Convert Imperial Fluid Ounce to Liter
Convert imperial fluid ounces to liters instantly. 1 imperial fluid ounce = 0.0284130625 liter — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Liter to Imperial Fluid Ounce converter for the reverse conversion.
Units explained
Imperial Fluid Ounce
An imperial fluid ounce is 1/160 of an imperial gallon (28.4131 mL).
Defined so that ten fluid ounces make an imperial half-pint.
Used in UK and Commonwealth recipes and labels.
UK, 1824.
Liter
The liter is a metric unit of volume equal to one cubic decimeter (0.001 m³). It is the everyday metric volume unit.
Introduced in France in 1795; redefined in 1964 as exactly one cubic decimeter.
The world's common unit for beverages, fuel, and household liquids.
France, 1795; CGPM 1964.
Imperial Fluid Ounce to Liter conversion formula
The relationship between imperial fluid ounces and liters:
To convert imperial fluid ounces to liters, multiply the value in imperial fluid ounces by 0.0284130625. To reverse, multiply liters by 35.1950797279.
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 Imperial Fluid Ounce converter for the reverse direction.
Step-by-step: convert imperial fluid ounces to liters
- Write down the value in imperial fluid ounces (fl oz).
- Multiply that value by the factor 0.0284130625.
- The product is the equivalent value in liters (L).
- To reverse, multiply the liter value by 35.1950797279.
Worked examples
Example 1 — Convert 1 fl oz to L:
1 × 0.0284130625 = 0.0284130625 L
Example 2 — Convert 100 fl oz to L:
100 × 0.0284130625 = 2.84130625 L
Real-world example — Packaging gauge
A 4-imperial fluid ounce plastic bag thickness is a common spec for grocery and freezer bags. Converting from imperial fluid ounces to liters is what packaging buyers do whenever they bridge US and metric supplier quotes.
4 fl oz × 0.0284130625 = 0.11365225 L
Real-world example — Plastic film and laminate thickness
A 500-imperial 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 × 0.0284130625 = 14.20653125 L
Imperial Fluid Ounce to Liter conversion table
Standard reference values for converting imperial fluid ounces to liters:
| Imperial Fluid Ounce [fl oz] | Liter [L] |
|---|---|
| 0.01 | 0.0002841306 |
| 0.1 | 0.0028413063 |
| 1 | 0.0284130625 |
| 2 | 0.056826125 |
| 3 | 0.0852391875 |
| 4 | 0.11365225 |
| 5 | 0.1420653125 |
| 10 | 0.284130625 |
| 20 | 0.56826125 |
| 30 | 0.852391875 |
| 40 | 1.1365225 |
| 50 | 1.420653125 |
| 100 | 2.84130625 |
| 500 | 14.20653125 |
| 1000 | 28.4130625 |
Frequently asked questions
How many liters is 1 imperial fluid ounce?
How do I convert imperial fluid ounces to liters?
How do I convert liters back to imperial fluid ounces?
How many liters is 100 imperial fluid ounces?
Popular volume unit conversions
Convert Imperial Fluid Ounce to other volume units
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Metric / SI (8 units)
US Customary (Liquid) (8 units)
Imperial (UK) (3 units)
Cubic (length-derived) (3 units)
Sources & references
Conversion factor (1 fl oz = 0.0284130625 L) verified against the following authoritative sources:
- BIPM — The International System of Units (SI Brochure 9th ed.)
Official BIPM publication defining the seven SI base units (including the meter) and the rules for their use. The global authority on units of measurement.
- NIST — Guide to the SI
US National Institute of Standards and Technology reference covering the SI base and derived units with definitions and usage rules for US technical practice.
- NIST Special Publication 811 — Guide for the Use of the International System of Units
Detailed NIST guide covering exact conversion factors between SI and US customary units along with formatting and rounding conventions.
- NIST — Refinement of values for the yard and pound (Federal Register 1959)
The treaty (signed by US
- International Astronomical Union — System of Astronomical Constants
The IAU defines astronomical units including the AU (149597870700 m exactly) light-year and parsec used in astronomy and astrophysics.