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Volume converter
Instant conversion in your browser — volume.
≈ 0.2642 gal
Tip: enter the values one by one — 40 30 55 20 — and you get the total and the average.
1 l = 0.2641720524 gal
Quick table Liters → Gallons (US)
| l | gal |
|---|---|
| 1 | 0.2641720524 |
| 5 | 1.320860262 |
| 10 | 2.641720524 |
| 25 | 6.604301309 |
| 50 | 13.20860262 |
| 100 | 26.41720524 |
| 500 | 132.0860262 |
| 1,000 | 264.1720524 |
All unit families
- Lengthmm · cm · m · km · in · ft · yd · miAlmost the whole world measures length in metres. The exceptions are narrow but stubborn: the United States uses feet and inches for everyday distances, and the United Kingdom still posts road signs in miles while selling timber in millimetres.
- Weight / Massmg · g · kg · t · oz · lb · stThe kilogram is the base unit, and until 2019 it was the last one still defined by a physical object: a platinum-iridium cylinder kept near Paris. It is now defined through the Planck constant, so it can be reproduced in any properly equipped laboratory.
- Temperature°C · °F · KTemperature is the one family here that is not a multiplication. Celsius and Fahrenheit have different zero points as well as different step sizes, so you need the formula: °F = °C × 9/5 + 32.
- Aream² · km² · ha · ft² · acAreas are where a linear conversion quietly goes wrong. One metre is 3.28 feet, but one square metre is 10.76 square feet — the factor is squared. Converting the sides and forgetting the square is the single most common mistake in this family.
- Speedkm/h · mph · m/s · knFour units, four different worlds. Kilometres per hour on European roads, miles per hour in the US and UK, metres per second in physics and weather bulletins, knots at sea and in the air.
- Times · min · h · d · wk · mo · yrSeconds, minutes, hours, days and weeks convert exactly. Months and years do not, and no converter can make them.
- Digital storagebit · B · KB · MB · GB · TBDigital storage has two conflicting definitions of the same prefixes, and almost every confusion about file sizes comes from that.
1 liters (l) in every unit
| Milliliters | 1,000 ml |
| Cubic meters | 0.001 m³ |
| Gallons (US) | 0.2641720524 gal |
| Pints (US) | 2.113376419 pt |
| Fluid ounces (US) | 33.8140227 fl oz |
| Cups (US) | 4.226752838 cup |
About volume units
This is the family where the same word means two different amounts. American and British measures share their names but not their sizes, and a recipe that ignores the difference will not work.
The US gallon is 3.785 L, the imperial gallon 4.546 L — a 20% gap. The US fluid ounce is 29.57 ml against the imperial 28.41 ml. A US pint is 16 fl oz; a British pint is 20, which is why a pint of beer in London is genuinely bigger.
Cups are worse: a US cup is 236.6 ml, a "metric cup" is 250 ml, and in the UK the cup was never standardised at all. This converter uses US measures, the ones most online recipes assume.
The field under the result turns a stored volume into a daily allowance: **a 200-litre water butt over eight dry days is 25 litres a day.** Useful to know, and worth one caveat before you water that way: plants do better with more water less often than with the average every day, because shallow daily watering keeps the roots at the surface. The per-day figure is a budget, not a schedule — the right use is to check that the butt lasts the dry spell, then spend it in two or three deep soakings rather than eight light ones.
About this conversion
Volume conversion: 1 liters (l) equals 0.2641720524 gal. As a practical reference, 7 l = 1.849204367 gal — helpful for cooking, fuel and liquid packaging.
| l | gal |
|---|---|
| 7 | 1.849204367 |
Frequently asked questions
How many ml is a cup of flour?
A US cup is 236.6 ml of volume whatever you put in it. But a cup of flour weighs about 120 g and a cup of sugar about 200 g — volume and weight only line up for water. If a recipe matters, weigh it.
Which gallon does a fuel figure use?
American sources mean the US gallon, British ones the imperial gallon. This is why the same car is rated at, say, 30 mpg in the US and 36 mpg in the UK without anything changing: the gallon is bigger.
Is a fluid ounce the same as an ounce?
No. A fluid ounce measures volume, an ounce measures weight. They coincide only for water, and even then only approximately. "8 oz of milk" in a recipe almost always means fluid ounces.
How do I convert a British recipe?
Check the source first. If it is British, reduce fluid ounces by about 4% relative to the US values shown here, and remember a British pint is 568 ml against 473 ml. Modern UK recipes usually give grams and millilitres anyway.