100 US gallons to Imperial gallons
100 gal = 83.267418 imp gal. Change the amount below, or read the formula and the reference table further down.
100 US gallons equals
Imperial gallons
1 gal = 0.83267418 imp gal
The formula
US gallons and Imperial gallons both measure volume from the same zero, so a single multiplier does the job.
imp gal = gal × 0.8326741846
Going the other way? Convert Imperial gallons to US gallons.
US gallons to Imperial gallons table
Values either side of 100 gal.
| US gallons (gal) | Imperial gallons (imp gal) |
|---|---|
| 0 | 0 |
| 10 | 8.3267 |
| 20 | 16.6535 |
| 30 | 24.9802 |
| 40 | 33.307 |
| 50 | 41.6337 |
| 60 | 49.9605 |
| 70 | 58.2872 |
| 80 | 66.6139 |
| 90 | 74.9407 |
| 100 | 83.2674 |
| 110 | 91.5942 |
| 120 | 99.9209 |
| 130 | 108.25 |
| 140 | 116.57 |
| 150 | 124.9 |
| 160 | 133.23 |
| 170 | 141.55 |
| 180 | 149.88 |
| 190 | 158.21 |
| 200 | 166.53 |
Questions people ask
- How many Imperial gallons are in a US gallon?
- One US gallon equals 0.8326741846 Imperial gallons.
- How do I convert US gallons to Imperial gallons by hand?
- Multiply the number of US gallons by 0.8326741846. For a rough check, 0.833 is close enough for most everyday use.
- What is 100 US gallons in Imperial gallons?
- 100 US gallons is 83.267418 Imperial gallons.
Calcuit generates this page from a unit table, so the factors here match every other page on the site.