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Factors for Converting Units of Volume

This page contains a number of useful equivalences and conversion factors which can be used to equate the many units used to measure volume. When working out the amount of insecticide or weedikiller to use, it is important to get the measurement correct. Some are from a previous era and are rarely used to-day, but are interesting and useful if consulting old publications. The calculator below can be dragged around with your mouse for working out the conversion.

Use these links to other pages of conversion factors.
 Calculator floats on page drag and operate with mouse. One operation at a time, for chain calculations clear result and re-enter for next stage.

Useful Volume Relationships

Imperial (GB)

Although they are called the same thing there is a difference between Imperial or GB measurements and those in the USA,
eg. 1 Imperial gallon = 0.1605 cubic feet and 1 US gallon = 0.1337 cubic feet

fluid ounce = 1/20th pint = 1/32nd quart = 1/160th gallon
1 cup (GB) = 10 fluid ounces = ½ pint (GB) = ¼ quart = 1/16th gallon
1 cup (US) = 8 fluid ounces = ½ pint (US) 1 pint (GB) = 20 fluid ounces = ½ quart = 1/8th gallon
1 quart = 40 fluid ounces = 4 cups = 2 pints = ¼ gallon
1 gallon = 160 fluid ounces = 8 pints = 4 quarts = 0.1605 cubic feet (GB) = 0.1337 cubic feet (USA)

Metric

1 millilitre = 1 cubic centimetre (cc, cm3) ie. 1cm x 1cm x 1cm
1 centilitre (cl) = 10 cubic centimetres
1 litre = 1000 cubic centimetres (cm3)
1 litre = 1 cubic decimetre ( ie. 10cm x 10cm x 10cm )
1 litre = 1/1000th of a cubic metre
1 British Standard metric teaspoon = 5 millilitres (ml)
1 British Standard metric tablespoon = 15 millilitres (ml)

In cookery dry ingredients are often measured out by volume, so the weight will vary depending on the density (see also Factors for Converting Units of Mass page). So a cupful of sifted flour is roughly half the weight of a cupful of granulated sugar. Also when given the volume in spoonsful it usually means a heaped spoonful of the dry ingredient with as much above the bowl of the spoon as in it. A spoonful of liquid ingredient would obviously be less.

 Dry Measure 4 gills - 1 pint 2 pints = 1 quart 4 quarts = 1 gallon 2 gallons = 1 peck 4 pecks = 1 bushel 3 bushels = 1 bag 4 bushels = 1 coomb 5 bushels = 1 sack (flour) 8 bushels = 1 quarter 36 bushels (12 bags) = 1 chaldron 40 bushels (5 quarters) = 1 wey (horse-load) 2 weys = 1 last. Liquid Measure 4 gills = 1 pint 2 pints = 1 quart 4 quarts = 1 gallon 9 gallons = 1 firkin 10 gallons = 1 anker 2 firkins = 1 kilderkin 2 kilderkins = 1 barrel 1½ barrels = 1 hogshead 2 hogsheads = 1 butt 2 butts = 1 tun

Cubic measure Note that when converting volume units, the linear and volume relationships are not the same. So a cubic foot is not 12 cubic inches, it is 12 inches cubed

1 cubic foot = 1728 cubic inches
ie. 12in x 12in x 12in.
12 cubic inches is approximately 2.289434in x 2.289434in x 2.289434in
1 cubic yard = 27 cubic feet
16 cubic feet = 1 cord foot
8 cord feet = 1 cord

Volume (Capacity) Conversion Factors

 from to multiply by cubic inches (cu in; in3) cubic centimetres 16.387 cubic centimetres (cc; cm3) cubic inches 0.061 cubic inches litres (l) 0.01638 cubic feet cubic metres 0.0283 cubic metres cubic feet 35.315 cubic yards cubic metres 0.7646 cubic metres cubic yards 1.308 gills litres 0.142 imp fluid ounces millilitres 28.41 millilitres imp fluid ounces 0.0352 US fluid ounces millilitres 29.57 imp fluid ounces US fluid ounces 0.961 US fluid ounces imp fluid ounces 1.041 litres imp fluid ounces 35.1961 litres US fluid ounces 33.8150 imperial pints (imp pt) litres 0.568 litres imperial pints (imp pt) 1.7598 litres US pints 2.1134 imperial quarts (imp qt) litres (l) 1.137 litres (l) imperial quarts 0.88 imperial quarts US quarts (US qt) 1.201 US quarts imperial quarts 0.833 US quarts litres (l) 0.946 litres (l) US quarts 1.057 imperial gallons (imp gal) litres 4.546 litres imperial gallons 0.2199 imperial gallons US gallons (US gal) 1.201 US gallons (US gal) imperial gallons 0.8327 US gallons (US gal) litres 3.785 litres US gallons (US gal) 0.2642

For a less accurate mental reckoning the following can be used:-
 litres to pints multiply by 7 and divide by 4 pints to litres multiply by 4 and divide by 7 litres to gallons multiply by 2 and divide by 9 gallons to litres multiply by 9 and divide by 2

Champagne Bottle Sizes

 Type Capacity Number of bottles Quarter 18.75 cl ¼ Half-Bottle 37.5 cl ½ Bottle 75 cl 1 Magnum 1.5 litre 2 Jeroboam 3 litre 4 Rehoboam 4.5 litre 6 Methuselah 6 litre 8 Salmanazar 9 litre 12 Balthazar 12 litre 16 Nebuchadnezzar 15 litre 20 Melchior (Solomon) 18 litre 24 Primat 27 litre 36

The for ease of handling the secondary fermentation which gives champagne its sparkle, is usually carried out in Magnum-sized bottles then decanted into the other sizes. A full Nebuchadnezzar weighs 38 kilograms and the Primat weighs 65 kg.
These bottle sizes are also used for some Fench wines with the addition of a Marie Jeanne (3 bottle) and Double Magnum (4 bottle) for Bordeaux - the Jeroboam for this wine contains 6 bottles. Needless to say they are usually served from a special cradle.

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