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Measurement Conversion Tables

Approximate Measures: Liquids
1 fl oz = 30 mL
1 cup (8 fl oz) = 240 mL
1 pint (16 fl oz) = 480 mL
1 quart (32 fl oz) = 960 mL
1 gallon (128 fl oz) = 3800 mL
 
1 teaspoon = 5 mL
1 tablespoon = 15 mL

Approximate Measures: Weights
1 oz = 30 g
1 lb (16 oz) = 480 g
15 grains = 1 g
1 grain = 60 mg

Apothecary Equivalents: Weight
1 scruple  =
20 grains (gr) 
60 grains  =  1 dram 
8 drams  =  1 ounce
1 ounce  =  480 grains
16 ounces  =  1 pound (lb)

Apothecary Equivalents: Volume
60 minims  = 1 fluidram 
8 fluidrams  =  1 fluid ounce 
1 fluid ounce  =  480 minims
16 fluid ounces  =  1 pint (pt)


Exact Equivalents
1 g = 15.43 grains
1 grain = 64.8 mg
1 mL = 16.23 minims
1 Minim = 0.06 mL
1 oz = 28.35 g
1 lb = 453.6 g (0.4536 kg)
1 kg = 2.2 lb
1 fluid oz (fl oz) = 29.57 mL
1 pint (pt) = 473.2 mL
1 quart (qt) = 946.4 mL
 
0.1 mg = 1/600 grain (gr)
0.12 mg = 1/500 gr
0.15 mg = 1/400 gr
0.2 mg = 1/300 gr
0.3 mg = 1/200 gr
0.4 mg = 1/150 gr
0.5 mg = 1/120 gr
0.6 mg = 1/100 gr
0.8 mg = 1/80 gr
1 mg = 1/65 gr
 
1 kg = 1000 g
1 g = 1000 mg
1 mg = 1000 mg




 More Unit Conversions

MASS
1 kg = 1,000 g = 1,000,000 mg = 2.204622621848776 lbs = 35.273368606701936 oz
1 g = 0.002204622621849 lbs = 0.035273368606702 oz = 15.432360734518642 grains
1 lbs = 16 oz = 453.59237 g = 453592.37 mg = 7000 grains
1 oz = 0.062501051329413 lbs = 28350 mg = 28.350 g = 437.5074268236035 grains

VOLUME
1 l = 1000 cm3 or ml = 0.001 m3 = 0.035315 ft3 = 0.26417 US gal = 61.024 inch3 = 0.001308 yard3 = 33.81376 fluid oz
1 US gal = 128 fluid oz = 3.7854 l
1 fluid oz = 29.57 ml
1 ml =  fluid oz
1 Acre Foot = 325,851 gallons
1 Acre Foot = 43,560 cubic feet
1 Cubic Foot = 7.4805 gallons

LENGTH
1 m = 100 cm = 1,000 mm = 1,000,000 micron = 100,000,000,000 Angstrom
1 m = 3.28083989501312 ft = 39.3700787401575 inches
1 ft = 12 inches = 0.3048 m
1 inch = 2.54 cm
1 cm = 0.3937008 inches

TEMPERATURE
1 C degree = 1.8 F degrees
1 F degree = 5/9 C degrees
Fahrenheit to Centigrade or Celsius: (°F – 32) X 5/9 = °C
Centigrade or Celsius to Fahrenheit: (°C X 9/5) + 32 = °F
 

  The US System of Measurements 
         Length                                 Area
  12 inches   = 1 foot                   144 sq. inches = 1 square foot
   3 feet     = 1 yard                     9 sq. feet   = 1 square yard
 220 yards    = 1 furlong               4840 sq. yards  = 1 acre
   8 furlongs = 1 mile                   640 acres      = 1 square mile
5280 feet     = 1 mile                     1 sq.mile    = 1 section
1760 yards    = 1 mile                    36 sections   = 1 township

          Volume
1728 cu. inches = 1 cubic foot
  27 cu. feet   = 1 cubic yard

      Capacity (Dry)                        Capacity (Liquid)
                                         16 fluid ounces = 1 pint
   2 pints   = 1 quart                    4 gills        = 1 pint
   8 quarts  = 1 peck                     2 pints        = 1 quart
   4 pecks   = 1 bushel                   4 quarts       = 1 gallon (8 pints)

