Convert US quarts to Imperial gallons
1 qt = 0.20816855 imp gal. Change the amount below, or read the formula and the reference table further down.
1 US quart equals
Imperial gallons
1 qt = 0.20816855 imp gal
The formula
US quarts and Imperial gallons both measure volume from the same zero, so a single multiplier does the job.
imp gal = qt × 0.2081685462
Going the other way? Convert Imperial gallons to US quarts.
US quarts to Imperial gallons table
Common values, rounded for reading.
| US quarts (qt) | Imperial gallons (imp gal) |
|---|---|
| 1 | 0.208169 |
| 2 | 0.416337 |
| 3 | 0.624506 |
| 4 | 0.832674 |
| 5 | 1.0408 |
| 6 | 1.249 |
| 7 | 1.4572 |
| 8 | 1.6653 |
| 9 | 1.8735 |
| 10 | 2.0817 |
| 15 | 3.1225 |
| 20 | 4.1634 |
| 25 | 5.2042 |
| 30 | 6.2451 |
| 40 | 8.3267 |
| 50 | 10.4084 |
| 75 | 15.6126 |
| 100 | 20.8169 |
| 250 | 52.0421 |
| 500 | 104.08 |
| 1,000 | 208.17 |
Questions people ask
- How many Imperial gallons are in a US quart?
- One US quart equals 0.2081685462 Imperial gallons.
- How do I convert US quarts to Imperial gallons by hand?
- Multiply the number of US quarts by 0.2081685462. For a rough check, 0.208 is close enough for most everyday use.
- What is 1 US quart in Imperial gallons?
- 1 US quart is 0.20816855 Imperial gallons.
Calcuit generates this page from a unit table, so the factors here match every other page on the site.