Units of Measure



Units of Measure

Units of Measure Calculators | Liquid Conversion Chart | Dry Conversion Chart | Common Abbreviations | Converting Different Units of Measure | US Units of Measure | Metric Units of Measure | British Units of Measure

The Units of Measure Calculators are provided in addition to the Conversion Charts to help convert units of measure from metric to US measures. You may specify the decimal place you want the calculation to round to by selecting the number of decimal places in the dropdown list.

To calculate, select the appropriate Unit of Measure:

Liquid Measure Calculator Dry Measure Calculator
Weight Measure Calculator Length Measure Calculator

Units of Measure Conversion Chart

LIQUID MEASURES
United States British Metric
tsp Tbsp fl oz c pt qt gal Gill   ml l
1/4 1/12 1/24           1/4 tsp 1.2 .001
1/2 1/6 1/12           1/2 tsp 2.5 .002
3/4 1/4 1/8           3/4 tsp 3.7 .004
1 1/3 1/6           1 tsp 5 .005
1 1/2 1/2 1/4           1 1/2 tsp 7 .007
2 2/3 1/3           2 tsp 10 .010
2 1/2 5/6 2/5           2 1/3 tsp 12 .012
3 1 1/2 1/16         2 2/3 tsp 15 .015
4 1 1/3 2/3 1/12         1 Tbsp 20 .020
5 1 2/3 5/6 1/9         1 1/4 Tbsp 25 .025
6 2 1 1/8         1 1/2 Tbsp 30 .030
12 4 2 1/4 1/8 3/50 1/64 1/2 3 Tbsp 59 .059
18 6 3 3/8 1/6 1/11 1/43 3/4 4 Tbsp 89 .089
24 8 4 1/2 1/4 1/8 1/32 1 1/6 pt 118 .118
36 12 6 3/4 1/3 1/6 3/64 1 1/2 1/4 pt 177 .177
48 16 8 1 1/2 1/4 1/16 2 1/3 pt 237 .237
96 32 16 2 1 1/2 1/8 4 2/3 pt 473 .47
120 40 20 2 1/2 1 1/5 3/5 1/6 5 1 pt 591 .59
144 48 24 3 1 4/9 5/7 1/5 6 1 1/4 pt 710 .71
192 64 32 4 2 1 1/4 8 1 2/3 pt 946 .946
384 128 64 8 4 2 1/2 16 3 1/4 pt 1893 1.893
492 164 82 10 5 2 1/2 2/3 20 2 qts 2425 2.425
576 192 96 12 6 3 3/4 24 2 1/2 qts 2839 2.839
768 256 128 16 8 4 1 32 3 qts 3785 3.785
960 320 160 20 10 5 1 1/4 40 1 gal 4732 4.732
1152 384 192 24 12 6 1 1/2 48 1 1/4 gal 5678 5.678
1344 448 224 28 13 7 1 3/4 56 1 1/2 gal 6624 6.624
1536 512 256 32 15 8 2 64 1 3/4 gal 7571 7.571
1728 576 288 36 17 9 2 1/4 72 2 gal 8517 8.517
tsp Tbsp fl oz c pt qt gal Gills   ml l

 
DRY MEASURES
US and British Metric
tsp Tbsp oz c lb pt qt gal pk bu g
1/4 1/12                 1
1/2 1/6                 2
3/4 1/4                 4
1 1/3                 5
1 1/2 1/2                 7
2 2/3                 9
2 1/2 5/6                 12
3 1 1/2 1/16             14
4 1 1/3 2/3 1/12             19
5 1 2/3 5/6 1/9             24
6 2 1 1/8 1/16 1/16         28
12 4 2 1/4 1/8 1/8 1/16       57
18 6 3 3/8 1/5 1/5 1/10       85
24 8 4 1/2 1/4 1/4 1/8       113
36 12 6 3/4 3/8 3/8 3/16       170
48 16 8 1 1/2 1/2 1/4 1/16 1/32   227
96 32 16 2 1 1 1/2 1/8 1/16   454
120 40 20 2 1/2 1 1/4 1 1/4 5/8 5/16 5/32   567
144 48 24 3 1 1/2 1 1/2 3/4 3/16 3/32   680
192 64 32 4 2 2 1 1/4 1/8 1/32 907
384 128 64 8 4 4 2 1/2 1/4 1/16 1814
492 164 82 10 5 5 1/8 2 9/16       2325
576 192 96 12 6 6 3 3/4 3/8 3/32 2722
768 256 128 16 8 8 4 1 1/2 1/8 3629
960 320 160 20 10 10 5 1 1/4 5/8 5/32 4536
1152 384 192 24 12 12 6 1 1/2 3/4 3/16 5443
1344 448 224 28 14 14 7 1 3/4 7/8 7/32 6350
1536 512 256 32 16 16 8 2 1 1/4 7257
1728 576 288 36 18 18 9 2 1/4 1 1/8 9/32 8165
tsp Tbsp oz c lb pt qt gal pk bu g


