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What does pounds per square foot mean

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what does pounds per square foot mean 2 oz. Let’s dive in… The lb/ft² (psf) is a very theoretical value for having an overview of the stage floor capacity. 10 to get 20 pounds per 1,000 square feet of lawn. 8 atm = 1690 pounds per square foot: 0. A product label prescribes 2 pounds per acre. 3000 psi convert to pounds per square foot for load rating capacity? Yes, the floor is designed for 100 pounds per square foot over the whole area. For example, if you are putting 24 pounds on the 48 square foot platform, you would divide 24 by 48 and find that you have 0. Per Foot OCTAGON *Diameter x Diameter x 2. The formula for torque in the instance of tightening a fastener would be: Torque equals force times radius, or T=FR. 44 pounds per square inch. 095 . You can also go to the universal conversion page. 3 atm = 635 pounds per square foot: 0. 5 inch thick normal concrete weighs about 18 pounds. Divide 2 by . 4 pounds of water 1 pound = 0. 5-7. You need to apply a grub control insecticide over 4800 square feet. How many pounds per square foot in 54 kilograms per square meter: If ρA kg/m² = 54 then ρA lb/ft² = 0. 0479 k Pa. 1 pound per square foot equals 47. 60 Pounds Per Square Inch to Pounds Per Square Foot = 8640. 2 ft. Pound per square foot is an imperial or United States customary unit of surface density. The “Design Tandem “consists of two axles, each axle weighing 25 kips spaced 4 ft apart. 15,000 square feet, and weighs 46. Calculation: The density calculation is a two-step process. 56 pounds. The “pound-foot” (lb-ft) is a unit of torque and a vector measurement that is created by one pound of force acting on a one foot lever. . 68 = Lbs. Pounds per square inch (PSI) is a measurement of pressure in the Imperial system of measurement. Pound Per Ream: RP: Pound per square foot: FP: A non SI unit of Pressure approximately equal to 47. b Where the building official determines that in-place soi lw thanb er g c y f 1 ,5 0 p sf ar el ik y to n h low ber ing cp t ysh dm s oil nv tga . Between MSI, lineal feet, pounds of material, square inches, sheet units, M weight, and price-per-hundred weight (CWT), the numbers can be confusing. To figure coverage simply divide the bag weight by the suggested coverage to get how many pounds per square feet. It is equal to the work done by one pound of force acting through a distance of one foot. 2 lb x 16 oz = 3. 1 knot = 1 nautical mile per hour = 6,076 ft per hour 1 mph = 1 mile per hour = 5,280 feet per hour . 2 0. S. 1 square foot = 144 square inches 1 square yard = 9 square feet 1 square mile = 640 acres or 1 section 212 pounds per square foot: 1 / 5 atm = 423 pounds per square foot: 0. 4, the allowable bearing capacities of the soil shall be part of the recommendations. Strength is the result of multiple factors, but is primarily the outcome of the concrete’s composition —the ratio of cement, water and . 1 psi equals 6,894. Pound per square inch - Absolute: 80: Psia (pound-force per square inch absolute)is a unit of pressure pressure relative to a vacuum (such as that in space). 7854 x D 2 ) P = PSI (Gauge pressure in pounds per square inch) HP = Pounds of push (or pull) x Distance (in feet) 550 x Time (in seconds) HP = Horsepower Circle Formula: A = D x D x . 8 Mph) by it's calculations. 0013. 50 Pounds Per Square Inch to Pounds Per Square Foot = 7200. 3000 psi convert to pounds per square foot for load rating capacity? 1 cubic foot = 62. Per Foot HEXAGON *Diameter x Diameter x 2. 76 pascals. 115 pounds per cubic foot. Pounds per square inch (psi) measures the compressive strength of concrete. Type the number of Foot-pound force you want to convert in the text box, to see the results in the table. This example would be 46. Examples: If a roof can handle 40lbs per square foot and potting soil weighs 80 lbs per cubic foot, does that mean if a planter has a cubic foot of soil that it's too heavy to be on the roof? What if that cubic foot is in a very thin, long planter, that spreads that weight across more than 1 cubic foot? Estimated Square Feet: 550 Estimated Weight: 2,000 – 5,000 lbs. 1 square foot = 144 square inches 1 square yard = 9 square feet 1 square mile = 640 acres or 1 section For SI: 1 pound per square foot = 0. 