Measurement

Units of Length

  • 1 pica = 12 points
  • 1 inch = 6 pica
  • 1 foot = 12 inch
  • 1 yard = 3 feet
  • 1 fathom = 2 yards
  • 1 furlong = 660 feet
  • 1 mile = 5280 feet
  • 1 nautical mile = 6076 feet
  • 1 league = 3 miles

Factoid: 1 meter is about 39 inches.

Units of Weight

  • 1 pound = 16 ounces
  • 1 ton = 2000 pounds

Factoid: 1 ton is about 0.9 metric ton.

Units of Area

  • 1 acre = 43560 square feet
  • 1 section = 640 acres
  • 1 square mile = 640 acres

Factoid: 1 square mile  =  2.59 square kilometers.

Units of Volumes

  • 1 cubic inch = 16.387064 milliliters
  • 1 cubic foot = 1728 cubic inches
  • 1 cubic yard = 27 cubic feet

Factoid: 1 cubic yard is about 0.765 cubic meters.

Fluid Volume

  • 1 tablespoon = 3 teaspoons
  • 1 cup = 16 tablespoons
  • 1 cup = 8 fluid ounces
  • 1 pint = 2 cups
  • 1 quart = 2 pints
  • ½ gallon = 2 quarts
  • 1 gallon = 4 quarts
  • 1 barrel = 31.5 gallons
  • 1 oil barrel = 42 gallons

Factoid: 1 Gallon is about 3.8 liters.

Units of Length

  • 1 centimeter = 10 millimeters
  • 1 centimeter = 10 millimeters
  • 1 meter = 1000000000 nanometers
  • 1 meter = 1000000 micrometers
  • 1 meter = 1000 millimeters
  • 1 meter = 100 centimeters
  • 1 kilometer = 1000 meter

Factoid: 1.609 kilometers is about 1 mile. 1 inch is about 2.54 centimeters.

Units of Weight

  • 1 gram = 1000000000 nanogram
  • 1 gram = 1000000 microgram
  • 1 gram = 1000 milligram
  • 1 kilograms = 1000 grams
  • 1 tonne = 1000 kilograms
  • 1 metric ton = 1 tonne

Factoid: 1 metric ton  is about  1.1 short tons.

Units of Area

  • 1 square meter = 1000000 square millimeters
  • 1 square meter = 10000 square centimeters
  • 1 square meter
  • 1 hectare = 10000 square meters
  • 1 square kilometer = 1000000 square meters

factoid: 1 hectare is 1 hectometer. 1 hectare is about 2.5 acres.

Units of Volume

  • 1 liter = 1000000 microliter
  • 1 liter = 1000 milliliters
  • 1 kiloliter = 1000 liters

Factoid: 1 liter  is about  1.06 quarts.

Prefixes

  • kilo = 1000
  • Deci = 1/10
  • Centi = 1/100
  • Milli = 1/1000
  • Micro = 1/1000000
  • Nano = 1/1000000000

Measures of time

  • 1 sec = 1000000000000 picoseconds
  • 1 sec = 1000000000 nanoseconds
  • 1 sec = 1000000 microseconds
  • 1 sec = 1000 milliseconds
  • 1 min = 60 seconds
  • 1 hour = 60 minutes
  • 1 day = 24 hours
  • 1 week = 7 days

Storage units for most computer storage devices

  • 1 byte = 8 bits
  • 1 kilobytes = 1000 bytes
  • 1 megabyte = 1000 kilobytes
  • 1 gigabyte = 1000 megabytes
  • 1 Terabyte = 1000 gigabytes

Storage units for Microsoft Windows and computer memory

  • 1 byte = 8 bits
  • 1 kilobytes = 1024 bytes
  • 1 megabyte = 1024 kilobytes
  • 1 gigabyte = 1024 megabytes
  • 1 Terabyte = 1024 gigabytes