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Symbol | Definition |
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≡ | exactly equal |
≈ | approximately equal to |
= | equal to |
digits | indicates that digits repeat infinitely (e.g. 8.294 369 corresponds to 8.294 369 369 369 369 …) |
Lambda (written λ, in lowercase) is a legitimate metric unit of volume equal to 10−9 m3, 1 cubic millimeter (mm3) or 1 microlitre (µL). Introduced by the BIPM in 1880, the lambda has been used in chemistry and in law for measuring volume, but its use is not recommended.
The cup currently used in the United States for nutrition labelling is defined in United States law as 240 ml.
1 U.S. "legal" cup | = | 240 | millilitres |
= | 16 | international tablespoons | |
= | 12 | Australian tablespoons | |
≈ | 8.12 | U.S. customary fluid ounces | |
≈ | 8.45 | imperial fluid ounces |