  Common Abbreviations

tsp = Teaspoon c = Cup ml = Milliliter 60 drops = 1 tsp
Tbsp = Tablespoon pt = Pint l = Liter 1 dash = 1/8 tsp
oz = Ounce qt = Quart g = Gram A few grains = less than 1/8 tsp
fl oz = Fluid Ounce gal = Gallon lb = Pound
  
 

Units of measure used for the mixing of ingredients may require the conversion of quantities for several different measuring systems. Understanding the equivalent measures and the conversion process will almost always provide more successful results. Ingredient measures are separated into either liquid or dry measures. Within liquid or dry, there are United States, British (Imperial), and Metric units of measure. Each must be considered or converted when necessary to mix the right proportions.

In the United States, liquid ingredients, such as vinegar or milk, are measured the same as dry ingredients, such as sugar or flour. US measures are always considered as "level" measures. Ingredients in the measuring utensil are level with the line indicating the amount or the top of the utensil, while British Imperial measures are more than a level measure.

British (Imperial) names for the measure, such as teaspoon or tablespoon, are named the same as the United States units, however, the measured amounts are not the same for liquids but are the same for dry measures.

 

Converting Different
Units of Measure

It may be necessary to convert different units of measure, especially when preparing recipes from international cookbooks. The three basic measuring systems most commonly used are the U.S. system, the British Imperial system for liquid, and the Metric system. There are basic formulas that can be used to convert a measurement from one system to that of another.

Converting U.S. Liquid Measurements to British Liquid Measurements

If a person in Britain were preparing a dish from a recipe in an American cookbook, that person would have to use American measuring tools to measure liquids or would have to convert American liquid measurements to British. To convert American fluid ounces to British fluid ounces, multiply the American ounces by 1.04. It is also important to keep in mind that American and British fluid pints are the same in name only. An American fluid pint contains 16 American ounces while a British fluid pint contains 20 British ounces. If the American recipe called for a pint of a liquid, it would be equal to approximately 15 1/3 British fluid ounces.

Converting British Liquid Measurements to U.S. Liquid Measurements

If a person in America were preparing a dish from a recipe in a British cookbook, that person would have to use British measuring tools to measure liquids or would have to convert British liquid measurements to American. To convert British fluid ounces to American fluid ounces, divide the British ounces by 1.04. It is also important to keep in mind that British and American fluid pints are the same in name only. A British fluid pint contains 20 British ounces while an American fluid pint contains 16 American ounces. If the British recipe called for a pint of a liquid, it would be equal to approximately 1 1/3 American fluid pints.

Note: Dry measures in ounces and pounds and linear measures in inches and feet are the same in the American and British systems.

Converting U.S. Measurements to Metric Measurements

Length:

  • To convert inches to centimeters, multiply the number of inches by 2.54.
  • To convert feet to meters, divide the number of feet by 3.28.
  • To convert miles to kilometers, multiply the number of miles by 1.609.

Weight:

  • To convert ounces to grams, multiply the number of ounces by 28.35.
  • To convert pounds to kilograms, divide the number of pounds by 2.205.

