Convert volume units — liters, gallons, cups, milliliters, cubic meters, pints, quarts.
| Unit | Name | Value |
|---|---|---|
| mL | Milliliter | 1000 |
| m³ | Cubic Meter | 0.001 |
| gal(US) | US Gallon | 0.26417218 |
| gal(UK) | UK Gallon | 0.21996925 |
| qt | US Quart | 1.0566881 |
| pt | US Pint | 2.1133785 |
| cup | US Cup | 4.2267571 |
| fl oz | Fluid Ounce | 33.814057 |
Common liter values converted to fluid ounce — factor: 1 L = 33.81 fl oz
| Liter (L) | Fluid Ounce (fl oz) | Context |
|---|---|---|
| 0.01 L | 0.3381 fl oz | Tablespoon |
| 0.05 L | 1.691 fl oz | Shot glass |
| 0.1 L | 3.381 fl oz | One cup |
| 0.25 L | 8.454 fl oz | One cup |
| 0.5 L | 16.91 fl oz | Water bottle |
| 0.75 L | 25.36 fl oz | Wine bottle |
| 1 L | 33.81 fl oz | Liter bottle |
| 2 L | 67.63 fl oz | Soda bottle |
| 3.785 L | 128 fl oz | US gallon |
| 5 L | 169.1 fl oz | Small jerrycan |
| 10 L | 338.1 fl oz | Large container |
| 20 L | 676.3 fl oz | Jerrycan |
| 50 L | 1,691 fl oz | Keg |
| 100 L | 3,381 fl oz | Keg |
| 200 L | 6,763 fl oz | Oil drum |
Converting liter to fluid ounce comes up frequently in cooking, chemistry, medicine, and engineering. A recipe written in metric units may need to be adapted for a kitchen using fluid ounce, or a laboratory protocol may specify volumes in liter that need to be measured with equipment calibrated in fluid ounce.
In everyday use, knowing that 5 L = 169.1 fl oz and 10 L = 338.1 fl oz covers most common situations. For bulk calculations, 100 L = 3381 fl oz is a useful anchor. The reverse conversion — fluid ounce back to liter — uses the factor 0.02957, so 1 fl oz = 0.02957 L.
All conversions use the internationally recognized factor of exactly 1 L = 33.81 fl oz. Calculations are performed in IEEE 754 double-precision floating point, giving accuracy to at least 8 significant figures — more than sufficient for any practical application.
Formula: Fluid Ounce = Liter × 33.814057
Multiply any liter value by 33.814057 to get fluid ounce. One liter equals 33.814057 fl oz.
Reverse: Liter = Fluid Ounce × 0.0295735
Liters × 33.81 = fluid ounces. Round to × 34 for quick estimates.
One liter = 33.8 fl oz. A 32 fl oz container is just under 1 L.
fl oz × 0.02957 = liters.
Measures fermentation batches, keg volumes (50 L), and canning runs in liters for recipe consistency.
Specifies fuel tank capacity (40-70 L) and engine coolant volumes in liters.
Calibrates volumetric flasks, graduated cylinders, and bulk reagent purchases in liters.
Estimates pool capacity in liters to calculate pump sizing and chemical dosing.
Designs drip and sprinkler systems with flow rates in liters per hour per emitter.
Prepares bulk IV solutions, disinfectants, and liquid medications in liter batches.
The liter was introduced by the French metric system in 1793, defined as the volume of one kilogram of pure water at 4°C. The word derives from the older French unit litron, from Medieval Latin litra. It was redefined in 1964 as exactly 1 cubic decimeter.
France adopted the liter as part of revolutionary metric standardization, spreading across Europe with Napoleonic expansion. Today it is the standard unit for liquids in most of the world, from soda bottles to fuel pumps.
Interesting fact: A liter of water at 4°C weighs almost exactly 1 kilogram, which is why the kilogram was originally defined through it.
The US fluid ounce is defined as 1/128 of a US gallon, exactly 29.5735 mL. The US and UK fl oz differ: the US is 29.57 mL while the Imperial fl oz is 28.41 mL.
Fluid ounces appear on every US beverage container: a soda can is 12 fl oz, a water bottle is 16.9 fl oz, and a US shot glass is 1.5 fl oz.
Interesting fact: Despite sharing the name 'ounce', the fluid ounce measures volume, not weight. One fl oz of water weighs about 1.04 oz, but one fl oz of honey weighs about 1.5 oz.