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1 nautical or geographical mile = 6,076.12 feet = 1,852.00 meters

1 statute mile = 5,280 feet = 1,609.35 meters

1 knot = 1 nautical mile per hour = 1.151 statute miles per hour

= 1.69 feet per second (ft/sec)

1 cubic meter - 264.2 V. S. gallons = 35.31 cubic feet

1 cubic foot = 7.48 U. S. gallons

1 oilfield barrel = 42 U. S. gallons = 159 liters

Parts per million (ppm)

milligrams per liter (mg/L)

Parts per thousand (ppt) milligrams per milliliter (mg/mL)

= grams/liter (g/L) 1 grain

= 0.064798918 grams

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Weight of fresh water at 4° C = 62.43 pounds per cubic foot

= 8.346 pounds per gallon

Average specific gravity of sea water - 1.025
Average weight of sea water at 4° C = 63.99 pounds per cubic foot

= 8.555 pounds per gallon

1 megawatt (MN), = 1,000,000 watts (W) = 1,340 horsepower (hp)

1 British Thermal Unit (BTU) = heat required to raise the

temperature of one pound of water at its maximum density 1° F.

1 horsepower (hp)

= 42.418 BTU per minute : 746 watts

1 kilowatt-hour (kwh)

= 1,000 watt-hours (wh)
= 1.341 horsepower-hours (hph)
= 3,413 BTU

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4200

14000 4400 4600 + 15000 4800

16000 30005200+17000 5400

18000 5600 5800+ 19000 6000

20000 6200 6400+ 21000 6600

22000 68007000 + 23000 7200

24000 74007600+ 25000 7800

26000 80008200 27000 8400

28000 86008800 + 29000

210

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9000 t

1 300

9200

30000

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50

51

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