1 US quart 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
Values either side of 1 qt.
| US quarts (qt) | Imperial gallons (imp gal) |
|---|---|
| -4 | -0.832674 |
| -3.5 | -0.72859 |
| -3 | -0.624506 |
| -2.5 | -0.520421 |
| -2 | -0.416337 |
| -1.5 | -0.312253 |
| -1 | -0.208169 |
| -0.5 | -0.104084 |
| 0 | 0 |
| 0.5 | 0.104084 |
| 1 | 0.208169 |
| 1.5 | 0.312253 |
| 2 | 0.416337 |
| 2.5 | 0.520421 |
| 3 | 0.624506 |
| 3.5 | 0.72859 |
| 4 | 0.832674 |
| 4.5 | 0.936758 |
| 5 | 1.0408 |
| 5.5 | 1.1449 |
| 6 | 1.249 |
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.