VOLUME CONVERSION
US gallon to Cubic inch.
Convert us gallon (gal (US)) to cubic inch (in³), with the math explained.
1 gal (US) = 231 in³
US and UK gallons, pints, and fluid ounces are different sizes. A metric cup is 250 mL; a US customary cup is 236.5882365 mL.
THE MATH, MADE SIMPLE
How to convert us gallon to cubic inch
Multiply your us gallon value by 231 to get the equivalent in cubic inch. Both units are normalized through the liter.
in³ = gal (US) × 23110 gal (US) = 2,310 in³
Result rounded to 12 significant digits. Change the precision in the calculator to suit your task.US and UK gallons, pints, and fluid ounces are different sizes. A metric cup is 250 mL; a US customary cup is 236.5882365 mL.
QUICK REFERENCE
gal (US) to in³ conversion table
| US gallon (gal (US)) | Cubic inch (in³) |
|---|---|
| 1 gal (US) | 231 in³ |
| 2 gal (US) | 462 in³ |
| 5 gal (US) | 1,155 in³ |
| 10 gal (US) | 2,310 in³ |
| 20 gal (US) | 4,620 in³ |
| 50 gal (US) | 11,550 in³ |
| 100 gal (US) | 23,100 in³ |
| 500 gal (US) | 115,500 in³ |
| 1,000 gal (US) | 231,000 in³ |
About the us gallon
The us gallon (gal (US)) is a unit of volume. One us gallon equals 3.785411784 liter (base unit) in this calculator.
All us gallon conversionsAbout the cubic inch
The cubic inch (in³) is a unit of volume. One cubic inch equals 0.016387064 liter (base unit) in this calculator.
All cubic inch conversionsCommon questions
What is 1 gal (US) in in³?
One us gallon equals 231 in³. Use the formula above for other values.
Why might another calculator show a different last digit?
Calculators may round at different stages or use different unit conventions. We keep full JavaScript numeric precision during calculation and round only for display. Choose up to 15 significant digits. Check US versus UK units and the notes for this category.
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