How Many Cubic Inches in a US Gallon?

Quick Answer
1 US Gallon = 230.999 Cubic Inches

1 gal = 230.999 in³

Formula

in³ = gal × 230.999

Conversion Table

US Gallons (gal)Cubic Inches (in³)
1 gal230.999 in³
2 gal461.999 in³
5 gal1,155 in³
10 gal2,309.99 in³
20 gal4,619.99 in³
50 gal11,550 in³
100 gal23,099.9 in³
500 gal115,500 in³
1,000 gal230,999 in³

Worked Examples

Convert 5 gal to in³:
5 gal × 230.999 = 1,155 in³
Convert 10 gal to in³:
10 gal × 230.999 = 2,309.99 in³
Convert 50 gal to in³:
50 gal × 230.999 = 11,550 in³

FAQ

How many Cubic Inches are in 1 US Gallon?
There are 230.999 Cubic Inches in 1 US Gallon. Formula: in³ = gal × 230.999.
How to convert US Gallons to Cubic Inches?
To convert US Gallons to Cubic Inches, multiply the number of US Gallons by 230.999. For example, 10 gal = 2,309.99 in³.
How many Cubic Inches are in 100 US Gallons?
There are 23,099.9 Cubic Inches in 100 US Gallons. Calculation: 100 × 230.999 = 23,099.9.