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This is equal to about 61.6 μL (U.S.) or 59.2 μL (Britain). Pharmacists have since moved to metric measurements, with a drop being rounded to exactly 0.05 mL (50 μL, that is, 20 drops per milliliter). In hospitals, intravenous tubing is used to deliver medication in drops of various sizes ranging from 10 drops/mL to 60 drops/mL.
wineglassful (2-1/2 fl oz or 1/2 gill or 1/2 teacupful or 1/4 tumblerful) dessertspoonful (1/4 fl oz or 2 fl dr and equal to 2 teaspoonful or 1/2 tablespoonful) teaspoonful (1/8 fl oz or 1 fl dr and also equal to 1/2 dessertspoonful or 1/4 tablespoonful)
Metric measuring spoons, 1–125 mL Measuring Spoons, 1 ⁄ 8 thru 1 tablespoon Micro scoops for measuring milligram units of compounds; 6–10 mg (black), 10–15 mg (red), 25–30 mg (yellow) A measuring spoon is a spoon used to measure an amount of an ingredient, either liquid or dry, when cooking. Measuring spoons may be made of plastic ...
3.696 691 195 3125 ml in the U.S. customary system [5]: C-5, C-12 3.551 632 8125 ml in the British Imperial system [5]: C-7 [18] A teaspoonful has been considered equal to one fluid dram for medical prescriptions. [19] However, by 1876 the teaspoon had grown considerably larger than it was previously, measuring 80–85 minims. [20]
The system can be traced back to the measuring systems of the Hindus [18]: B-9 and the ancient Egyptians, who subdivided the hekat (about 4.8 litres) into parts of 1 ⁄ 2, 1 ⁄ 4, 1 ⁄ 8, 1 ⁄ 16, 1 ⁄ 32, and 1 ⁄ 64 (1 ro, or mouthful, or about 14.5 ml), [19] and the hin similarly down to 1 ⁄ 32 (1 ro) using hieratic notation, [20] as ...
The teaspoon, tablespoon, and cup are defined in terms of a fluid ounce as 1 ⁄ 6, 1 ⁄ 2, and 8 fluid ounces respectively. The fluid ounce derives its name originally from being the volume of one ounce avoirdupois of water, [ 21 ] but in the US it is defined as 1 ⁄ 128 of a US gallon.
A teaspoon (tsp.) is a small spoon that can be used to stir a cup of tea or coffee, or as a tool for measuring volume. [1] [2] The size of teaspoons ranges from about 2.5 to 7.3 ml (about 0·088 to 0·257 imperial fluid ounce or 0·085 to 0·247 US fluid ounce).
In the United Kingdom, a pinch is traditionally 1 / 2 UK salt spoon, [5] the equivalence of 1 / 4 UK teaspoon. 1 / 2 UK salt spoon is an amount of space that can accommodate 15 British imperial minims ( 1 / 4 British imperial fluid drachm or 1 / 32 British imperial fluid ounce; about 14·41 US customary ...