How Many Cubic Inches in a US Fluid Ounce?

Quick Answer
1 US Fluid Ounce = 1.805 Cubic Inches

1 fl oz = 1.805 in³

Formula

in³ = fl oz × 1.805

Conversion Table

US Fluid Ounces (fl oz)Cubic Inches (in³)
1 fl oz1.805 in³
2 fl oz3.609 in³
5 fl oz9.023 in³
10 fl oz18.047 in³
20 fl oz36.094 in³
50 fl oz90.234 in³
100 fl oz180.468 in³
500 fl oz902.341 in³
1,000 fl oz1,804.68 in³

Worked Examples

Convert 5 fl oz to in³:
5 fl oz × 1.805 = 9.023 in³
Convert 10 fl oz to in³:
10 fl oz × 1.805 = 18.047 in³
Convert 50 fl oz to in³:
50 fl oz × 1.805 = 90.234 in³

FAQ

How many Cubic Inches are in 1 US Fluid Ounce?
There are 1.805 Cubic Inches in 1 US Fluid Ounce. Formula: in³ = fl oz × 1.805.
How to convert US Fluid Ounces to Cubic Inches?
To convert US Fluid Ounces to Cubic Inches, multiply the number of US Fluid Ounces by 1.805. For example, 10 fl oz = 18.047 in³.
How many Cubic Inches are in 100 US Fluid Ounces?
There are 180.468 Cubic Inches in 100 US Fluid Ounces. Calculation: 100 × 1.805 = 180.468.