Fluid Ounce (US) to Cubic Inch Converter
Unit Converter
Instant · Precise · Universal
47 units available
6 categories total
How to Convert Fluid Ounce (US) to Cubic Inch
To mL: multiply by 29.5735. To UK fluid ounces: multiply by 1.04084. To tablespoons (US): multiply by 2.
1 US fl oz = 2 US tbsp = 6 US tsp = 1/8 US cup = 29.5735 mL.
For example, 1 Fluid Ounce (US) (fl oz (US)) = 1.804687502 Cubic Inch (in³).
Fluid Ounce (US) to Cubic Inch — Common Values
| Fluid Ounce (US) (fl oz (US)) | Cubic Inch (in³) |
|---|---|
| 0.1 | 0.1804687502 |
| 0.5 | 0.9023437511 |
| 1 | 1.804687502 |
| 2 | 3.609375005 |
| 5 | 9.023437511 |
| 10 | 18.04687502 |
| 25 | 45.11718756 |
| 50 | 90.23437511 |
| 100 | 180.4687502 |
| 500 | 902.3437511 |
| 1000 | 1804.687502 |
About Fluid Ounce (US) (fl oz (US))
Definition
The US fluid ounce is a unit of liquid volume equal to 1/128 of a US gallon, or approximately 29.574 milliliters.
Mathematical Relationship
1 US fl oz = 2 US tbsp = 6 US tsp = 1/8 US cup = 29.5735 mL.
Conversion Formula
To mL: multiply by 29.5735. To UK fluid ounces: multiply by 1.04084. To tablespoons (US): multiply by 2.
Practical Applications
Beverage cans (12 fl oz), water bottles (16.9 fl oz), coffee sizes, medicine dosing, and shampoo bottles.
Interesting Facts
A US fluid ounce of water weighs almost exactly 1 avoirdupois ounce (29.57 mL ≈ 28.35 g). The UK fl oz is slightly smaller (28.41 mL).
Common Mistakes
Confusing fluid ounces (volume) with ounces (weight). Also, US and UK fluid ounces differ slightly.
Educational Tips
1 fl oz ≈ 30 mL (close enough). A soda can = 12 fl oz. A standard water bottle = 16.9 fl oz ≈ 500 mL.
About Cubic Inch (in³)
Definition
The cubic inch is an imperial unit of volume equal to the space occupied by a cube one inch on each side.
Mathematical Relationship
1 in³ = 16.387064 mL = 16.387064 cm³. There are 1,728 in³ in one cubic foot.
Conversion Formula
To mL: multiply by 16.387064. To liters: multiply by 0.016387064. To cubic centimeters: multiply by 16.387064.
Practical Applications
Engine displacement (classic American V8s measured in cubic inches), small container volumes, and manufacturing specifications.
Interesting Facts
The iconic Chevrolet 'small block 350' engine has a displacement of 350 cubic inches (5.7 liters). A golf ball is about 2.48 in³.
Common Mistakes
Confusing cubic inches with fluid ounces — 1 in³ ≈ 0.554 fl oz (US). They are not equivalent.
Educational Tips
Think of a standard die (game dice) — it's roughly 1 in³. A cubic inch of water weighs about 0.578 ounces.