Volume · Unit Converter

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.

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.

Cooking / Culinary

Metric Cup

What is a metric cup?

A metric cup is exactly 250 milliliters.

Origin of the metric cup

Adopted with metrication in Australia, New Zealand and other countries.

Where it is used

Standard cooking cup in metric-recipe countries.

When and where it was developed

Metrication, 20th c.

US Fluid Ounce to Metric Cup conversion formula

The relationship between us fluid ounces and metric cups:

1 fl oz = 0.1182941182 cup
1 cup = 8.4535056755 fl oz

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

  1. Write down the value in us fluid ounces (fl oz).
  2. Multiply that value by the factor 0.1182941182.
  3. The product is the equivalent value in metric cups (cup).
  4. 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]
0.010.0011829412
0.10.0118294118
10.1182941182
20.2365882365
30.3548823547
40.473176473
50.5914705913
101.1829411825
202.365882365
303.5488235475
404.73176473
505.9147059125
10011.829411825
50059.147059125
1000118.29411825

Frequently asked questions

How many metric cups is 1 us fluid ounce?
1 us fluid ounce equals 0.1182941182 metric cup.
How do I convert us fluid ounces to metric cups?
Multiply the value in us fluid ounces by 0.1182941182 to get metric cups.
How do I convert metric cups back to us fluid ounces?
Multiply the value in metric cups by 8.4535056755, or use the Metric Cup to US Fluid Ounce converter.
How many metric cups is 100 us fluid ounces?
100 us fluid ounces equals 11.829411825 metric cups, because 100 × 0.1182941182 = 11.829411825.

Convert US Fluid Ounce to other volume units

Show all US Fluid Ounce conversions

Sources & references

Conversion factor (1 fl oz = 0.1182941182 cup) verified against the following authoritative sources:

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