Convert US fluid ounces (fl oz (US)) to cubic inches (in³).
Volume converter
Instant conversion
Edit either value. Decimals and scientific notation supported.
1
fl oz (US)
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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.
1.8046875
in³
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 (US) ≈ 1.8046875 in³
6 significant figures
10 significant figures
15 significant figures
Precision changes displayed rounding, not calculation accuracy.
FORMULAin³ = fl oz (US) × 1.8046875
FORMULA & EXAMPLES
How to convert US fluid ounces to cubic inches
in³ = fl oz (US) × 1.8046875
Multiply the fl oz (US) reading by 1.8046875.
Worked examples
1 fl oz (US) ≈ 1.8046875 in³
1 × 1.8046875 ≈ 1.8046875
8 fl oz (US) ≈ 14.4375 in³
8 × 1.8046875 ≈ 14.4375
Frequently asked questions
Is a fluid ounce a mass measurement?
No. A fluid ounce measures volume. Converting it to an ounce or gram of an ingredient requires that ingredient’s density.
US fluid ounces to cubic inches table
Fixed reference · US fluid ounce to Cubic inch
Reference values use this page’s named pair and default context. Calculator precision and font settings do not change this table.
US fluid ounce (fl oz (US))
Cubic inch (in³)
0
0
0.1
0.18046875
0.5
0.90234375
1
1.8046875
2
3.609375
5
9.0234375
10
18.046875
25
45.1171875
50
90.234375
100
180.46875
1000
1804.6875
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.