Cubic Inches to Gallons Converter 2025 - Free Online Calculator

Cubic Inches to Gallons Converter

Convert cubic inches to gallons quickly and accurately

in³
gal

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About Cubic Inches to Gallons Conversion

The conversion between cubic inches and gallons is important for various applications including engine displacement, fluid capacity calculations, and volume measurements.

Conversion Formula

1 US gallon = 231 cubic inches
Gallons = Cubic Inches ÷ 231

Common Conversions

  • 1 cubic inch = 0.004329 gallons
  • 231 cubic inches = 1 gallon
  • 462 cubic inches = 2 gallons
  • 1000 cubic inches = 4.329 gallons

Applications

  • Automotive engine displacement calculations
  • Tank and container capacity measurements
  • Fluid system design
  • Manufacturing volume specifications