Cubic Inches to Gallons Converter
Convert cubic inches (in³) to gallons with precision for US and UK measurements
Volume Converter
Conversion Result
Conversion factor: 1 US gallon = 231 cubic inches
Formula: US Gallons = Cubic Inches ÷ 231
Quick Conversions
Example Calculation
Engine Displacement Conversion
Problem: Convert a 350 cubic inch engine to US gallons
Given: 350 cubic inches
Conversion factor: 1 US gallon = 231 cubic inches
Solution
Gallons = Cubic Inches ÷ 231
Gallons = 350 ÷ 231
Result = 1.515 US gallons
Common Conversions
Volume Facts
US gallon is exactly 231 cubic inches by definition
UK gallon is approximately 277.42 cubic inches
UK gallons are about 20% larger than US gallons
Commonly used for engine displacement measurements
Useful for container and tank volume calculations
Understanding Cubic Inches to Gallons Conversion
What are Cubic Inches?
A cubic inch (in³) is a unit of volume equal to the space occupied by a cube with sides of one inch. It's commonly used in the United States for measuring engine displacement, container volumes, and other three-dimensional spaces.
Gallon Types
- •US Gallon: Exactly 231 cubic inches
- •UK Gallon: Approximately 277.42 cubic inches
- •Difference: UK gallon is about 20% larger
Conversion Formulas
US Gallons = Cubic Inches ÷ 231
UK Gallons = Cubic Inches ÷ 277.42
Common Applications
- •Automotive engine displacement
- •Fuel tank capacity
- •Container volume calculations
- •Liquid storage systems