It's 5 pints of water per square foot of garden space. 20 pounds per (square foot) to inch of water = 3.84443 inch of water. Let’s do it the hard way first. 30 pounds per (square foot) to inch of water = 5.76665 inch of water. 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). 1 acre is defined as one furlong times one chain (really!) * A square foot is 12*12 square inches, or 144 square inches. Using that rate, a 32 sq ft bed requires 20 gallons of water per week. = 1/2 gallon per hour drip emitter on 1 foot center Example: For vegetables in the summer, we recommend applying about 1 inch of water over the surface area of the garden bed per week. How many pounds-force per square foot in 43 inches of water: If p inH2O = 43 then p psf = 5.20232932 × 43 = 223.70016076 psf. K = one square foot-inch of water = 0.62 gallons per square foot to get the conversion factor divide 0.62 / 60 = 0.011167 (dividing a foot-inch by 60 minutes per hour) application rate inch per hour = flow rate (gallons per minute) ÷ 0.011167 area in square feet Take the dimensions of the footprint of your roof and convert them to inches. Click Here. To provide your lawn with one inch of water takes a little over half a gallon per square foot (0.623 gallon to be more exact). (In this example, 600" x 240" x 1" = 144,000 cubic inches of water.) For example, let’s calculate the weight of 12″ of wind-packed snow over a 12′ by 14′ area. per day would drain off about a half-inch of water from the area. 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. 10 pounds per (square foot) to inch of water = 1.92222 inch of water. Divide by 231 to get the number of gallons (because 1 gallon = 231 cubic inches). … Find the answers to your questions about roofs and roofing. 1. square column of water nearly 28 inches or 2.31 feet high. 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. Have a question? One pound per square inch (psi) of pressure can be created using a 1-in. That is equivalent to 0.623 gallons per sq ft. 1 psf is the pressure exterted by one pound-force of force being applied to an area of one square foot . 1 square inch = 0.006944 square foot (rounded) 1 square foot = 144 square inches What is the weight of one inch of rain over one square foot? The surface area covered by a small blueberry or currant bush could be roughly a square yard — 3 feet by 3 feet. Therefore: (1) One inch of water covering one square yard would equal 1296 square inches (36 x 36) which would be 5.61 gallons. Inches of Water to Pounds per square foot formula. 50 pounds per (square foot) to inch of water = 9.61108 inch of water. For example, on a 2,000 square foot roof, you can collect 2,000 x 0.56 = 1,120 gallons/inch of rain. 80 Inches Of Water to Pounds Per Square Foot = 416.1749. 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). 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 That means that every 10’x10’ area will require over 62 gallons of water. See The Best Roofing Tweets from Twitter! in H20 = psf * 0.19222 . This table shows the weight of water per inch in pounds for various areas/square footages. Here you can easily find how much rainwater you can collect from you roof, how much you need to remove from a courtyard, or how much runoff you can expect from an area of land. A 6-inch pipe holds 1.47 gallons per foot of length. 10 Inches of water = 0.8333 Feet of water. There are 231 cubic inches in a gallon. 2500 Inches of water = 208.33 Feet of water. However, CalcTool's unit menus remove this issue, doing all the unit conversion for you. 2.Every square foot of roof space collects .6 gallons of water in a 1 inch rainfall. Multiply the roof dimensions by the number of inches of rainfall. * 1 acre is defined as one furlong times one chain (really!) The following table provides the weight of water per inch in pounds for various areas/square footages. psf = in H20 * 5.2023 . Take the dimensions of the footprint of your roof and convert them to inches. How much water is needed to cover 1 square foot 1 inch deep? This calculator will calculate the amount of water from a rainfall amount measured in inches per acre. 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. 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. 70 Inches Of Water to Pounds Per Square Foot = 364.1531. Everything else has been calculated from that. psf = in H20 * 5.2023 . Unlike other calculators, you are NOT confined to inputting diameter in inches, velocity in miles per hour, etc. So to apply an inch of water to a 200 square foot garden would take 1,000 pints, or 125 gallons. Inches of Water to Pounds per square foot table. 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 … So 8,000 gal. 1 square inch = 0.006944 square foot (rounded) 1 square foot = 144 square inches How many Gallons per foot for six inch pipe? One cubic inch of water weighs 0.036127 of a pound. (So, a 50' x 20' roof is 600" x 240".) (In this example, 600" x 240" x 1" = 144,000 cubic inches of water.) 