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Convert Liters to Fluid Ounces

Instantly convert Liters (L) to Fluid Ounces (fl oz) with our free online calculator.

Reviewed by Christopher FloiedUpdated

Formula: L to fl ozmultiply by 33.8141

Reference Table

Liters (L)Fluid Ounces (fl oz)
133.8141
5169.07
10338.141
25845.351
501690.7
1003381.41

How to Convert Liters to Fluid Ounces

Formula

To convert Liters (L) to Fluid Ounces (fl oz): multiply by 33.8141

Step-by-Step

  1. Start with your value in Liters (L).
  2. Multiply by 33.8141 to perform the conversion.
  3. The result is your value expressed in Fluid Ounces (fl oz).

Conversion Factor

1 L = 33.8141 fl oz

Reverse Factor

1 fl oz = 0.0295735 L

Worked Example

Convert 25 Liters to Fluid Ounces: 25 L = 845.351 fl oz

About Liter (L)

A metric unit of volume equal to exactly 0.001 cubic meters (one cubic decimeter), defined by the BIPM since 1964. The litre is accepted for use with the SI per the BIPM SI Brochure and is the global standard for beverages and beverage labelling under the EU Food Information to Consumers Regulation 1169/2011 and Codex Alimentarius, fuel economy (km/L outside North America), automotive engine displacement (e.g., '3.0 L turbo'), medical fluid volumes (TPN bags, IV fluids, blood volume), industrial chemical-process material balances (Aspen HYSYS / CHEMCAD default volumetric unit alongside m³), and HVAC/plumbing flow specs. Reference values: a standard wine bottle is 0.75 L, a Coke can 0.33 L, a US half-gallon ~1.89 L, a midsize-car fuel tank 50-70 L, a household water heater 150-300 L, a standard IBC industrial-chemical tote 1,000 L. One litre of pure water at 4 °C and 1 atm weighs almost exactly 1 kg — a deliberate design feature of the original metric system. 1 L = 1,000 mL = 1,000 cm³ = 1 dm³ = 0.2642 US gal = 33.81 US fl oz.

About Fluid Ounce (fl oz)

A US customary unit of liquid volume equal to exactly 1/128 of a US gallon (≈ 29.5735 mL). Fluid ounces are the universal US small-liquid-volume retail unit: beverage containers (a standard US Coke can is 12 fl oz, a Starbucks Grande is 16 fl oz, Trenta 30 fl oz), shampoo / lotion / personal-care bottles, US cocktail and bartending recipes (1.5 fl oz is the standard 'jigger' shot), wine pours (a standard restaurant pour is 5 fl oz; a generous home pour 6 fl oz), and home-cooking liquid measurements. **Important**: the US fluid ounce (29.5735 mL) is NOT the same as the UK Imperial fluid ounce (28.4131 mL) — the ~4% difference is usually inconsequential at consumer level but matters when scaling industrial formulations. The US fluid ounce is also distinct from the avoirdupois ounce (a weight unit ≈ 28.35 g), although for plain water the numerical values happen to coincide closely (1 US fl oz of water ≈ 1.04 oz mass).

Quick Facts

  • 1 Liter equals 33.8141 Fluid Ounces
  • 1 Fluid Ounce equals 0.0295735 Liters
  • Liter is a unit of volume
  • Fluid Ounce is a unit of volume
  • This conversion is commonly used in cooking, chemistry, fluid mechanics, and everyday liquid measurement
  • The Liter belongs to the metric system
  • The Fluid Ounce belongs to the imperial system

Common Liter to Fluid Ounce Conversions

Liters (L)Fluid Ounces (fl oz)
0.010.338141
0.13.38141
0.258.45351
0.516.907
133.8141
267.6281
3101.442
5169.07
10338.141
15507.211
20676.281
25845.351
501690.7
752536.05
1003381.41
2508453.51
50016907
100033814.1
5000169070
10000338141

