1 cubic inch (in³) = 0.0043290043 US gallons (gal (US)). To convert, divide by 231: gal (US) = in³ ÷ 231. For example, 50 in³ = 0.2164502165 gal (US).
gal (US) = in³ ÷ 231
Cubic inches to US gallons table
| Cubic inches (in³) | US gallons (gal (US)) |
|---|---|
| 10 | 0.0432900433 |
| 20 | 0.0865800866 |
| 30 | 0.1298701299 |
| 40 | 0.1731601732 |
| 50 | 0.2164502165 |
| 100 | 0.4329004329 |
| 200 | 0.8658008658 |
| 250 | 1.082251082 |
| 500 | 2.164502165 |
| 1,000 | 4.329004329 |
| 2,500 | 10.82251082 |
| 5,000 | 21.64502165 |
| 10,000 | 43.29004329 |
The two units
Cubic inch (in³). A cube one inch on each side: exactly 16.387064 cubic centimeters.
US gallon (gal (US)). Exactly 231 cubic inches, about 3.785 liters.
Convert cubic inches to other units
- Cubic inches to liters — 1 in³ = 0.016387064 L
- Cubic inches to milliliters — 1 in³ = 16.387064 mL
- Cubic inches to cubic meters — 1 in³ = 0.0000163871 m³
- Cubic inches to US quarts — 1 in³ = 0.0173160173 qt (US)
- Cubic inches to US pints — 1 in³ = 0.0346320346 pt (US)
- Cubic inches to US cups — 1 in³ = 0.0692640693 cup
- Cubic inches to US fluid ounces — 1 in³ = 0.5541125541 fl oz (US)
- Cubic inches to US tablespoons — 1 in³ = 1.108225108 tbsp
- Cubic inches to US teaspoons — 1 in³ = 3.324675325 tsp
- Cubic inches to imperial gallons — 1 in³ = 0.0036046502 gal (UK)
- Cubic inches to imperial pints — 1 in³ = 0.0288372012 pt (UK)
- Cubic inches to cubic feet — 1 in³ = 0.0005787037 ft³
Convert other units to US gallons
- US gallons to cubic inches
- Liters to US gallons
- Milliliters to US gallons
- Cubic meters to US gallons
- US quarts to US gallons
- US pints to US gallons
- US cups to US gallons
- US fluid ounces to US gallons
- US tablespoons to US gallons
- US teaspoons to US gallons
- Imperial gallons to US gallons
- Imperial pints to US gallons
- Cubic feet to US gallons
Questions people ask
- How many US gallons are in a cubic inch?
- 0.0043290043.
- How do you convert cubic inches to US gallons?
- gal (US) = in³ ÷ 231. It is the same as dividing by 231.
- How do you convert US gallons back to cubic inches?
- in³ = gal (US) × 231. See US gallons to cubic inches.
Results use the legal definitions of each unit and are checked against the Pint unit library. Display rounds to 10 significant digits. All unit conversions · More tools
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