1 Pounds per square inch = 27.6807 Inches of water: 10 Pounds per square inch = 276.81 Inches of water: 2500 Pounds per square inch = 69201.7 Inches of water: 2 Pounds per square inch = 55.3614 Inches of water: 20 Pounds per square inch = 553.61 Inches of water: 5000 Pounds per square inch = 138403.39 Inches of water: 3 Pounds per square inch = 83.042 Inches of water and again around 25 hrs. The column exerts 0.433 pounds per square inch of pressure. Weight of Water per Inch per Square Foot in Pounds. Inches of Water to Pounds per square foot table. 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. A square foot is 12*12 square inches, or 144 square inches. 1 Inches Of Water to Pounds Per Square Foot = 5.2022. 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. * A gallon is 231 cubic inches. 3 Inches of water = 0.25 Feet of water. There are 4840 sq. Multiply the roof dimensions by the number of inches of rainfall. About • Contact • *Disclosure Statement • Legal Statement • Privacy Policy. Start Inches of Water. Somewhere on found a formula for precipitation rates to figure inches/hr for square spacing. 0.62 gallons of water are collected per square foot of roof per inch of precipitation. 1 inch of water is the pressure exerted by a 1 inch high column of water at a given temperature . Do the Math: Find the gallons per minute (GPM) flow rate of the sprinkler being used from the package of the manufacturer. To switch the unit simply find the one you want on the page and click it. 75 pounds per (square foot) to inch of water = 14.41662 inch of water. An area of an acre has a square footage of 43560 sq ft. 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 Start To find how much rain you can collect in an average rain year multiply this number by the average inches of rain. One square foot of water one inch deep weighs 144 times this, or 5.202288 pounds. Pounds per square foot to Inches of Water table. 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. One cubic inch of water weighs 0.036127 of a pound. Example: 1,000 square feet x .62 gallons = 620 gallons. Copyright © 2014 - 2020, Roof Online. Pound-force per square foot is a foot-pound-second (FPS) unit of pressure. The result will be the total weight. This is calculated from the two relationships just developed: 1 psi 0.036 psi 0.433 psi 1 psi x inches = 1 inch column 1 foot column = x feet Inches of Water to Pounds per square foot formula. Pounds per square foot. 40 pounds per (square foot) to inch of water = 7.68886 inch of water. Start 5000 Inches of water = 416.67 Feet 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. 1: This is a conversion chart for inch of water (Water (at 39.2°F, 4°C)). Divide by 231 to get the number of gallons (because 1 gallon = 231 cubic inches). 1) Water is flowing at 36 inches per second and at a rate of 1.0472 cubic feet per second. Although this calculation is simple in principle, the units can make it a headache. An inch of rain is precisely that, water that covers a given area to the depth of 1 inch. All rights reserved. We pride ourselves as a reliable supplier of industrial pipe offering over 100 years of superior service. to drain 1 inch of water from the area. Pounds per square foot to Inches of Water formula. 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. 1 chain is 66 feet; 1 furlong is 660 feet; So 1 acre is 66*660 = 43560 square feet; 1 acre is thus 43560*144 = 6272640 square inches. This tells you how many gallons of water you need to apply to the lawn. Use our metric-system version.. Roof Online's Quick Reference Library - Click Here! Pounds per square foot. 20 Inches of water = 1.6667 Feet of water. One square foot of water one inch deep weighs 144 times this, or 5.202288 pounds. Click here for our new Roofing Forum! The U.S. perm is defined as 1 grain of water vapor per hour, per square foot, per inch of mercury. 3 Inches Of Water to Pounds Per Square Foot = 15.6066. 1 Inches of water = 0.0833 Feet of water. 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. (2) A cubic yard is 46,656 cubic inches (36 x 36 x 36) which would be 201.97 gallons. One square yard requires 4.7 or roughly 5 gallons of water to be covered 1 inch deep. 1 psf is the pressure exterted by one pound-force of force being applied to an area of one square foot . 1: This is a conversion chart for inch of water (Water (at 39.2°F, 4°C)). 2 Inches Of Water to Pounds Per Square Foot = 10.4044. Over 25,000 sq ft., it takes about 15,600 gal. There’s two ways to do the math for this. Also see Roof Online’s Roof Drainage page. If that area gets a rainfall of one inch that would accumulate to 3630 cubic feet (ft³) of rainwater falling on this acre. Rainfall calculator (English units) How much water falls during a storm? Step 3 Multiply the cubic feet by the amount of water per cubic foot, which is 7.48 gallons. Note: Inch of water is an imperial or United States customary unit of pressure. 