Ounces to Liters Converter

Relationship Between Fluid Ounces and Liters

The conversion between US fluid ounces and liters is based on the relationship where 1 US fluid ounce equals approximately 0.0295735 liters.

1 fl oz = 0.0295735 L

Therefore,

1 L = 33.814 fl oz

To convert fluid ounces to liters, we multiply the value in fluid ounces by 0.0295735.

For example, 1 fluid ounce equals 0.0295735 liters (approximately 29.57 milliliters), and 33.814 fluid ounces equal approximately 1 liter.

Fluid Ounce

What is a Fluid Ounce (fl oz)?

A fluid ounce (symbol: fl oz) is a unit of volume measurement for liquids in the US customary system. One US fluid ounce equals approximately 29.5735 milliliters or 0.0295735 liters. It is commonly used for measuring beverages, cooking ingredients, and liquid medications in the United States.

History and Origin of the Fluid Ounce

The fluid ounce originated from the Roman 'uncia,' meaning one-twelfth. Historically, one fluid ounce was defined as the volume occupied by one ounce (weight) of water at a specific temperature. While the weight-based definition is no longer used, the term 'fluid ounce' distinguishes it from the ounce used for measuring weight. The US fluid ounce was standardized as part of the US customary system.

Modern Applications of Fluid Ounces

Fluid ounces are widely used in the United States for measuring beverages in restaurants, bars, and on nutrition labels. Soft drinks are often sold in 12 fl oz cans or 20 fl oz bottles. Recipes frequently call for ingredients measured in fluid ounces, and medication dosages are often specified in fluid ounces. The unit is also common in the beauty and personal care industry for measuring lotions, shampoos, perfumes, and other liquid products.

US vs Imperial Fluid Ounce

It's important to note that the US fluid ounce (29.5735 mL) differs slightly from the imperial fluid ounce (28.4131 mL) used in the United Kingdom. The US fluid ounce is approximately 4% larger. This converter uses the US fluid ounce standard, which is more commonly used internationally.

Liter

What is a Liter (L)?

A liter (symbol: L) is a unit of volume in the metric system, equal to one cubic decimeter (1 L = 1 dm³ = 0.001 m³). It is the most common unit for measuring liquid volumes worldwide and is part of the International System of Units (SI).

History and Origin of the Liter

The liter was introduced in France in 1795 during the French Revolution as part of the metric system. Originally defined as the volume of one kilogram of water at maximum density (approximately 4°C), it has since been redefined to equal exactly one cubic decimeter. The liter is now recognized and used globally as the standard unit for liquid volume measurements.

Modern Applications of Liters

Liters are used globally for measuring beverages, fuel, and other liquids. They are the standard unit for liquid volume in most countries and are essential in cooking, commerce, scientific applications, and everyday life. Beverage containers (water bottles, soft drinks, milk), automotive fuel consumption, and engine displacement are commonly measured in liters. In countries using the metric system, recipes typically specify liquid ingredients in milliliters or liters rather than fluid ounces or cups.

Conversion to Common Units

One liter equals 1,000 milliliters (mL), approximately 33.814 US fluid ounces, 4.227 US cups, 2.113 US pints, or 1.057 US quarts. Understanding these conversions is helpful when working with recipes or measurements from different countries. A standard water bottle is typically 500 mL (0.5 L), while a large soda bottle is often 2 liters.

Fluid Ounce to Liter Conversion Table

The conversion of fluid ounces to liters for certain values are provided below: