100 Imperial gallons to US gallons
100 imp gal = 120.09 gal. Change the amount below, or read the formula and the reference table further down.
100 Imperial gallons equals
US gallons
1 imp gal = 1.20095 gal
The formula
Imperial gallons and US gallons both measure volume from the same zero, so a single multiplier does the job.
gal = imp gal × 1.20094993
Going the other way? Convert US gallons to Imperial gallons.
Imperial gallons to US gallons table
Values either side of 100 imp gal.
| Imperial gallons (imp gal) | US gallons (gal) |
|---|---|
| 0 | 0 |
| 10 | 12.0095 |
| 20 | 24.019 |
| 30 | 36.0285 |
| 40 | 48.038 |
| 50 | 60.0475 |
| 60 | 72.057 |
| 70 | 84.0665 |
| 80 | 96.076 |
| 90 | 108.09 |
| 100 | 120.09 |
| 110 | 132.1 |
| 120 | 144.11 |
| 130 | 156.12 |
| 140 | 168.13 |
| 150 | 180.14 |
| 160 | 192.15 |
| 170 | 204.16 |
| 180 | 216.17 |
| 190 | 228.18 |
| 200 | 240.19 |
Questions people ask
- How many US gallons are in a Imperial gallon?
- One Imperial gallon equals 1.20094993 US gallons.
- How do I convert Imperial gallons to US gallons by hand?
- Multiply the number of Imperial gallons by 1.20094993. For a rough check, 1.2 is close enough for most everyday use.
- What is 100 Imperial gallons in US gallons?
- 100 Imperial gallons is 120.09 US gallons.
Calcuit generates this page from a unit table, so the factors here match every other page on the site.