2048161435 × 54 = 11. Step 1: Calculate the Cubic Feet Cubic Feet = (length in inches x width in inches x height in inches) 1728 cubic inches Step 2: Calculate the Density-Pounds per Cubic Foot (PCF) Unit Descriptions; 1 Pound per Acre: Mass of pounds per area of an acre. What does pounds per square inch mean? The pound per square inch or, more accurately, pound-force per square inch (symbol: lbf/in 2; abbreviation: psi) is a unit of pressure or of stress based on avoirdupois units. Zone "A" is 30 Psf (pounds per square foot) ( 86. First, use the following formula to determine how much fertilizer will be needed to apply 0. Think of it as having a block of steel 1 ft by 1 ft, weight of 100 pounds, and placing it on a flat surface. 092 square metres. 2 2. 5 pounds per square inch decrease in atmospheric pressure. 5 inch thick granite is 17. Concrete = 150 LBS per Cubic Foot. Estimated Square Feet: 850 Estimated Weight: 3,000 – 5,000 lbs. Examples: F = Force or thrust, in pounds A = Piston area in square inches ( . While this may seem like someone 150lbs would fall through a 150lbs/sqft floor if standing on a single square foot, this simply isn’t true. m. At sea level, Earth's atmosphere actually exerts a pressure of 14. Distributed loads more than 75 pounds per square foot (367 kg/m2) often require the scaffold to be professionally engineered. Average Weight Per Bundle. 120 . Each PSI stands for Pounds per Square Inch. KINETIC ENERGY: Kinetic energy = 1/2 x Mass x Velocity^2 (Mass is the weight of the object (in pounds) divided by the pull of gravity (32. Since the weight of a cubic foot of water is approximately 65 pounds, the weight of water on a square foot at that depth is 65 times 180, which is 11,700 . Medium Duty: Up to 50 pounds per square foot (244 kg/m2) of platform area, evenly distributed. 3). PSI Gauge is a measure of pressure, but a gauge measure only. Each • Rules of thumb around the construction industry are 200 pounds per square foot for a single-level home, 275 for two levels and 350 for three levels. Or, multiply by 100000/6894. This, however, is exactly how some real estate agents and consumers like to calculate a home’s value. 5 pounds per square foot. Normal Weight Concrete – 145 pounds per cubic foot. In the USA the PSI pressure unit is the primary unit of measure for pressure and almost all pressure instruments are specified and display in pounds per square inch. Use 2 pounds of fertilizer if the garden is sandy and 3 pounds if the soil is mostly clay. 3000 psi convert to pounds per square foot for load rating capacity? 212 pounds per square foot: 1 / 5 atm = 423 pounds per square foot: 0. 6 atm = 1270 pounds per square foot: 0. Main article: Orders of magnitude . 757. Example C. 7854 A = D2 x 0. 2 Bedroom Apartment. 7 atm = 1480 pounds per square foot: 0. 1 acre x 2 lb = 0. 5. To calculate an area in square feet, give the square footage calculator a try. 5: add 10 pounds of lime per 100 square feet. Three-Tab Asphalt. Step 1: Calculate the Cubic Feet Cubic Feet = (length in inches x width in inches x height in inches) 1728 cubic inches Step 2: Calculate the Density-Pounds per Cubic Foot (PCF) The foot-pound (also and originally known as foot-pound force) is a traditional English unit of work. 5 Inches of Asphalt = 165 LBS / SY. It is the pressure resulting from a force of one pound-force applied to an area of one square inch: One pound per square inch approximately equals 6894. This figure is predicated on no heavy features such as tile roofing or extensive masonry work, but includes foundation. If a roof can handle 40lbs per square foot and potting soil weighs 80 lbs per cubic foot, does that mean if a planter has a cubic foot of soil that it's too heavy to be on the roof? What if that cubic foot is in a very thin, long planter, that spreads that weight across more than 1 cubic foot? PSI stands for pounds per square inch, which refers to the amount of air pressure being delivered through an air compressor per inch. The same segment created from lightweight concrete weighs approximately 14. ft) and kg. 003104 by 1,000 to equal 3. 5 pounds. 7 psi. Estimate grass seed quantity for new planting or overseeding. . Usage context: Mainly used in Britain and the United States In roofing, it is the weight of the roofing in pounds per 100 square feet of coverage. 757 = 14. 