capacity of a Round Cistern - Imperial measurements, Capacity of a Round Cistern - Metric measurements, Capacity of a Square or Rectangular Shaped Cistern - Imperial measurements, Capacity of a Square or Rectangular Shaped Cistern - Metric measurements, Collecting Rain Water from a Catchment Area/ Inch per Square Foot, Rainfall per Unit Area, Millimetres per Acre, Rainfall per Unit Area, Millimetres per Hectare, Measuring the Water Flow from a Tap in Gallons per Minute, Measuring the Water Flow from a Tap in Litres per Minute, Valves and Fittings 1/2" to 24" diameter, equivalent length calculation, Decimal Foot to Decimal Inch - Decimal Inch to Decimal Foot, Decimal Inch and Foot to Metres and Millimetres, irrigation run time the amount of time the system is running in hours, amount of water applied based on system run time in inches, the application rate in millimetres per hour, amount of water applied based on system run time in millimetres. The following table provides the weight of water per inch in pounds for various areas/square footages. This tells you how many gallons of water you need to apply to the lawn. Multiply the roof dimensions by the number of inches of rainfall. (2) A cubic yard is 46,656 cubic inches (36 x 36 x 36) which would be 201.97 gallons. Do the Math: Find the gallons per minute (GPM) flow rate of the sprinkler being used from the package of the manufacturer. 1 Pounds Per Square Inch to Feet Of Water = 2.3067: 70 Pounds Per Square Inch to Feet Of Water = 161.4708: 2 Pounds Per Square Inch to Feet Of Water = 4.6135: 80 Pounds Per Square Inch to Feet Of Water = 184.5381: 3 Pounds Per Square Inch to Feet Of Water = 6.9202: 90 Pounds Per Square Inch to Feet Of Water = 207.6053 One acre-foot of water (the amount of water covering 1 acre to a depth of 1 foot) equals 326,000 gallons or 43,560 cubic feet of water, and weighs 2.7 million pounds. For instance, if the pool is 3 feet deep, 10 feet wide and 20 feet long, you would multiply 3 times the product of 10 times 20 to get 600 cubic feet. Inches of Water to Pounds per square foot table. Convert from Pressure - Pounds per Square Inch (psi) to Head of Water in Feet (ft h2o) Convert from Head - Water Feet to Pressure in Pounds per Square Inch. 1 Pounds Per Square Inch to Feet Of Water = 2.3067: 70 Pounds Per Square Inch to Feet Of Water = 161.4708: 2 Pounds Per Square Inch to Feet Of Water = 4.6135: 80 Pounds Per Square Inch to Feet Of Water = 184.5381: 3 Pounds Per Square Inch to Feet Of Water = 6.9202: 90 Pounds Per Square Inch to Feet Of Water = 207.6053 For example, on a 2,000 square foot roof, you can collect 2,000 x 0.56 = 1,120 gallons/inch of rain. Multiply the roof dimensions by the number of inches of rainfall. Pounds per square foot to Inches of Water formula. 30 pounds per (square foot) to inch of water = 5.76665 inch of water. Click Here. * 1 acre is defined as one furlong times one chain (really!) Have a question? About • Contact • *Disclosure Statement • Legal Statement • Privacy Policy. 2 Inches of water = 0.1667 Feet of water. * A gallon is 231 cubic inches. Pounds per square foot. An inch of rain is pre­cisely that, water that cov­ers a given area to the depth of 1 inch. Everything else has been calculated from that. Contact one of our sales professionals now to get a competitive quote for any of your pipe needs. There are 4840 sq. So 8,000 gal. Rainfall amounts are usually measured in millimetres and inches. 3 Inches Of Water to Pounds Per Square Foot = 15.6066. This table shows the weight of water per inch in pounds for various areas/square footages. 50 pounds per (square foot) to inch of water = 9.61108 inch of water. A 6-inch pipe holds 1.47 gallons per foot of length. Although this calculation is simple in principle, the units can make it a headache. 40 pounds per (square foot) to inch of water = 7.68886 inch of water. … 1: This is a conversion chart for inch of water (Water (at 39.2°F, 4°C)). 20 pounds per (square foot) to inch of water = 3.84443 inch of water. If your average rainfall was 25 inches/year, your annual collection potential is 1,120 x … One cubic mile of water equals 1.1 trillion gallons, 147.2 billion cubic feet, or 3.38 million acre-feet, and weighs 9.2 trillion pounds (4.6 billion tons). Divide by 231 to get the number of gallons (because 1 gallon = 231 cubic inches). To calculate the total weight of snow, multiple the volume of snow in feet by the density in pounds per cubic foot. 0.62 gallons of water are collected per square foot of roof per inch of precipitation. 1) Water is flowing at 36 inches per second and at a rate of 1.0472 cubic feet per second. 12" x 12" x 1"= 144 cubic inches, which is equal to .623 gallons therefore a one thousand square foot roof receiving one inch of rain will catch 623 gallons. Inches of Water. Values for areas or depths not covered in the table should be easy to arrive at simply by adding together values for areas or depths which are listed. (In this example, 600" x 240" x 1" = 144,000 cubic inches of water.) 1 acre in of water = 27,000gal Cross multiply and we get 27,000gal = 1 acre inch X = .172 acres inch 27Kg x .172 = 1X 4644gal of water to get an inch of water for my front yard of 7492 Sq ft. At 3 gpm that would give me 1548 min. Rainfall calculator (English units) How much water falls during a storm? 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