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⚡ US Fluid Ounces to Cubic Inches: the quick answer
1 fl oz = 1.80469 in³
1 US fluid ounce equals 1.80469 cubic inches
To convert US fluid ounces to cubic inches, multiply the value by 1.80469.
To go the other way, multiply cubic inches by 0.554113 to get US fluid ounces.
↔ Convert cubic inches to US fluid ounces instead
🧮 Formula
Every unit here is defined by its volume in cubic meters, so the conversion factor is (cubic meters per US fluid ounce) ÷ (cubic meters per cubic inch).
📊 US Fluid Ounces to Cubic Inches conversion table
✏️ Worked examples
Convert 25 US fluid ounces to cubic inches
25 fl oz × 1.80469 = 45.1172 in³
Try this example →
Convert 250 US fluid ounces to cubic inches
250 fl oz × 1.80469 = 451.172 in³
Try this example →
📘 About these units
US fluid ounce (fl oz). A US fluid ounce is 29.5735 mL, the unit on American drink and food labels.
Cubic inch (in³). A cubic inch is 16.387 mL, used for engine displacement in the US.
❓ Frequently asked questions
How many cubic inches are in one US fluid ounce?
There are 1.80469 cubic inches in one US fluid ounce.
How do I convert US fluid ounces to cubic inches?
Multiply the number of US fluid ounces by 1.80469. For example, 10 US fluid ounces equal 18.0469 cubic inches.
How many US fluid ounces are in one cubic inch?
One cubic inch equals 0.554113 US fluid ounces.
🔗 More volume conversions
All volume units →