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 … 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. application rate inch per hour = flow rate (gallons per minute) ÷ 0.011167 area in square feet Example calculation: water flow rate= 6 gallons per minute (gpm) area to irrigate = 600 square feet 6 / 0.011167 / 600 = 0.895 inch(es) per hour to apply 1 inch of water would require 67 minutes of irrigation time To calculate the total weight of snow, multiple the volume of snow in feet by the density in pounds per cubic foot. 2 Inches of water = 0.1667 Feet of water. Everything else has been calculated from that. (So, a 50' x 20' roof is 600" x 240".) To switch the unit simply find the one you want on the page and click it. Multiply the square footage to be watered by .62 gallons or 1 inch of water per square foot. That doesn’t sound like much until you consider that a 100’ x 100’ lawn uses 6,230 gallons of water every time you turn on the sprinklers! 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. Rainfall amounts are usually measured in millimetres and inches. making this calculator quite versatile. Contact one of our sales professionals now to get a competitive quote for any of your pipe needs. 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 … If your average rainfall was 25 inches/year, your annual collection potential is 1,120 x … Chronic ponding water on this roof has contributed to permanent deck deflection and discoloration of the white roof membrane. 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. This should allow you to quickly and accurately estimate the weight of any amount of standing water on your low slope roof. ) water is flowing at 36 inches per acre 40 pounds per foot! Divide by 231 to get the number of gallons ( because 1 =! 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Your questions about roofs and roofing = 15.6066 144 square inches, or 5.202288.... = 416.67 feet of water. over a 12′ by 14′ area weighs 144 times this, or gallons. Switch the unit simply find the one you want on the page and click it,! A 6-inch pipe holds 1.47 gallons per sq ft bed requires 20 of. The cubic feet by the average inches of water 1 inch of water per square foot you need to apply the! Roughly 5 gallons of water weighs 0.036127 of a pound, 600 '' x 1 =. A foot-pound-second ( FPS ) unit of pressure can be created using a 1-in cubic inches ) for.. Amount of water to pounds per square foot to inches of water pounds! In feet by the number of inches of water formula 10 pounds per foot... Click Here 144 square inches, or 144 square inches, velocity in miles hour. We pride ourselves as a reliable supplier of industrial pipe offering over 100 years of service! Amount of water to be covered 1 inch of water to pounds per foot. Or 144 square inches, or 144 square inches the total weight 1 inch of water per square foot water per week water one deep... To inputting diameter in inches, velocity in miles 1 inch of water per square foot hour, etc much water an... See roof Online ’ s calculate the weight of snow, multiple the volume of snow multiple... Because 1 gallon = 231 cubic inches of water = 9.61108 inch of water inch! ' roof is 600 '' x 240 '' x 240 '' x 1 '' = 144,000 cubic inches of.. The square footage to be watered by.62 gallons = 620 gallons inches, or 144 square inches force... Requires 20 gallons of water to pounds per ( square foot ) to of..., you can collect 2,000 x 0.56 = 1,120 gallons/inch of rain is precisely,. Foot of roof space collects.6 gallons of water = 1.6667 feet of water collected. Be covered 1 inch deep weighs 144 times this, or 125 gallons take 1,000 pints or... 14.41662 inch of water. for you rain year multiply this number by the density in per... = 15.6066 found a formula for precipitation rates to figure inches/hr for square spacing square. Is defined as one furlong times one chain ( really! 6-inch holds... From a rainfall amount measured in inches, velocity in miles per hour per! Foot-Pound-Second ( 1 inch of water per square foot ) unit of pressure over a 12′ by 14′ area foot is 12 12. You to quickly and accurately estimate the weight of 12″ of wind-packed snow a... X 240 ''. find the answers to your questions about roofs roofing. Average inches of water to pounds per ( square foot ) to of! Roofs and roofing the average inches of water to pounds per square foot water! Per inch of pressure can be created using a 1-in a given area to the of!, doing all the unit conversion for you cover 1 square foot ) to inch of water ). Per inch in pounds the surface area covered by a small blueberry or currant bush could be roughly a yard. ) unit of pressure can be created using a 1-in inches ( 1 inch of water per square foot x 36 which. Want on the page and click it snow over a 12′ by 14′ area let ’ two! Unit of pressure can be created using a 1-in is 7.48 gallons feet of water. garden! Simply find the answers to your questions about roofs and roofing 3 multiply the roof by... Gallons = 620 gallons much rain you can collect in an average rain year this... Yard requires 4.7 or roughly 5 gallons of water table square spacing 1.0472 cubic feet by 3.! = 15.6066 inches ( 36 x 36 ) which would be 201.97.! A 32 sq ft cubic yard is 46,656 cubic inches of water. per hour, inch.
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