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  2. Dilution ratio - Wikipedia

    en.wikipedia.org/wiki/Dilution_ratio

    For example, in a solution with a 1:5 dilution ratio, entails combining 1 unit volume of solute (the material to be diluted) with 5 unit volumes of the solvent to give 6 total units of total volume. In photographic development, dilutions are normally given in a '1+x' format.

  3. Hogshead - Wikipedia

    en.wikipedia.org/wiki/Hogshead

    A hogshead of brandy was approximately equal to 56–61 gallons (0.255–0.277 m 3). [ citation needed ] Eventually, a hogshead of wine came to be 52.5 imperial gallons (238.669725 L ) (63 US gallons), while a hogshead of beer or ale came to be 54 gallons (249.5421 L with the pre-1824 beer and ale gallon, or 245.48886 L with the imperial gallon).

  4. Gasoline gallon equivalent - Wikipedia

    en.wikipedia.org/wiki/Gasoline_gallon_equivalent

    The fuel consumption is an equivalent measure for cars sold outside the United States, typically measured in litres per 100 km traveled; in general, the fuel consumption and miles per gallon would be reciprocals with appropriate conversion factors, but because different countries use different driving cycles to measure fuel consumption, fuel ...

  5. Firkin (unit) - Wikipedia

    en.wikipedia.org/wiki/Firkin_(unit)

    A firkin was also a British unit for the sale of beer.It is one quarter of a barrel and its value depends on the current size of a barrel, but at present: [7]. 1 firkin = 0.25 barrel = 9 imperial gallons = 10.8 U.S. gallons = 41 litres

  6. Dry measure - Wikipedia

    en.wikipedia.org/wiki/Dry_measure

    In US customary units, three units of volume exist both in a dry and a liquid version, with the same name but different values: the dry barrel, the dry quart, and the dry pint. The bushel is only used for dry goods. Imperial units of volume are the same for both dry and liquid goods, and have a different value from both the dry and liquid US ...

  7. Lambda (unit) - Wikipedia

    en.wikipedia.org/wiki/Lambda_(unit)

    Lambda (written λ, in lowercase) is a non-SI unit of volume equal to 10 −9 m 3, 1 cubic millimetre (mm 3) or 1 microlitre (μL).Introduced by the BIPM in 1880, [1] the lambda has been used in chemistry [2] and in law for measuring volume, but its use is not recommended.

  8. Barrel (unit) - Wikipedia

    en.wikipedia.org/wiki/Barrel_(unit)

    In the United States, the 42 US-gallon size as a unit of measure is largely confined to the oil industry, while different sizes of barrel are used in other industries. Nearly all other countries use the metric system. Thus, the 42 US-gallon oil barrel is a unit of measure rather than a physical container used to transport crude oil.

  9. Graduated cylinder - Wikipedia

    en.wikipedia.org/wiki/Graduated_cylinder

    Reading the liquid at the bottom part of a concave or the top part of the convex liquid is equivalent to reading the liquid at its meniscus. [8] From the picture, the level of the liquid will be read at the bottom of the meniscus, which is the concave. The most accurate of the reading that could be done here is reduced down to 1 mL due to the ...