Convert litres, millilitres, cubic metres, gallons, cups, tablespoons and teaspoons at once.
This converter takes your quantity to litres and then rewrites it in ten units at the same time: millilitres, litres, cubic metres, US gallons, quarts, pints, cups, fluid ounces, tablespoons and teaspoons. The metric side is trivially clean, because a litre is by definition a cubic decimetre — a cube ten centimetres on each side, which is also exactly 1000 cm³. The customary side is not clean at all, and that is precisely why a converter is useful.
The US measures all descend from the gallon, which is defined as exactly 231 cubic inches, or 3.785411784 litres. Everything else is a fraction of it: a quart is a quarter gallon, a pint an eighth, a cup a sixteenth, a fluid ounce a hundred-and-twenty-eighth, a tablespoon half a fluid ounce and a teaspoon a sixth of one. The UK went a different way in 1824 and defined its imperial gallon as the volume of ten pounds of water, which lands at 4.54609 L — over 20% bigger. So an American pint is 473 ml while a British pint is 568 ml, and a recipe that calls for "a pint of cream" means different things on either side of the Atlantic. Brazilian recipes add a third convention: the xícara used in cookbooks and on measuring cups sold locally is almost always a round 240 ml, not the 236.588 ml US cup, and the local colher de sopa is usually treated as a flat 15 ml against the 14.79 ml US tablespoon.
One thing the tool deliberately does not do is turn volume into weight. A litre of water weighs about a kilogram, but a litre of cooking oil weighs roughly 920 g, a litre of honey about 1.42 kg and a cup of flour anywhere between 120 g and 145 g depending on how it was packed — that conversion needs a density, not a factor, and guessing at one would give you a wrong number with a confident face. Everything here runs locally in your browser, with no network requests and nothing stored.
Every unit is converted through the litre: result = value × factor(source) ÷ factor(target). Exact factors: 1 ml = 0.001 L, 1 m³ = 1000 L, 1 US gallon = 231 in³ = 3.785411784 L, 1 quart = 1/4 gal, 1 pint = 1/8 gal, 1 cup = 1/16 gal = 0.2365882365 L, 1 fluid ounce = 1/128 gal, 1 tablespoon = 1/2 fl oz, 1 teaspoon = 1/6 fl oz.
A US gallon is 3.785411784 litres exactly. The UK imperial gallon is a different unit and holds 4.54609 litres, so always check which one a recipe or a fuel figure means.
The US cup used here is 236.588 ml. Brazilian recipes normally mean a 240 ml xícara, and the metric cup used in Australia is 250 ml — a difference big enough to matter in baking.
Three. One US tablespoon is 14.79 ml and one teaspoon is 4.93 ml; the metric versions rounded to 15 ml and 5 ml keep the same three-to-one ratio.
No, and that is deliberate. Volume becomes mass only through density: a litre of water is about 1 kg, but a litre of oil is around 0.92 kg and a litre of honey about 1.42 kg. There is no single factor that works for every substance.
No. The conversion runs entirely in JavaScript on your device — nothing is sent to a server or saved anywhere.
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