1 cubic inch to Imperial gallons

1 in³ = 0.00360465 imp gal. Change the amount below, or read the formula and the reference table further down.

1 cubic inch equals

0.00360465Imperial gallons

1 in³ = 0.00360465 imp gal

The formula

Cubic inches and Imperial gallons both measure volume from the same zero, so a single multiplier does the job.

imp gal = in³ × 0.0036046501

Going the other way? Convert Imperial gallons to cubic inches.

Cubic inches to Imperial gallons table

Values either side of 1 in³.

Cubic inches (in³)Imperial gallons (imp gal)
-4-0.014419
-3.5-0.012616
-3-0.010814
-2.5-0.009012
-2-0.007209
-1.5-0.005407
-1-0.003605
-0.5-0.001802
00
0.50.001802
10.003605
1.50.005407
20.007209
2.50.009012
30.010814
3.50.012616
40.014419
4.50.016221
50.018023
5.50.019826
60.021628

Questions people ask

How many Imperial gallons are in a cubic inch?
One cubic inch equals 0.0036046501 Imperial gallons.
How do I convert cubic inches to Imperial gallons by hand?
Multiply the number of cubic inches by 0.0036046501. For a rough check, 0.004 is close enough for most everyday use.
What is 1 cubic inch in Imperial gallons?
1 cubic inch is 0.00360465 Imperial gallons.

Calcuit generates this page from a unit table, so the factors here match every other page on the site.

Cookies on Calcuit
We use essential cookies to remember this choice and, if you sign in, to keep you signed in. Advertising cookies from Google AdSense are optional. They are not set, and the AdSense script is not loaded, unless you accept.