100 US gallons to cubic inches
100 gal = 23,100 in³. Change the amount below, or read the formula and the reference table further down.
100 US gallons equals
cubic inches
1 gal = 231 in³
The formula
US gallons and cubic inches both measure volume from the same zero, so a single multiplier does the job.
in³ = gal × 231
Going the other way? Convert cubic inches to US gallons.
US gallons to cubic inches table
Values either side of 100 gal.
| US gallons (gal) | Cubic inches (in³) |
|---|---|
| 0 | 0 |
| 10 | 2,310 |
| 20 | 4,620 |
| 30 | 6,930 |
| 40 | 9,240 |
| 50 | 11,550 |
| 60 | 13,860 |
| 70 | 16,170 |
| 80 | 18,480 |
| 90 | 20,790 |
| 100 | 23,100 |
| 110 | 25,410 |
| 120 | 27,720 |
| 130 | 30,030 |
| 140 | 32,340 |
| 150 | 34,650 |
| 160 | 36,960 |
| 170 | 39,270 |
| 180 | 41,580 |
| 190 | 43,890 |
| 200 | 46,200 |
Questions people ask
- How many cubic inches are in a US gallon?
- One US gallon equals 231 cubic inches.
- How do I convert US gallons to cubic inches by hand?
- Multiply the number of US gallons by 231. For a rough check, 231 is close enough for most everyday use.
- What is 100 US gallons in cubic inches?
- 100 US gallons is 23,100 cubic inches.
Calcuit generates this page from a unit table, so the factors here match every other page on the site.