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Convert US Cups to Imperial Fluid Ounces

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Measurement

Volume Converter
10 sig. figures
Formula1 US cup ร— 8.326741846 = 8.326741846 imp fl oz
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About Volume Conversions

Volume trips people up because US customary and imperial units share names but not sizes. A US gallon (3.785 liters) runs about 17% smaller than an imperial gallon (4.546 liters), and the gap carries down into pints, quarts, and fluid ounces. Cooking is where it bites: a British recipe's pint of milk is 568 ml, an American pint only 473 ml. Science sidesteps the mess with metric volume, where 1 mL equals exactly 1 cmยณ. US and imperial variants stay separate below, with exact conversion chains holding precision across the swap.

Quick Conversions

US CupsImperial Fluid Ounces
1 US cup8.32674 imp fl oz
2 US cup16.6535 imp fl oz
5 US cup41.6337 imp fl oz
10 US cup83.2674 imp fl oz
25 US cup208.169 imp fl oz
50 US cup416.337 imp fl oz
100 US cup832.674 imp fl oz
250 US cup2081.69 imp fl oz
500 US cup4163.37 imp fl oz
1000 US cup8326.74 imp fl oz
Unit NameSymbolPer 1 US Cup
Cubic Centimetercmยณ236.588
Cubic Footftยณ0.00835503
Cubic Inchinยณ14.4375
Cubic Metermยณ0.000236588
Imperial Fluid Ounceimp fl oz8.32674
Imperial Gallonimp gal0.0520421
Imperial Pintimp pt0.416337
LiterL0.236588
MillilitermL236.588
US CupUS cup1
US Fluid OunceUS fl oz8
US GallonUS gal0.0625
US PintUS pt0.5
US QuartUS qt0.25
US TablespoonUS tbsp16
US TeaspoonUS tsp48

Frequently Asked Questions

How do I convert US Cups to Imperial Fluid Ounces?

To convert US Cups to Imperial Fluid Ounces, use the conversion where 1 US Cup (US cup) = 8.32674 Imperial Fluid Ounces (imp fl oz). For example, 1 US Cup = 8.32674 Imperial Fluid Ounces.

What are common US Cup to Imperial Fluid Ounce conversions?

Here are common conversions: 1 US Cups = 8.32674 Imperial Fluid Ounces, 5 US Cups = 41.6337 Imperial Fluid Ounces, 10 US Cups = 83.2674 Imperial Fluid Ounces, 25 US Cups = 208.169 Imperial Fluid Ounces, 50 US Cups = 416.337 Imperial Fluid Ounces, 100 US Cups = 832.674 Imperial Fluid Ounces.

When would I need to convert US Cups to Imperial Fluid Ounces?

Volume conversions come up when scaling recipes between metric (milliliters, liters) and US customary units (cups, fluid ounces), calculating fuel tank capacities across regions, and in chemistry and manufacturing where a precise liquid measurement decides the outcome.

How precise are the conversions?

All conversions use exact factors verified against NIST and ISO standards with up to 10 significant figures of precision. Results are calculated using IEEE 754 double-precision arithmetic, which provides approximately 15-17 significant digits. For temperature and other non-linear conversions, exact formulas are used rather than approximations.

Sources

Read our full methodology โ†’