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Metric measuring spoons are available in sets, usually between four and six, typically with decilitre (100 ml), tablespoon (15 ml), teaspoon (5 ml) and millilitre measures. [citation needed] For fractional measures, there is often a line inside to indicate "half" or "a quarter", or a separate measure may be included, like 1 ⁄ 2 dl.
A teaspoon (tsp.) is an item of cutlery.It 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 (0.088 to 0.257 imp fl oz; 0.085 to 0.247 US fl oz).
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 ...
1 US teaspoon = 0.020537173: US legal cup 1 imperial gallon = 18.942: US legal cup 1 imperial pint = 2.36776: US legal cup 1 imperial fluid ounce = 0.118388: US legal cup 1 imperial tablespoon = 0.0739924: US legal cup 1 imperial teaspoon = 0.0246641: US legal cup 1 US cubic foot = 117.987: US legal cup 1 US cubic inch = 0.0682794: US legal cup
The unit of measurement varies by region: a United States liquid tablespoon is approximately 14.8 ml (0.50 US fl oz), a European, United Kingdom and Canadian tablespoon is exactly 15 ml (0.51 US fl oz), [2] and an Australian tablespoon is 20 ml (0.68 US fl oz). [3]
2 fluidrachm or 8 mL, [11] or 7.5 mL [18] (actual range: 8.4–10.4 mL [12]) 2 fl dram or 8 mL [13] 1 ⁄ 4: 2 dessertspoons = 1 tablespoon tablespoon (mouthful) tbsp. or T., rarely tbls. 1 ⁄ 2 fluid ounce or 20 mL [10] most common size: 5 fl dr or 20 mL [17] 4 fluidrachm or 16 mL, [11] or 15 mL [18] (actual range: 12.8–15.6 mL [12]) 1/2 fl ...
473.18 mL: 16 US fl oz: 16.65 imp oz: 1 US pint pint (imp.) 568.26 mL: 19.2 US fl oz: 1 imp. pt = 20 imp oz: Beer sales in Britain and the Commonwealths are based on a full or fractional imperial pint. [note 2] Imperial-measure glasses were rounded down to 568 mL and metric-measure glasses usually round up to 570 mL. Beer bottles in the UK were ...
For example, 15-crown-5 has a high affinity for sodium because the cavity size of 15-crown-5 is 1.7–2.2 Å, which is enough to fit the sodium ion (1.9 Å). [ 34 ] [ 35 ] Cryptands, like crown ethers and other ionophores , also have a high affinity for the sodium ion; derivatives of the alkalide Na − are obtainable [ 36 ] by the addition of ...