Understanding Liters

The Liter (symbol: L) is a unit of volume. A metric unit of volume equal to exactly 0.001 cubic meters (one cubic decimeter), defined by the BIPM since 1964. The litre is accepted for use with the SI per the BIPM SI Brochure and is the global standard for beverages and beverage labelling under the EU Food Information to Consumers Regulation 1169/2011 and Codex Alimentarius, fuel economy (km/L outside North America), automotive engine displacement (e.g., '3.0 L turbo'), medical fluid volumes (TPN bags, IV fluids, blood volume), industrial chemical-process material balances (Aspen HYSYS / CHEMCAD default volumetric unit alongside m³), and HVAC/plumbing flow specs. Reference values: a standard wine bottle is 0.75 L, a Coke can 0.33 L, a US half-gallon ~1.89 L, a midsize-car fuel tank 50-70 L, a household water heater 150-300 L, a standard IBC industrial-chemical tote 1,000 L. One litre of pure water at 4 °C and 1 atm weighs almost exactly 1 kg — a deliberate design feature of the original metric system. 1 L = 1,000 mL = 1,000 cm³ = 1 dm³ = 0.2642 US gal = 33.81 US fl oz.

It belongs to the metric measurement system.

Liters are commonly used in cooking, chemistry, fluid mechanics, and everyday liquid measurement.

Understanding Fluid Ounces

The Fluid Ounce (symbol: fl oz) is a unit of volume. A US customary unit of liquid volume equal to exactly 1/128 of a US gallon (≈ 29.5735 mL). Fluid ounces are the universal US small-liquid-volume retail unit: beverage containers (a standard US Coke can is 12 fl oz, a Starbucks Grande is 16 fl oz, Trenta 30 fl oz), shampoo / lotion / personal-care bottles, US cocktail and bartending recipes (1.5 fl oz is the standard 'jigger' shot), wine pours (a standard restaurant pour is 5 fl oz; a generous home pour 6 fl oz), and home-cooking liquid measurements. **Important**: the US fluid ounce (29.5735 mL) is NOT the same as the UK Imperial fluid ounce (28.4131 mL) — the ~4% difference is usually inconsequential at consumer level but matters when scaling industrial formulations. The US fluid ounce is also distinct from the avoirdupois ounce (a weight unit ≈ 28.35 g), although for plain water the numerical values happen to coincide closely (1 US fl oz of water ≈ 1.04 oz mass).

It belongs to the imperial measurement system.

Fluid Ounces are commonly used in cooking, chemistry, fluid mechanics, and everyday liquid measurement.

Why Convert Liters to Fluid Ounces?

Volume conversions between Liters and Fluid Ounces are essential in cooking, chemistry, and fluid mechanics. Recipes from different countries use different measurement systems, laboratory procedures reference varying units, and engineers designing fluid systems need precise volume calculations for pipes, tanks, and pumps.

Frequently Asked Questions

How do I convert Liters to Fluid Ounces?

A metric unit of volume equal to exactly 0. To convert Liters to Fluid Ounces, multiply by 33.8141. For example, 25 L equals 845.351 fl oz.

How many Fluid Ounces are in 1 Liter?

There are 33.8141 Fluid Ounces in 1 Liter.

How many Liters are in 1 Fluid Ounce?

There are 0.0295735 Liters in 1 Fluid Ounce.

What is the formula for Liter to Fluid Ounce conversion?

The formula is: multiply by 33.8141. This means 1 L = 33.8141 fl oz.

Is a Liter bigger than a Fluid Ounce?

No. One Liter is smaller than one Fluid Ounce because 1 L equals 33.8141 fl oz, which is greater than 1.

When do you need to convert between Liters and Fluid Ounces?

A US customary unit of liquid volume equal to exactly 1/128 of a US gallon (≈ 29. Liter and Fluid Ounce are both volume units, so conversion comes up whenever one source of information uses one unit and another uses the other — a classic cross-reference challenge in engineering, trade, travel, and everyday life.

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