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Common Plumbing abbreviations AGA: American Gas Association Brs: Brass CP: Chrome Plated CC: Copper x Copper CWT: Copper Water Tube Dia: Diameter DC: Die Cast Fct: Faucet FGH: Female Garden Hose FHT: Female Hose Thread FIP: Female Iron Pipe FIPS: Female Iron Pipe Size FPT: Female Pipe Thread Gal: Gallon GPF: Gallons Per Flush GPM: Gallons Per Minute Ga: Gauge Hdl: Handle Hd: Head Hgt: Height ID: Inside Diameter IPS: Iron Pipe Size MGH: Male Garden Hose MHT: Male Hose Thread MIP: Male Iron Pipe MIPS: Male Iron Pipe Size MPT: Male Pipe Thread Mil: 1/1000 Inch Nom: Nominal NPSH: National Pipe Straight Hose NPST: National Straight Pipe Thread Oz: Oounce OD: Outside Diameter PSI: Pounds Per Square Inch Pln: Plain Pt: Point PB: Polished Brass SF: Satin Finish SS: Stainless Steel SWT: Sweat THD: Thread

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Weights
1 U.S. Gallon of Water 1 Cu. Foot of Water 1 Imperial Gallon 1 Liter	8.3357 Pounds 62.3554 Pounds 10.0 Pounds 2.2 Pounds
Pressures
1 Atmosphere 1 Atmosphere 1 Pound per Square Inch 1 Pound per Square Inch 1 Foot of Head 1 Inch of Water Column 1 Kilogram/sq. Centimeter 1 Foot of Water	33.94 Ft. of Water @ 62°F 14.6963 lbs./sq. Inch 2.31 Feet of Head 27.7612 Inches of Water .433 Pounds/sq. Inch .0360 Pounds/sq. Inch 14.22 lbs./sq. Inch 62.3554 lbs./sq. Foot
Flows
1 Gallon/Minute (U.S.) 1 Gallon/Minute (U.S.) 1 Gallon/Minute (U.S.) 1 Gallon/Minute (U.S.) 1 Gallon/Minute (U.S.) 1 Gallon/Minute (U.S.) 1 Cubic Ft. per Second 1 Liter per Second 1 Acre Inch per Hour 1 Acre Foot per Day 1,000,000 Gallons per Day 1 Cubic Ft. per Second	.002228 cu. ft./Second .13368 cu. ft./Minute 8.0208 cu. ft./Hour .06309 Liters/Second 3.78533 Liters/Minute .0044192 Acre Ft./24 Hrs. 448.83 GPM 15.85 GPM 452.57 GPM 226.3 GPM 694.4 GPM .992 Acre Inches/Hr.
Volume
1728 Cubic Inches 231 Cubic Inches 27 Cubic Feet 1 Cubic Foot 1 Cubic Yard 16 Drams 32 Ounces 4 Quarts 1 Gallon 1 Gallon 1 Gallon 27.154 Gallons 325,851 Gallons 1,000,000 Gallons 1 Acre Foot Volume of a Cube Volume of a Pyramid Volume of a Sphere	1 Cubic Foot 1 Gallon 1 Cubic Yard 7.48052 Gallons (U.S.) 202 Gallons (U.S.) 1 Ounce 1 Quart 1 Gallon 3.785 Liters .00379 Cubic Meters .833 Imperial Gallon 1 Acre Inch 1 Acre Foot 3.0689 Acre Feet 43,560 Cubic Feet Area of Base x Height 1/3 Area of Base x Height Diameter Cubed x .5236
Power
Horse Power	GPM x Total Head (Ft.) 3960 x Pump Efficiency
Pump Efficiency	GPM x Total Head (Ft.) 3960 x BHP to Pump
1 Horse Power 1 Horse Power 1 Horse Power	33,000 Ft. Pounds/Minute 746 Watts .746 Kilowatts

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Weight of 100' of pipe filled with water
Pipe Size	Plastic (125#)	Iron (Sch 40)
1" 1¼" 1½" 2"	57 lbs. 97 lbs. 130 lbs. 217 lbs.	206 lbs. 293 lbs. 360 lbs. 512 lbs.

Comparing Flow rate to Velocity (in type 'L' copper)
Size (Nom)	@ 3.0'/Second	@ 3.5'/Second	Suggested Max. Flow Rate
½" ¾" 1" 1¼" 1½" 2"	2.2 gpm 4.5 gpm 7.5 gpm 12.0 gpm 17.0 gpm 29.0 gpm	2.64 gpm 5.40 gpm 9.00 gpm 14.40 gpm 20.40 gpm 34.80 gpm	2.2 gpm 4.8 gpm 9.0 gpm 14.4 gpm 20.4 gpm 34.8 gpm

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Water Flow Rate Guide
Gallons Per Minute (GPM)	Seconds to fill a quart jar.	Seconds to fill a gallon jug.
0.75 1.00 1.50 2.00 2.50 3.00 3.50 4.00	20.00 * 15.00 * 10.00 * 7.50 5.00 4.50 4.25 3.75	80 60 40 30 * 24 * 20 * 17 * 15 *
* most practical

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Head Loss per 100' - Type 'L' Copper Tubing
Size	Velocity (FPS)	GPM	Head Loss
½" ¾" 1" 1¼" 1½" 2" 2½" 3" 4"	5 5 6 6 7 7 8 8 8	3.64 7.54 15.43 23.50 38.81 67.52 119.00 170.00 299.00	10.12 6.59 7.10 5.30 6.03 4.17 4.35 3.54 2.43

Head Loss per 100' - Sch.40 PVC
½"	GPM Head Loss ½ 0.40' 1 1.28' 1½ 2.58' 2 4.24' 2½ 6.25' 3 8.59' 3½ 11.25' 4 14.22' 4½ 17.50' 5 21.07'
¾"	GPM Head Loss 1 0.35' 2 1.16' 3 2.34' 4 3.86' 5 5.71' 6 7.86' 7 10.32' 8 13.07' 9 16.10' 10 19.41'
1"	GPM Head Loss 2 0.35' 3 0.70' 4 1.14' 5 1.69' 6 2.32' 7 3.04' 8 3.85' 9 4.74' 10 5.71' 12 7.88' 14 10.36'
1¼"	GPM Head Loss 5 0.51' 6 0.70' 7 0.91' 8 1.15' 9 1.42' 10 1.71' 12 2.35' 15 3.49' 20 5.81' 25 8.65' 30 11.98'
1½"	GPM Head Loss 8 0.55' 9 0.67' 10 0.81' 12 1.12' 15 1.65' 20 2.75' 25 4.09' 30 5.65' 35 7.45' 40 9.45' 45 11.68'
2"	GPM Head Loss 16 0.55' 18 0.68' 20 0.82' 25 1.22' 30 1.68' 35 2.21' 40 2.80' 45 3.46' 50 4.17' 60 5.79' 70 7.63' 80 9.70'
2½"	GPM Head Loss 35 0.88' 40 1.12' 45 1.38' 50 1.66' 60 2.30' 70 3.03' 80 3.85' 90 4.75' 100 5.74' 110 6.82' 120 7.98' 130 9.22'
3"	GPM Head Loss 50 0.63' 60 0.87' 70 1.15' 80 1.45' 90 1.80' 100 2.17' 110 2.57' 120 3.01' 130 3.47' 140 3.97' 150 4.50' 160 5.05'

The above is free as a courtesy - accuracy is not guaranteed.