Sumwise

Imperial gallons to US quarts

US quarts = imperial gallons × 4.8038

Reverse: US quarts to imperial gallons

How to convert imperial gallons to US quarts

One imperial gallon is 4.8038 US quarts, so multiply the number of imperial gallons by 4.8038. For example, 20 imperial gallons is 20 × 4.8038 = 96.075994 US quarts. To go back, divide by the same number, or multiply by 0.20816855.

Quick estimate

Multiplying by about 4.8 gets within 0.1% of the exact answer, which is enough to check that a result makes sense.

Where it comes up

Volume conversions come up in recipes, fuel economy, drink and bottle sizes, garden and pool water, and engine sizes.

imperial gallonsUS quarts
1 impgal4.8038 qt
2 impgal9.607599 qt
3 impgal14.411399 qt
4 impgal19.215199 qt
5 impgal24.018999 qt
6 impgal28.822798 qt
7 impgal33.626598 qt
8 impgal38.430398 qt
9 impgal43.234197 qt
10 impgal48.037997 qt
11 impgal52.841797 qt
12 impgal57.645596 qt
13 impgal62.449396 qt
14 impgal67.253196 qt
15 impgal72.056996 qt
16 impgal76.860795 qt
17 impgal81.664595 qt
18 impgal86.468395 qt
19 impgal91.272194 qt
20 impgal96.075994 qt
25 impgal120.094993 qt
30 impgal144.113991 qt
40 impgal192.151988 qt
50 impgal240.189985 qt
60 impgal288.227982 qt
70 impgal336.265979 qt
75 impgal360.284978 qt
80 impgal384.303976 qt
90 impgal432.341973 qt
100 impgal480.37997 qt
120 impgal576.455964 qt
150 impgal720.569955 qt
200 impgal960.75994 qt
250 impgal1,200.95 qt
300 impgal1,441.14 qt
400 impgal1,921.52 qt
500 impgal2,401.9 qt
750 impgal3,602.85 qt
1,000 impgal4,803.8 qt
1,500 impgal7,205.7 qt
2,000 impgal9,607.6 qt
5,000 impgal24,019 qt
10,000 impgal48,038 qt

Questions

How many US quarts are in a imperial gallon?

4.8038 US quarts.

How do I convert imperial gallons to US quarts in a spreadsheet?

Put the value in A1 and type =A1*4.8038, then fill the formula down the column.

Are the values in the table exact?

They are calculated from the exact definitions of the units and rounded only for display. Open any row for the full working.