Imperial fluid ounces to US fluid ounces converter
Convert imperial fluid ounces (fl oz (UK)) to US fluid ounces (fl oz (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.
0.9607599404
fl oz (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) ≈ 0.9607599404 fl oz (US)
6 significant figures
10 significant figures
15 significant figures
Precision changes displayed rounding, not calculation accuracy.
FORMULAfl oz (US) = fl oz (UK) × 0.960759940403884
FORMULA & EXAMPLES
How to convert Imperial fluid ounces to US fluid ounces
fl oz (US) = fl oz (UK) × 0.960759940403884
Multiply the fl oz (UK) reading by 0.960759940403884.
Worked examples
1 fl oz (UK) ≈ 0.9607599404 fl oz (US)
1 × 0.960759940403884 ≈ 0.9607599404
20 fl oz (UK) ≈ 19.21519881 fl oz (US)
20 × 0.960759940403884 ≈ 19.21519881
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 fluid ounces table
Fixed reference · Imperial fluid ounce to US fluid ounce
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 fluid ounce (fl oz (US))
0
0
0.1
0.09607599404
0.5
0.4803799702
1
0.9607599404
2
1.921519881
5
4.803799702
10
9.607599404
25
24.01899851
50
48.03799702
100
96.07599404
1000
960.7599404
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.