Dosage Equivalents
1 teaspoon = 5 ml
1/2 teaspoon = 2.5 ml
1/4 teaspoon = 1.25 ml
1/5 teaspoon = 1 ml
1/8 teaspoon = .616 ml
100 drops = 1 teaspoon
50 drops = 1/2 teaspoon
25 drops = 1/4 teaspoon
12 drops = 1/8 teaspoon
1 fl oz = approx 30 ml
2 fl oz = approx 59 ml
3 fl oz = approx 89 ml
4 fl oz = approx 118 ml
8 fl oz = approx 237 ml
1 fl oz = 6 teaspoons
2 fl oz = 12 teaspoons
3 fl oz = 18 teaspoons
4 fl oz = 24 teaspoons
5 fl oz = 30 teaspoons
6 fl oz = 36 teaspoons
7 fl oz = 42 teaspoons
8 fl oz = 48 teaspoons
1 ml = 20 drops
2 ml = 40 drops
3 ml = 60 drops
conversions from U.S. to metric
may be approximate


Weights & Measurement Equivalents
Length
12 inches = 1 foot
3 feet = 1 yard
220 yards = 1 furlong
8 furlongs = 1 mile
5280 feet = 1 mile
1760 yards = 1 mile

Area
144 sq. inches = 1 square foot
9 sq. feet = 1 square yard
43,560 square feet = 1 acre
4840 square yards = 1 acre
640 acres = 1 square mile
1 sq.mile = 1 section
36 sections = 1 township

Volume
1728 cu. inches = 1 cubic foot
27 cu. feet = 1 cubic yard
Capacity (Liquid)
16 fluid ounces = 1 pint
4 gills = 1 pint
2 pints = 1 quart
4 quarts = 1 gallon
8 pints = 1 gallon
Capacity (dry)
16 fluid ounces = 1 pint
2 pints = 1 quart
8 quarts = 1 peck
4 pecks = 1 bushel
Mass/Weight
437.5 grains = 1 ounce
16 ounces = 1 pound (7000 grains)
14 pounds = 1 stone
100 pounds = 1 hundredweight [cwt]
20 cwt = 1 ton (2000 pounds)
Troy Weights
24 grains = 1 pennyweight
20 pennyweights = 1 ounce (480 grains)
12 ounces = 1 pound (5760 grains)
Apothecaries' Measures
60 minims = 1 fl.dram
8 fl.drams = 1 fl. ounce
16 fl. ounces = 1 pint
Apothecaries' Weights
20 grains = 1 scruple
3 scruples = 1 dram
8 drams = 1 ounce (480 grains)
12 ounces = 1 pound (5760 grains)

 

Cooking Measurement Equivalents (US)
1 teaspoon = 1/6 fl. ounce
1 Tablespoon = 1/2 fl. ounce
1 Tablespoon = 3 teaspoons
1/16 cup = 1 Tablespoon
1/8 cup = 2 Tablespoons
1/6 cup = 2 Tablespoons + 2 teaspoons
1/4 cup = 4 Tablespoons
1/3 cup = 5 Tablespoons + 1 teaspoon
3/8 cup = 6 Tablespoons
1/2 cup = 8 Tablespoons
2/3 cup = 10 Tablespoons + 2 teaspoons
3/4 cup = 12 Tablespoons
1 cup = 48 teaspoons
1 cup = 16 Tablespoons
1 cup = 8 fluid ounces
2 cups = 1 pint
2 cups = 16 fluid ounces
4 cups = 1 quart
4 cups = 32 fluid ounces
8 cups = 4 pints
8 cups = 1/2 gallon
8 cups = 64 fluid ounces
1 quart = 2 pints
4 quarts = 1 gallon
4 quarts = 128 fluid ounces
1 gallon = 4 quarts
16 ounces = 1 pound