56 / 15,000 = . Most wheat seed in Oklahoma has between 13,000 and 16,000 seeds per pound. The pound per square inch or, more accurately, pound-force per square inch (symbol: psi or lbf/in2 or lbf/in2 or lbf/sq in or lbf/sq in) is a unit of pressure or of stress based on avoirdupois units. Choose the tab that corresponds to your land measurement and enter the size of the lawn. 1 pound = 16 ounces = 7000 grains 1 ounce = 437. 3000 psi convert to pounds per square foot for load rating capacity? For residential floors, the live load is usually considered to be 30 to 40 pounds per square foot (psf), although this varies depending on the location within the home. Per Foot PIPE Actual O. 503774. So if the room is 10 feet by 10 feet it can take 100 x 10 x 10 = 10,000 pounds, or if a person weighing 200 pounds occupies 2 square feet then it can support 10000/2/200 = 50 people at one time in that room 100 pounds per square foot (also denoted 100 psf) is most likely a pressure value. Using the price per square foot method with home “A” selling at $400,000 would give you a price per square foot of $142. Length & Width. 0625 pounds 1 mile per hour = 1. Advertisement. At a 60 lbs/A seeding rate, this will deliver 18 seeds to 22 seeds per square foot. 3000 psi convert to pounds per square foot for load rating capacity? For every 1,000 feet of change in elevation, there is a loss of 1 foot in suction or lift and a 0. Per Foot SHEET Thickness x Width x Length x . 2 – 3 Bedroom Apartment. Wheat needs 60 heads to 70 heads per square foot at harvest for full yield potential. 0885. 9: add 1 pound of sulfur or 5 pounds of iron sulfate or 5 pounds of aluminum . First-floor live loads have higher requirements than second-floor live loads (40 pounds per square foot vs. 065 . i. 86. 1 psf = 1 lbf / ft². Mix half in and rake the other half into the surface of a new garden bed or apply half in spring, half in fall to established gardens 5. I presume you mean at a depth of 180 feet. For example, a 1,000 square foot lawn would mean a recommended amount of 2 pounds of nitrogen per square foot. 1 acre. Usage context: Mainly used in Britain and the United States Pounds or Pounds Force per Square Foot is a British (Imperial) and American pressure unit which is directly related to the psi pressure unit by a factor of 144 (1 sq ft = 12 in x 12 in = 144 sq in). It is the pressure resulting from a force of one pound-force applied to an area of one square inch. 5 pound N per 1,000 square feet to the turf: Thus, in this example: Second, determine the weight of fertilizer that must be applied in the calibration run to have your spreader deliver 1. So, to convert directly from bar to pounds per square inch, you multiply by 14. 3000 psi convert to pounds per square foot for load rating capacity? Density means pounds per cubic foot. 1 lbm/ac ≈ 0. To stay in level flight , what should your air speed indicate? Given that there are 144 square inches per square foot, 100,000 pounds per sqaure foot equals 694. Beginning in 1965, the pressure base is 14. The pound per square inch or, more accurately, pound-force per square inch (symbol: lbf/in 2; abbreviation: psi) is a unit of pressure or of stress based on avoirdupois units. references. To stay in level flight , what should your air speed indicate? Using the price per square foot method with home “A” selling at $400,000 would give you a price per square foot of $142. 6 Mph), Zone "B" is 40 Psf (100 Mph), Zone "C" is 50 Psf (111. newton per square meter N/m silicon controlled rectifier SCR ohm 6 square foot ft ounce (avoirdupois) oz square inch in per unit pu square meter m phase modulation PM square yard yd picoampere pA standing-wave ratio SWR picofarad pF television interference TVI picosecond ps tesla T picowatt pW thousand circular mils kcmil pound lb transverse . 2: Enter the value you want to convert (pound per square foot). To switch the unit simply find the one you want on the page and click it. Heavy Duty: Up to 75 pounds per square foot (367 kg/m2) of platform area, evenly distributed. 88025 PASCAL's. 1. Foot-pound force, torque. 0. Then click the Convert Me button. The pound-force per square foot is a unit of measurement of pressure. 000 112 085 115 619 446 kg/m 2. 001. 2. 5 feet at sea level. To stay in level flight , what should your air speed indicate? Heads per Square Foot Heads per square foot is dictated by seeding rate, til-lering and tiller survival. 