         Mass
437.5 grains = 1 ounce                      Troy Weights
 16 ounces   = 1 pound (7000 grains)    24 grains        = 1 pennyweight
 14 pounds   = 1 stone                  20 pennyweights  = 1 ounce (480 grains)
100 pounds   = 1 hundredweight [cwt]    12 ounces        = 1 pound (5760 grains)
 20 cwt      = 1 ton (2000 pounds)

   Apothecaries' Measures                 Apothecaries' Weights
 60 minims    = 1 fl.dram               20 grains   = 1 scruple
  8 fl.drams  = 1 fl.ounce               3 scruples = 1 dram
 16 fl.ounces = 1 pint                   8 drams    = 1 ounce (480 grains)
                                        12 ounces   = 1 pound (5760 grains)


Summary table of conversion factors most often needed
x means 'multiply by' . . . / means 'divide by' . . . # means it is an exact value
All other values given to an appropriate degree of accuracy.

To change . . into . . do this . .
To change . . into . . do this . .

acres hectares x 0.4047
kilograms ounces x 35.3

acres sq. kilometres / 247
kilograms pounds x 2.2046

acres sq. metres x 4047
kilograms tonnes / 1000 #

acres sq. miles / 640 #
kilograms tons (UK/long) / 1016

barrels (oil) cu.metres / 6.29
kilograms tons (US/short) / 907

barrels (oil) gallons (UK) x 34.97
kilometres metres x 1000 #

barrels (oil) gallons (US) x 42 #
kilometres miles x 0.6214

barrels (oil) litres x 159
litres cu.inches x 61.02

centimetres feet / 30.48 #
litres gallons (UK) x 0.2200

centimetres inches / 2.54 #
litres gallons (US) x 0.2642

centimetres metres / 100 #
litres pints (UK) x 1.760

centimetres millimetres x 10 #
litres pints (US liquid) x 2.113

cubic cm cubic inches x 0.06102
metres yards / 0.9144 #

cubic cm litres / 1000 #
metres centimetres x 100 #

cubic cm millilitres x 1 #
miles kilometres x 1.609 

cubic feet cubic inches x 1728 #
millimetres inches / 25.4 #

cubic feet cubic metres x 0.0283
ounces grams x 28.35

cubic feet cubic yards / 27 #
pints (UK) litres x 0.5683

cubic feet gallons (UK) x 6.229
pints (UK) pints (US liquid) x 1.201

cubic feet gallons (US) x 7.481
pints (US liquid) litres x 0.4732

cubic feet litres x 28.32
pints (US liquid) pints (UK) x 0.8327

cubic inches cubic cm x 16.39
pounds kilograms x 0.4536

cubic inches litres x 0.01639
pounds ounces x 16 #

cubic metres cubic feet x 35.31



____________ ____________ ______________
_____________ _____________ __________

To change . . into . . do this . .
To change . . into . . do this . .





square cm sq. inches x 0.1550

feet centimetres x 30.48 #
square feet sq. inches x 144 #

feet metres x 0.3048 #
square feet sq. metres x 0.0929

feet yards / 3 #
square inches square cm x 6.4516 #

fl.ounces (UK) fl.ounces (US) x 0.961
square inches square feet / 144 #

fl.ounces (UK) millilitres x 28.41
square km acres x 247

fl.ounces (US) fl.ounces (UK) x 1.041
square km hectares x 100 #

fl.ounces (US) millilitres x 29.57
square km square miles x 0.3861

gallons pints x 8 #
square metres acres / 4047

gallons (UK) cubic feet x 0.1605
square metres hectares / 10 000 #

gallons (UK) gallons (US) x 1.2009
square metres square feet x 10.76

gallons (UK) litres x 4.54609 #
square metres square yards x 1.196

gallons (US) cubic feet x 0.1337
square miles acres x 640 #

gallons (US) gallons (UK) x 0.8327
square miles hectares x 259

gallons (US) litres x 3.785
square miles square km x 2.590

grams kilograms / 1000 #
square yards square metres / 1.196

grams ounces / 28.35
tonnes kilograms x 1000 #

hectares acres x 2.471
tonnes tons (UK/long) x 0.9842

hectares square km / 100 #
tonnes tons (US/short) x 1.1023

hectares square metres x 10000 #
tons (UK/long) kilograms x 1016

hectares square miles / 259
tons (UK/long) tonnes x 1.016

hectares square yards x 11 960
tons (US/short) kilograms x 907.2

inches centimetres x 2.54 #
tons (US/short) tonnes x 0.9072

inches feet / 12 #
yards metres x 0.9144 #
 
 
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