At One Place

US fluid ounces to cubic inches

1 US fluid ounce in cubic inches
1 fl oz = 1.804688 in³
in³ = fl oz × 1.8046875

To convert US fluid ounces to cubic inches, multiply by 1.8046875. The table below gives the values people look up most often, and the converter works for any number.

US fluid ounces to cubic inches table

Common US fluid ounce values converted to cubic inches.
US fluid ounces Cubic inches
1 fl oz 1.804688
2 fl oz 3.609375
3 fl oz 5.414063
4 fl oz 7.21875
5 fl oz 9.023438
10 fl oz 18.04688
15 fl oz 27.07031
20 fl oz 36.09375
25 fl oz 45.11719
30 fl oz 54.14063
40 fl oz 72.1875
50 fl oz 90.23438
75 fl oz 135.3516
100 fl oz 180.4688
250 fl oz 451.1719
500 fl oz 902.3438
1,000 fl oz 1,804.6875

How the conversion works

The relationship is in³ = fl oz × 1.8046875. Both units measure volume, so the conversion is a fixed factor that never changes.

Common questions

How many cubic inches are in one US fluid ounce?
One US fluid ounce equals 1.804688 cubic inches. in³ = fl oz × 1.8046875.
How do you convert US fluid ounces to cubic inches?
Use in³ = fl oz × 1.8046875. So 10 fl oz is 18.04688 in³.
How many US fluid ounces are in one cubic inch?
One cubic inch equals 0.55411 US fluid ounces, which is the reverse of the conversion above.

Related pages

Sources

  1. Guide for the Use of the International System of Units (SP 811) — NIST (Public domain (US Government))
  2. The International System of Units (SI Brochure) — Bureau International des Poids et Mesures
  3. Calculated on this page — At One Place

How these figures are compiled and checked