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Cubic Inches to US Fluid Ounces Converter

Convert cubic inches (in³) to US fluid ounces (fl oz), with the formula, a conversion table and exact factors.

Change the values and press Calculate to work out your own figures.

Enter a volume, choose its unit and the unit you want. The answer is exact until it is shown, and the same value appears in every other unit.

A number, fraction (3/8), mixed number (1 1/2), scientific notation (2.5e6) or a simple sum such as 2*3.
The unit you want the answer in. Swap exchanges the two units.
Result
0.554112554113 fl oz
US gallons
0.004329004329 gal
US liquid quarts
0.017316017316 qt
US liquid pints
0.034632034632 pt
US cups
0.0692640692641 cup
US tablespoons
1.10822510823 tbsp
US teaspoons
3.32467532468 tsp
cubic miles
3.93146572925 × 10⁻¹⁵ mi³
cubic yards
2.14334705075 × 10⁻⁵ cu yd
cubic feet
0.000578703703704 cu ft
cubic kilometers
1.6387064 × 10⁻¹⁴ km³
cubic meters
1.6387064 × 10⁻⁵ m³
liters
0.016387064 L
milliliters
16.387064 mL
cubic centimeters
16.387064 cm³
cubic millimeters
16,387.064 mm³
imperial gallons
0.00360465014991 imp gal
imperial quarts
0.0144186005996 imp qt
imperial pints
0.0288372011993 imp pt
imperial fluid ounces
0.576744023985 imp fl oz
imperial tablespoons
0.922790438377 imp tbsp
imperial teaspoons
2.76837131513 imp tsp
drops
327.74128 gtt

1 in³ = 0.554112554113 fl oz

Show the working
  1. 1 in³ = 0.554112554113 fl oz
  2. 1 × 0.554112554113 = 0.554112554113 fl oz

How to convert cubic inches to us fluid ounces

1 in³ = 0.554112554113 fl oz, so multiply by 0.554112554113 to go from cubic inches to US fluid ounces. Going the other way, 1 fl oz = 1.8046875 in³.

fl oz = in³ × 0.554112554113
in³ = fl oz × 1.8046875

Worked example:

1 in³ = 0.554112554113 fl oz
5 × 0.554112554113 = 2.77056277056 fl oz

Cubic Inches to us fluid ounces table

Cubic InchesUS Fluid Ounces
1 in³0.554112554113 fl oz
2 in³1.10822510823 fl oz
3 in³1.66233766234 fl oz
4 in³2.21645021645 fl oz
5 in³2.77056277056 fl oz
6 in³3.32467532468 fl oz
7 in³3.87878787879 fl oz
8 in³4.4329004329 fl oz
9 in³4.98701298701 fl oz
10 in³5.54112554113 fl oz
15 in³8.31168831169 fl oz
20 in³11.0822510823 fl oz
25 in³13.8528138528 fl oz
30 in³16.6233766234 fl oz
40 in³22.1645021645 fl oz
50 in³27.7056277056 fl oz
75 in³41.5584415584 fl oz
100 in³55.4112554113 fl oz
250 in³138.528138528 fl oz
500 in³277.056277056 fl oz
1000 in³554.112554113 fl oz

About the units

Cubic Inches (in³)
Cubic inches, a US customary unit. Definition: NIST Handbook 44 (2024), Appendix C: General Tables of Units of Measurement.
US Fluid Ounces (fl oz)
US fluid ounces, a US customary unit. Definition: NIST Handbook 44 Appendix C (US customary units; US gallon = 231 in³).

Formula version 0.1.0Reviewed