Convert cubic inches to gallons (US)

Explanation

From this page you can convert cubic inches to gallons (US) (or in³ to gal) simply, by using the application above.

In case you are wondering, to convert from cubic inches to gallons (US) you need to multiply by 0.004329. This factor is calculated using the respective definitions of the two units you can find below.

Formula

1 in³≈0.004329 gal

cubic inchesin³

dimension	volume
symbol	in³, cu in

The cubic inch (in³, cu in) is a unit of volume derived from the international mass and length units.

Definition of the cubic inch

One cubic inch is the volume of a cube with an edge length of one inch.

Value in terms of the SI

One cubic inch is equivalent to 16.387064 cubic centimeters.

Equivalences

One cubic inch is also equivalent to:

Some Facts

The cubic inch was used to measure engine displacement in the US. Some cars even got named after their engine displacement like the Ford Mustang Boss 302 and the Chevrolet 427 Corvette. Taday the liter is used for that purpose.

International volume units

cubic inch	in³
cubic foot	ft³	1728 cubic inches
cubic yard	yd³	27 cubic feet
cubic mile	mi³	5 451 776 000 cubic yards

The International Mass and Length Units

The International Mass and Length Units are units based on the international yard and the international pound.

They were created in 1959 when Australia, Canada, New Zealand, South Africa, the United Kingdom and the United States of America agreed upon a common definition of the yard and the pound.

gallons (US)gal

dimension	volume
system	U.S. customary units (USCS)
symbol	gal

The gallon (gal) is a unit of volume in the U.S. customary units.

Definition of the gallon

One gallon is equal to 231 cubic inches.

NIST Handbook 44 Specifications: Appendix C p. C-5

Value in terms of the SI

One gallon is equivalent to 3785.411784 cubic centimeters.

Equivalences

One US gallon is also equivalent to:

Some Facts

In the US, oil (petroleum) is priced per gallon. We also have to mention the very famous gallon of milk. In the rest of the world, the liter is prefered for the same usage.

US fluid volume units

minim	min
fluid dram	fl dr	60 minims
fluid ounce	fl oz	8 fluid drams
gill	gi	4 fluid ounces
pint	pt	4 gills
quart	qt	2 pints
gallon	gal	4 quarts
barrel	bbl	31.5 gallons
barrel (petroleum)	bbl	42 gallons

The United States Customary System

The United States customary system is a system of measurements used in the United States since 1832. It is based on English units in use before the definition of the Imperial system in 1824.

With the Metric Conversion Act of 1975 the U.S. began a metrication program but customary units are still widely used.