Liquid Measure:

  • To convert ounces to milliliters, multiply the number of ounces by 29.573.
  • To convert ounces to liters, divide the number of ounces by 33.815.
  • To convert pints to liters, divide the number of pints by 2.114.
  • To convert quarts to liters, divide the number of quarts by 1.057.

Converting Metric Measurements to U.S. Measurements

Length:

  • To convert centimeters to inches, divide the number of centimeters by 2.54.
  • To convert meters to feet, multiply the number of meters by 3.28.
  • To convert kilometers to miles, divide the number of kilometers by 1.609.

Weight:

  • To convert grams to ounces, divide the number of grams by 28.35.
  • To convert kilograms to pounds, multiply the number of kilograms by 2.205.

Liquid Measure:

  • To convert milliliters to ounces, divide the number of milliliters by 29.573.
  • To convert liters to ounces, multiply the number of liters by 33.815.
  • To convert liters to pints, multiply the number of liters by 2.114.
  • To convert liters to quarts, multiply the number of liters by 1.057.

 

United States Units of Measure

In the United States, both dry and liquid ingredients are measured the same way using the same measuring device and the same unit of measure for volume. For example, a cup of liquid, such as vinegar or milk, will be measured the same as a cup of dry ingredients, such as sugar or flour. This applies to other units of measure as well, such as teaspoons, tablespoons, ounces, pints, and quarts. However, when comparing dry measures with liquid measures, there is a volume difference. For example, a pint of dry ingredients is approximately 1/6 larger than the corresponding liquid pint. Most often, raw fruits and vegetable are measured using dry measures, since the quantities are larger in volume.

Liquid Measures
Dry Measures
3 teaspoons = 1 tablespoon
2 tablespoons = 1 ounce
4 ounces = 1 gill
2 gills= 1 cup (8 ounces)
2 cups = 1 pint (16 ounces)
2 pints = 1 quart (32 ounces)
4 quarts = 1 gallon (128 ounces)
2 cups = 1 pint
2 pints = 1 quart
8 quarts = 1 peck
4 pecks = 1 bushel


 

Note: United States units of measure are always considered as "level" measures. When using a measuring utensil, the ingredients should be even with the top of the utensil or the line indicating the correct amount, such as a 1/2 cup or full cup line on a measuring cup.

 

Metric Units of Measure

The metric system is the most universally accepted measuring system in the world. It is a decimal system of measurement used for length, area, volume, and mass. Metric units of measure for length and area are based on the meter, which is slightly larger than a yard in the U.S. system. When measuring fluid volume with the metric system, the liter is the standard unit of measure. It is slightly large than a U.S. quart. Weight is measured in grams with 1000 grams equal to a kilogram, which is equal to about 2.2 pounds in the U.S. system.

Length
Volume
Weight
10 millimeters =
1 centimeter
100 milliliters =
1 deciliter
100 milligrams =
1 decigram
100 centimeters = 1 meter 10 deciliters = 1 liter 10 decigrams = 1 gram
1,000 meter = 1 kilometer 1,000 liters = kiloliter 1,000 grams = 1 kilogram

 

British (Imperial) Units of Measure

British (Imperial) units of measure are referred to in the same terms as in the U.S. system, such as feet and inches and ounces and pounds. British linear measurements are the same as linear measurements in the United States as are the measurement of dry ingredients in pints, quarts, pecks, bushels, and pounds. Liquid measures of volume are different, although the same names are used to describe units of measure such as teaspoons, tablespoons, fluid ounces, gills, cups, pints, quarts, and gallons. The British fluid ounce is equal to 1.04 times the American fluid ounce. The British pint contains 20 British ounces compared to the American pint which contains 16 American ounces. The British quart contains 2 British pints or 40 British ounces as compared to the American quart which contains 2 American pints or 32 American ounces. This means that a British fluid pint equals 20.8 American fluid ounces or 1 pint and 4.8 ounces. A British quart equals 41.6 American fluid ounces or 1 quart and 9.6 ounces.

British (Imperial) Liquid Units of Measure
5 British ounces = 1 gill
4 gills = 1 pint (20 British ounces)
2 pints = 1 quart (40 British ounces)
4 quarts = 1 gallon (160 British ounces)

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