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CURRENT MOON

 
United States Unit of Measure
 
United States Units of Measure

Linear Measure
12 inches = 1 foot
3 feet = 1 yard
5 1/2 yard = 1 rod
40 rod = 1 furlong
8 furlongs (5280 ft) = 1 statute mile

 

Mariners' Measure
6 feet = 1 fathom
1000 fathoms (approx.)
(see Misc. Measure)		 = 1 nautical mile
3 nautical miles = 1 league

  

Square Measure

144 square inches = 1 square foot
9 square feet = 1 square yard
30.25 square yards = 1 square rod
160 square rods = 1 acre
640 square acres = 1 square mile

 

Cubic Measure
1728 cubic inches = 1 cubic foot
27 cubic feet = 1 cubic yard

 

Surveyors' Measure
7.92 inches = 1 link
100 links = 1 chain

 

Liquid Measure
4 gills = 1 pint
2 cups = 1 pint
2 pints = 1 quart
4 quarts = 1 gallon
31.5 gallons = 1 barrel
2 barrel = 1 hogshead

 

Apothecaries' Fluid Measure
60 minims = 1 fluid dram
8 fluid drams = 1 fluid ounce
16 fluid ounces = 1 pint
2 pints = 1 quart
4 quarts = 1 gallon

 

Dry Measure
2 pints = 1 quart
8 quarts = 1 peck
4 peck = 1 bushel

 

Wood Measure
16 cubic feet = 1 cord foot
8 cord feet = 1 cord

 

Time Measure
60 seconds = 1 minute
60 minutes = 1 hour
24 hours = 1 day
7 days = 1 week
4.333 weeks (avg.) = 1 month
12 months (365-366 days) = 1 year
10 years = 1 decade
10 decades = 1 century

 

Angular and Circular Measure
60 seconds = 1 minute
60 minutes = 1 degree
90 degrees = 1 right angle
180 degrees = 1 straight angle
360 degrees = 1 circle

 

Troy Weight
24 grains = 1 pennyweight
20 pennyweights = 1 ounce
12 ounces = 1 pound

 

Avoirdupois Weight
27 11/32 grains = 1 dram
16 drams = 1 ounce
16 ounces = 1 pound
100 pounds = 1 short hundredweight
20 short hundredweight = 1 short ton (see Misc. Measure)

 

Apothecaries Weight
20 grains = 1 scruple
3 scruples = 1 dram
8 drams = 1 ounce
12 ounces = 1 pound

 

Misc. Measure
1 nautical mile = 6080 feet
1 international nautical mile = 1.852 kilometers or
6076.1155 feet
1 international air mile = 1.852 kilometers or
6076.1155 feet
1 short ton (U.S. unit) = 2000 avoirdupois pounds
1 long ton (Great Britain unit) = 2240 avoirdupois pounds
Speed of Light = 299,792,458 meters/second or
186,282.4 miles/second
Light-year = 9.46 trillion km (approx.) or
5.88 trillion mi. (approx.)

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