Cubic inches (in3, cu in):
United States customary units (US):
Imperial units (UK):
How to convert cubic inches to gallons?
United States customary units (US)
Standard gallon
The volume in US standard gallons (liquid) is equal to the volume in cubic inches (in3) divided by 231.
US standard gallons = cubic inches / 231
1 cubic inches = 0.004329 US standard gallons
1 cu in = 0.004329 gal US
1 in3 = 0.004329 gal US
Dry gallon
The volume in US dry gallons (usdrygal) is equal to the volume in cubic inches (in3) divided by 268.8025.
US dry gallons = cubic inches / 268.8025
1 cubic inches = 0.00372 US dry gallons
1 cu in = 0.00372 gal US dry
1 in3 = 0.00372 gal US dry
Imperial units (UK)
Standard imperial gallon
The volume in standard imperial gallons (UK) is equal to the volume in cubic inches (in3) divided by 277.4194.
standard imperial gallons (UK) = cubic inches / 277.4194
1 cubic inches = 0.0036 standard imp gallons (UK)
1 cu in = 0.0036 gal imp
1 in3 = 0.0036 gal imp
Wine gallon
The volume in wine gallons (UK) is equal to the volume in cubic inches (in3) divided by 231.
wine gallons (UK) = cubic inches / 231
1 cubic inches = 0.004329 wine gallons (UK)
1 cu in = 0.004329 gal wine
1 in3 = 0.004329 gal wine