3000 psi convert to pounds per square foot for load rating capacity? 1 The U. 8193 = Lbs. If your formula is a 10-10-10, you have 10 percent nitrogen in the product. 454 kilograms 1 kilogram = 1,000 grams 1 liter = 1,000 grams 1 mg/kg or 1 ppm or 1 mg/L = 0. Meaning: PSI is the force applied on a surface with one square inch of area. SQUARE Diameter x Diameter x 3. The pressure on the flat surface from the block of steel equally distributed over the 1 square foot area is 100 psf. 6-6. 3 1. 1,000,000 Pounds Per Square Inch to Pounds Per Square Foot = 144000020. 1 Inch of Asphalt = 110 LBS / SY. 3000 psi convert to pounds per square foot for load rating capacity? A lawn that has an area of 25,000 square feet will require 25 times the amount of fertilizer that is needed for only 1,000 square feet. at a rate of one foot per second, he declared it one horsepower. 1 cubic foot = 62. 4800 ft2 / 43,560 ft2 per acre = 0. Step 4. To convert up to 1,000 square feet simply multiply . Estimated Storage Unit Size = 5 x 10 or 5 x 15 Unit. e. 0001% 1% = 10,000 mg/L 1 mg/L = 1,000 µg/L. One square foot of 1. Application: It is mostly used in wastewater management, fuel storage and distribution, tire pressure, and so on. When tightening a bolt, “R” would be the length of your wrench. 5 MeV accelerator. Micronewton metre (µN·m) Millinewton metre Newton metre (Nm) Kilonewton metre (kN·m) Meganewton metre (MN·m) Pound-force foot Pound-force inch (lbf·in) Ounce-force foot (ozf·ft) Ounce-force inch (ozf·in . Divide the number of pounds the square feet will be subjected to by the number of square feet. 757 Pa. 083 . TUBULARSTEEL. One square foot can be translated to 0. An international pound of 0. per 1,000 sq. 30 psf). Architectural Asphalt. [It was most likely shortened from "Kilo-Pound"] So, when you see a notation like "kpf", think "kips per foot". Density means pounds per cubic foot. 4 atm = 846 pounds per square foot: 1 / 2 atm = 1060 pounds per square foot: 0. What does “pounds per square foot” mean to me when evaluating e-beam dose penetration? By ebeam | Published: February 27, 2014 You may hear the limitation of “up to 8 pounds per square foot” regarding the penetrating capability of a 4. 2904 = Lbs. 73 psia at 60° Fahrenheit. Abbreviation/Symbol: lb/ft2; psf; Unit of: Pressure; Worldwide use: Mainly used in Britain and the United States; Definition: 1 psf is the pressure exterted by one pound-force of force being applied to an area of one square foot. Thus, five pounds of a 20% nitrogen fertilizer applied per 1,000 square feet to a lawn that covers 25,000 square feet requires a total of 125 (five pounds of fertilizer multiplied by 25) pounds of fertilizer. But these stronger concretes are also more durable, meaning they last longer. 9437 = Lbs. This uniformly distributed load is designed to apply on the above grade bridge deck but It does not apply to below ground structures per ASTM C1577. 50-80 pounds. 3000 psi convert to pounds per square foot for load rating capacity? Table 8. 100,000 Pounds Per Square Inch to Pounds Per Square Foot = 14400002. 0-5. Pounds per square foot. 4 1. Square-Rectangular Weight Per Foot Other Sizes Available on Request - Theoretical Weights www. 65 psia (pounds per square inch absolute) at 60° Fahrenheit. 8854. 049 . a 48" X 18" footprint is indeed 6 sq ft. 3000 psi convert to pounds per square foot for load rating capacity? While other industries standardize measurements to pounds, square feet and other single measurements, the printing industry can’t seem to agree on one system. 104 pounds. How much is needed for a 4800-square-foot area? Remember that one acre equals 43,560 square feet. Average Weight Per Square. 7854 A = π x R2 A = π x D2 ÷ 4 Circumference = 2 x R x π Circumference = π x D Given that there are 144 square inches per square foot, 100,000 pounds per sqaure foot equals 694. Example 2 - An engine can lift water 22. An acre of 660 by 66 international feet. For SI: 1 pound per square foot = 0. 5 grains = 0. 4: add 5 pounds of lime per 100 square feet 6. A plot 10 x 10 feet (or 5 x 20 feet) would be 100 square feet (Fig. 8803 pascals. While other industries standardize measurements to pounds, square feet and other single measurements, the printing industry can’t seem to agree on one system. 400-430 pounds. Lightweight Concrete – approx. 2 lb of product. 47 feet per second. 