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⚡ Cubic Inches to US Fluid Ounces: the quick answer
1 in³ = 0.554113 fl oz
1 cubic inch equals 0.554113 US fluid ounces
To convert cubic inches to US fluid ounces, multiply the value by 0.554113.
To go the other way, multiply US fluid ounces by 1.80469 to get cubic inches.
↔ Convert US fluid ounces to cubic inches instead
🧮 Formula
Every unit here is defined by its volume in cubic meters, so the conversion factor is (cubic meters per cubic inch) ÷ (cubic meters per US fluid ounce).
📊 Cubic Inches to US Fluid Ounces conversion table
✏️ Worked examples
Convert 25 cubic inches to US fluid ounces
25 in³ × 0.554113 = 13.8528 fl oz
Try this example →
Convert 250 cubic inches to US fluid ounces
250 in³ × 0.554113 = 138.528 fl oz
Try this example →
📘 About these units
Cubic inch (in³). A cubic inch is 16.387 mL, used for engine displacement in the US.
US fluid ounce (fl oz). A US fluid ounce is 29.5735 mL, the unit on American drink and food labels.
❓ Frequently asked questions
How many US fluid ounces are in one cubic inch?
There are 0.554113 US fluid ounces in one cubic inch.
How do I convert cubic inches to US fluid ounces?
Multiply the number of cubic inches by 0.554113. For example, 10 cubic inches equal 5.54113 US fluid ounces.
How many cubic inches are in one US fluid ounce?
One US fluid ounce equals 1.80469 cubic inches.
🔗 More volume conversions
All volume units →