Volume · Unit Converter

Convert Liter to US Fluid Ounce

Convert liters to us fluid ounces instantly. 1 liter = 33.8140227018 us fluid ounce — use the live calculator, the exact formula, a conversion table and worked examples. Also check the US Fluid Ounce to Liter converter for the reverse conversion.

Written by Sunith Babu L, Ph.D., Lead Engineer Reviewed by Dr. Jaya Christiyan K G, Ph.D.
Volume category 2 min read Published Last reviewed Updated

Units explained

Metric / SI

Liter

What is a liter?

The liter is a metric unit of volume equal to one cubic decimeter (0.001 m³). It is the everyday metric volume unit.

Origin of the liter

Introduced in France in 1795; redefined in 1964 as exactly one cubic decimeter.

Where it is used

The world's common unit for beverages, fuel, and household liquids.

When and where it was developed

France, 1795; CGPM 1964.

US Customary (Liquid)

US Fluid Ounce

What is a us fluid ounce?

A US fluid ounce is 1/128 of a US gallon (29.5735 mL).

Origin of the us fluid ounce

Derived from the gallon subdivision; distinct from the slightly smaller UK fluid ounce.

Where it is used

Standard for US beverage and nutrition labeling.

When and where it was developed

English customary; US since 1824.

Liter to US Fluid Ounce conversion formula

The relationship between liters and us fluid ounces:

1 L = 33.8140227018 fl oz
1 fl oz = 0.0295735296 L

To convert liters to us fluid ounces, multiply the value in liters by 33.8140227018. To reverse, multiply us fluid ounces by 0.0295735296.

How to use this converter

Type a value into the calculator. The result in us fluid ounces updates as you type. Tap a quick value, copy the result with one click, or use the swap arrow to jump straight to the US Fluid Ounce to Liter converter for the reverse direction.

Step-by-step: convert liters to us fluid ounces

  1. Write down the value in liters (L).
  2. Multiply that value by the factor 33.8140227018.
  3. The product is the equivalent value in us fluid ounces (fl oz).
  4. To reverse, multiply the us fluid ounce value by 0.0295735296.

Worked examples

Example 1 — Convert 1 L to fl oz:
1 × 33.8140227018 = 33.8140227018 fl oz

Example 2 — Convert 100 L to fl oz:
100 × 33.8140227018 = 3381.4022701843 fl oz

Real-world example — Adjacent metric sub-units

One liter equals 1,000 us fluid ounces. Engineers move between these scales constantly: PCB feature sizes in the larger unit, wire-bond diameters in the smaller.

1 L × 33.8140227018 = 33.8140227018 fl oz

Real-world example — Adjacent small-scale precision

One liter equals 1,000 us fluid ounces — the standard sub-millimeter precision conversion that materials engineers use whenever they switch between bulk material thickness specs (larger unit) and surface-finish characteristics (smaller unit).

1 L × 33.8140227018 = 33.8140227018 fl oz

Liter to US Fluid Ounce conversion table

Standard reference values for converting liters to us fluid ounces:

Liter [L]US Fluid Ounce [fl oz]
0.010.338140227
0.13.3814022702
133.8140227018
267.6280454037
3101.4420681055
4135.2560908074
5169.0701135092
10338.1402270184
20676.2804540369
301014.4206810553
401352.5609080737
501690.7011350921
1003381.4022701843
50016907.0113509215
100033814.022701843

Frequently asked questions

How many us fluid ounces is 1 liter?
1 liter equals 33.8140227018 us fluid ounce.
How do I convert liters to us fluid ounces?
Multiply the value in liters by 33.8140227018 to get us fluid ounces.
How do I convert us fluid ounces back to liters?
Multiply the value in us fluid ounces by 0.0295735296, or use the US Fluid Ounce to Liter converter.
How many us fluid ounces is 100 liters?
100 liters equals 3381.4022701843 us fluid ounces, because 100 × 33.8140227018 = 3381.4022701843.

Convert Liter to other volume units

Show all Liter conversions
Metric / SI (13 units)
Liter to Picoliter (pL) Liter to Nanoliter (nL) Liter to Cubic Millimeter (mm³) Liter to Microliter (µL) Liter to Cubic Centimeter (cm³) Liter to Milliliter (mL) Liter to Centiliter (cL) Liter to Deciliter (dL) Liter to Dekaliter (daL) Liter to Hectoliter (hL) Liter to Cubic Meter (m³) Liter to Kiloliter (kL) Liter to Cubic Kilometer (km³)
US Customary (Liquid) (15 units)
Liter to US Minim (min) Liter to US Fluid Dram (fl dr) Liter to US Teaspoon (tsp) Liter to US Dessertspoon (dsp) Liter to US Tablespoon (tbsp) Liter to US Fluid Ounce (fl oz) Liter to US Gill (gi) Liter to US Cup (cup) Liter to US Pint (pt) Liter to US Quart (qt) Liter to US Gallon (gal) Liter to US Liquid Barrel (bbl) Liter to US Oil Barrel (bbl (oil)) Liter to US Hogshead (hhd) Liter to Tun (tun)
US Customary (Dry) (5 units)
Liter to US Dry Pint (dry pt) Liter to US Dry Quart (dry qt) Liter to US Dry Gallon (dry gal) Liter to US Peck (pk) Liter to US Bushel (bu)
Imperial (UK) (14 units)
Liter to Imperial Minim (min) Liter to Imperial Fluid Drachm (fl dr) Liter to Imperial Teaspoon (tsp) Liter to Imperial Dessertspoon (dsp) Liter to Imperial Tablespoon (tbsp) Liter to Imperial Fluid Ounce (fl oz) Liter to Imperial Gill (gi) Liter to Imperial Cup (cup) Liter to Imperial Pint (pt) Liter to Imperial Quart (qt) Liter to Imperial Gallon (gal) Liter to Imperial Peck (pk) Liter to Imperial Bushel (bu) Liter to Imperial Barrel (bbl)
Cubic (length-derived) (4 units)
Liter to Cubic Inch (in³) Liter to Cubic Foot (ft³) Liter to Cubic Yard (yd³) Liter to Cubic Mile (mi³)
Cooking / Culinary (5 units)
Liter to Drop (gtt) Liter to Metric Teaspoon (tsp) Liter to Metric Dessertspoon (dsp) Liter to Metric Tablespoon (tbsp) Liter to Metric Cup (cup)
Industrial / Specialized (6 units)
Liter to Board Foot (bf) Liter to Stere (st) Liter to Ton Register (RT) Liter to Cord (cord) Liter to Acre-Inch (ac·in) Liter to Acre-Foot (ac·ft)

Sources & references

Conversion factor (1 L = 33.8140227018 fl oz) verified against the following authoritative sources:

Results are provided for general reference. Verify critical measurements against an authoritative standard.