Volume · Unit Converter

Convert US Fluid Ounce to Liter

Convert us fluid ounces to liters instantly. 1 us fluid ounce = 0.0295735296 liter — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Liter to US Fluid Ounce 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

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.

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 Fluid Ounce to Liter conversion formula

The relationship between us fluid ounces and liters:

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

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

How to use this converter

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

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

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

Worked examples

Example 1 — Convert 1 fl oz to L:
1 × 0.0295735296 = 0.0295735296 L

Example 2 — Convert 100 fl oz to L:
100 × 0.0295735296 = 2.9573529562 L

Real-world example — Packaging gauge

A 4-us fluid ounce plastic bag thickness is a common spec for grocery and freezer bags. Converting from us fluid ounces to liters is what packaging buyers do whenever they bridge US and metric supplier quotes.

4 fl oz × 0.0295735296 = 0.1182941182 L

Real-world example — Plastic film and laminate thickness

A 500-us fluid ounce sheet is a typical spec for ID-card laminates and film overlays. Converting to liters aligns the value with the unit most CAD systems and material datasheets prefer.

500 fl oz × 0.0295735296 = 14.7867647812 L

US Fluid Ounce to Liter conversion table

Standard reference values for converting us fluid ounces to liters:

US Fluid Ounce [fl oz]Liter [L]
0.010.0002957353
0.10.002957353
10.0295735296
20.0591470591
30.0887205887
40.1182941182
50.1478676478
100.2957352956
200.5914705913
300.8872058869
401.1829411825
501.4786764781
1002.9573529562
50014.7867647812
100029.5735295625

Frequently asked questions

How many liters is 1 us fluid ounce?
1 us fluid ounce equals 0.0295735296 liter.
How do I convert us fluid ounces to liters?
Multiply the value in us fluid ounces by 0.0295735296 to get liters.
How do I convert liters back to us fluid ounces?
Multiply the value in liters by 33.8140227018, or use the Liter to US Fluid Ounce converter.
How many liters is 100 us fluid ounces?
100 us fluid ounces equals 2.9573529562 liters, because 100 × 0.0295735296 = 2.9573529562.

Convert US Fluid Ounce to other volume units

Show all US Fluid Ounce conversions
Metric / SI (8 units)
US Fluid Ounce to Cubic Centimeter (cm³) US Fluid Ounce to Milliliter (mL) US Fluid Ounce to Centiliter (cL) US Fluid Ounce to Deciliter (dL) US Fluid Ounce to Cubic Decimeter (dm³) US Fluid Ounce to Liter (L) US Fluid Ounce to Hectoliter (hL) US Fluid Ounce to Cubic Meter (m³)
US Customary (Liquid) (7 units)
US Fluid Ounce to US Teaspoon (tsp) US Fluid Ounce to US Tablespoon (tbsp) US Fluid Ounce to US Cup (cup) US Fluid Ounce to US Pint (pt) US Fluid Ounce to US Quart (qt) US Fluid Ounce to US Gallon (gal) US Fluid Ounce to US Oil Barrel (bbl (oil))
Imperial (UK) (4 units)
US Fluid Ounce to Imperial Fluid Ounce (fl oz) US Fluid Ounce to Imperial Pint (pt) US Fluid Ounce to Imperial Quart (qt) US Fluid Ounce to Imperial Gallon (gal)
Cubic (length-derived) (3 units)
US Fluid Ounce to Cubic Inch (in³) US Fluid Ounce to Cubic Foot (ft³) US Fluid Ounce to Cubic Yard (yd³)
Cooking / Culinary (3 units)
US Fluid Ounce to Metric Teaspoon (tsp) US Fluid Ounce to Metric Tablespoon (tbsp) US Fluid Ounce to Metric Cup (cup)

Sources & references

Conversion factor (1 fl oz = 0.0295735296 L) verified against the following authoritative sources:

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