Convert US Fluid Ounce to Metric Cup
Convert us fluid ounces to metric cups instantly. 1 us fluid ounce = 0.1182941182 metric cup — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Metric Cup to US Fluid Ounce converter for the reverse conversion.
Units explained
US Fluid Ounce
A US fluid ounce is 1/128 of a US gallon (29.5735 mL).
Derived from the gallon subdivision; distinct from the slightly smaller UK fluid ounce.
Standard for US beverage and nutrition labeling.
English customary; US since 1824.
Metric Cup
A metric cup is exactly 250 milliliters.
Adopted with metrication in Australia, New Zealand and other countries.
Standard cooking cup in metric-recipe countries.
Metrication, 20th c.
US Fluid Ounce to Metric Cup conversion formula
The relationship between us fluid ounces and metric cups:
To convert us fluid ounces to metric cups, multiply the value in us fluid ounces by 0.1182941182. To reverse, multiply metric cups by 8.4535056755.
How to use this converter
Type a value into the calculator. The result in metric cups updates as you type. Tap a quick value, copy the result with one click, or use the swap arrow to jump straight to the Metric Cup to US Fluid Ounce converter for the reverse direction.
Step-by-step: convert us fluid ounces to metric cups
- Write down the value in us fluid ounces (fl oz).
- Multiply that value by the factor 0.1182941182.
- The product is the equivalent value in metric cups (cup).
- To reverse, multiply the metric cup value by 8.4535056755.
Worked examples
Example 1 — Convert 1 fl oz to cup:
1 × 0.1182941182 = 0.1182941182 cup
Example 2 — Convert 100 fl oz to cup:
100 × 0.1182941182 = 11.829411825 cup
Real-world example — Hair-width scale measurements
A 70-us fluid ounce measurement (about the diameter of a human hair) is the kind of value materials engineers regularly express in adjacent micro-scale units like metric cups for direct comparison across supplier datasheets.
70 fl oz × 0.1182941182 = 8.2805882775 cup
Real-world example — Paper and film thicknesses
At the thickness of office paper (roughly 3 us fluid ounces), converting between sub-millimeter units is routine for packaging and printing buyers comparing quotes from metric and US suppliers.
3 fl oz × 0.1182941182 = 0.3548823547 cup
Real-world example — Plastic-film thickness alternates
A 150-us fluid ounce plastic film converts cleanly to metric cups — useful for packaging buyers reconciling supplier datasheets across metric and US measurement systems.
150 fl oz × 0.1182941182 = 17.7441177375 cup
US Fluid Ounce to Metric Cup conversion table
Standard reference values for converting us fluid ounces to metric cups:
| US Fluid Ounce [fl oz] | Metric Cup [cup] |
|---|---|
| 0.01 | 0.0011829412 |
| 0.1 | 0.0118294118 |
| 1 | 0.1182941182 |
| 2 | 0.2365882365 |
| 3 | 0.3548823547 |
| 4 | 0.473176473 |
| 5 | 0.5914705913 |
| 10 | 1.1829411825 |
| 20 | 2.365882365 |
| 30 | 3.5488235475 |
| 40 | 4.73176473 |
| 50 | 5.9147059125 |
| 100 | 11.829411825 |
| 500 | 59.147059125 |
| 1000 | 118.29411825 |
Frequently asked questions
How many metric cups is 1 us fluid ounce?
How do I convert us fluid ounces to metric cups?
How do I convert metric cups back to us fluid ounces?
How many metric cups is 100 us fluid ounces?
Popular volume unit conversions
Convert US Fluid Ounce to other volume units
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Metric / SI (8 units)
US Customary (Liquid) (7 units)
Imperial (UK) (4 units)
Cubic (length-derived) (3 units)
Cooking / Culinary (3 units)
Sources & references
Conversion factor (1 fl oz = 0.1182941182 cup) 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.