=

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 U. S. gallons = 35.31 cubic feet

1 grain per gallon (gpg) = 17.118 milligrams/liter (mg/L)

= 17.118 parts per million (ppm)

1 metric ton (M ton) = 1,000 kilograms = 2,204.62 pounds avoirdupois

1 U. S. standard pound avoirdupois = 453.592 grams

1 kilogram = 2.205 U. S. standard pounds avoirdupois

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 (MW), =

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