6 pounds fertilizer per 1,000 square feet. 9 atm = 1900 pounds per square foot: 1 atm . 86 per square foot. Sometimes, the force of the modern hydraulic press is measured in pounds per square inch or square foot. Fertilizer conversions for specified square feet and row area FER TI LIZE R RATE FOR SPECIFIC AREAS MATERIAL GROUPED BY APPROXIM ATE WEIGHT PER PINT Per 10 feet of row spaced** Recommended rate per acre* lb 100 sq ft lb 10 00 sq ft lb 10 sq ft tbs 100 sq ft pt 1 ft tbs 2 ft tbs 3 ft cup 10 oz per pint Sulfur or 100 0. 003104 pounds per square feet. Estimated Storage Unit Size = 5 x 15 or 10 x 10 Unit. Engineers use kips since it makes the numbers much easier to work with (especially in the days of slide rules) and reduces errors caused by lost zeros. 45359237 kilograms. Also, remember that older shingles will weigh less as they are worn down by the elements over time. Energy Information Administration reports natural gas in volumes of cubic feet through 1964 at a pressure base of 14. Pound-force per square foot (psf) is a unit of pressure where a force of one pound-force (lbf ) is applied to an area of one square foot (ft²). The strength of concrete is measured in pounds per square inch (PSI) and is a measurement of the concrete’s ability to carry loads or handle compression. For example, to convert from bar to pounds per square inch you would multiply by 100000 then divide by 6894. 0 Inches of Asphalt = 220 LBS / SY. The vast majority of pneumatic tools in today’s factories require PSI in the range of 40 to 90 to pass sufficient pressure to an end-point application. 0022 pounds/ton or 0. This is a conversion chart for pound per square foot (British and U. com Square Rect. 4032 = Lbs. a When soil tests are required by Section R401. 060071749 lb/ft². For comparison a square foot of 1. The calculator will display the amount of seed you need in total pounds, as well as pounds per 1000 square feet (sq. (Imperial system)). Given that there are 144 square inches per square foot, 100,000 pounds per sqaure foot equals 694. Your F-22 weighs 56,450 pounds, with a wing area of 830 square feet. Limerock/Granite GAB = 105 LBS per Inch per Square Yard. Per Foot TUBE O. PSIG stands for Pounds per Square Inch Gauge. Are you sure your engineer didn't mean 40 PSI (pounds per square inch)? 40lbs per sq foot would mean that if you weighed more than 40#'s and stood in one spot, less than the size of a large floor tile, the floor would collapse under your weight. - Wall x Wall x 10. 2 . Get more information and details on the 'lbs/square foot' measurement unit, including its symbol, category, and common conversions from lbs/square foot to other pressure units. Now you know your fertilizer application rate is 20 pounds. To maintain an altitude of 45,000 feet at a constant speed requires an angle of attack of 4° . D. 134 3/16 1/4 5/16 3/8 1/2 5/8 The pound-force per square foot is a unit of measurement of pressure. It measures the relationship between weight and volume of an item. Asphalt = 110 LBS per Inch per SY. Area. Read below for more information. If a garden is 30 feet long and the rows are 3 feet apart, each row is almost 100 square feet. 4: no lime is needed 7. 109 . Lbs/square foot is a measure of pressure. • Rules of thumb around the construction industry are 200 pounds per square foot for a single-level home, 275 for two levels and 350 for three levels. Sand = 2,700 LBS per Cubic Yard. /sec/sec). The Design Lane Load is equal to 640 pounds per linear foot. Sorry boys and girls but house “B” sure as shit is not going to be selling for $142. Pounds or pound force per square inch (psi, lb/in², pfsi or lbf/in²) is a widely used British and American unit of measure for pressure. Most of the United States is in Zone A, a small part is in Zone B, and a very small part in zone C. 230-250 pounds. Type. A higher psi means a given concrete mixture is stronger, so it is usually more expensive. The higher the number, the stronger the concrete. For example, when James Watt determined that a horse could lift 550 lbs. Estimated Square Feet: 1,000 Estimated Weight: 6,000 . , a 4’x8’ extension platform with a 150 psf capacity can support up to 4800 lbs . 48 kpf would be equal to 480 pounds per foot. A “Design Truck “is same as the HS-20 load. Note: Kilogram per square meter is a metric unit of surface density. what does pounds per square foot mean