Imperial fluid ounces to US customary cups converter
Convert imperial fluid ounces (fl oz (UK)) to US customary cups (cup (US)).
Volume converter
Instant conversion
Edit either value. Decimals and scientific notation supported.
1
fl oz (UK)
esc
LitreL
MillilitremL
Cubic metrem³
Cubic centimetrecm³
Cubic footft³
Cubic inchin³
US liquid gallongal (US)
Imperial gallongal (UK)
US fluid ouncefl oz (US)
Imperial fluid ouncefl oz (UK)
US customary cupcup (US)
Metric cupcup (metric)
US liquid pintpt (US)
US liquid quartqt (US)
Imperial pintpt (UK)
Imperial quartqt (UK)
US customary teaspoontsp (US)
US customary tablespoontbsp (US)
Metric teaspoon (5 mL)tsp (metric)
Metric tablespoon (15 mL)tbsp (metric)
Cubic yardyd³
Imperial gillgi (UK)
Imperial peckpk (UK)
Imperial bushelbu (UK)
Imperial fluid drachmfl dr (UK)
Imperial minimminim (UK)
No units found. Try a name or symbol.
0.1200949926
cup (US)
esc
LitreL
MillilitremL
Cubic metrem³
Cubic centimetrecm³
Cubic footft³
Cubic inchin³
US liquid gallongal (US)
Imperial gallongal (UK)
US fluid ouncefl oz (US)
Imperial fluid ouncefl oz (UK)
US customary cupcup (US)
Metric cupcup (metric)
US liquid pintpt (US)
US liquid quartqt (US)
Imperial pintpt (UK)
Imperial quartqt (UK)
US customary teaspoontsp (US)
US customary tablespoontbsp (US)
Metric teaspoon (5 mL)tsp (metric)
Metric tablespoon (15 mL)tbsp (metric)
Cubic yardyd³
Imperial gillgi (UK)
Imperial peckpk (UK)
Imperial bushelbu (UK)
Imperial fluid drachmfl dr (UK)
Imperial minimminim (UK)
No units found. Try a name or symbol.
CONVERSION
1 fl oz (UK) ≈ 0.1200949926 cup (US)
6 significant figures
10 significant figures
15 significant figures
Precision changes displayed rounding, not calculation accuracy.
FORMULAcup (US) = fl oz (UK) × 0.120094992550486
FORMULA & EXAMPLES
How to convert Imperial fluid ounces to US customary cups
cup (US) = fl oz (UK) × 0.120094992550486
Multiply the fl oz (UK) reading by 0.120094992550486.
Worked examples
1 fl oz (UK) ≈ 0.1200949926 cup (US)
1 × 0.120094992550486 ≈ 0.1200949926
20 fl oz (UK) ≈ 2.401899851 cup (US)
20 × 0.120094992550486 ≈ 2.401899851
Frequently asked questions
Why do UK and US capacity readings differ?
The Imperial gallon is 4.54609 L, while the US liquid gallon is 3.785411784 L. Each system has 8 pints and 4 quarts per gallon. An Imperial gallon contains 160 Imperial fluid ounces; a US gallon contains 128 US fluid ounces.
Imperial fluid ounces to US customary cups table
Fixed reference · Imperial fluid ounce to US customary cup
Reference values use this page’s named pair and default context. Calculator precision and font settings do not change this table.
Imperial fluid ounce (fl oz (UK))
US customary cup (cup (US))
0
0
0.1
0.01200949926
0.5
0.06004749628
1
0.1200949926
2
0.2401899851
5
0.6004749628
10
1.200949926
25
3.002374814
50
6.004749628
100
12.00949926
1000
120.0949926
Table results use 10 significant figures; decimal formula coefficients use up to 15. Calculations use the unit definitions before rounding. Extra digits do not improve measurement accuracy.