72 qt = 18 gal (Imperial; in US gallons: 72 qt = 21.6171 US gal). To convert quarts to gallons, divide by 4: 72 ÷ 4 = 18.
How to convert quarts to gallons
gal = qt × 0.25
- 1 qt = 0.25 gal (and 1 gal = 4 qt).
- Multiply the amount by the factor: 72 × 0.25 = 18.
- Answer: 72 qt = 18 gal.
Shortcut: dividing by 4 gives the same result as multiplying by 0.25.
Quarts to Gallons table
| Quarts (qt) | Gallons (gal) |
|---|---|
| 67 qt | 16.75 gal |
| 68 qt | 17 gal |
| 69 qt | 17.25 gal |
| 70 qt | 17.5 gal |
| 71 qt | 17.75 gal |
| 72 qt | 18 gal |
| 73 qt | 18.25 gal |
| 74 qt | 18.5 gal |
| 75 qt | 18.75 gal |
| 76 qt | 19 gal |
| 77 qt | 19.25 gal |
| qt | gal |
|---|---|
| 1 qt | 0.25 gal |
| 5 qt | 1.25 gal |
| 10 qt | 2.5 gal |
| 50 qt | 12.5 gal |
| 100 qt | 25 gal |
| 1,000 qt | 250 gal |
Good to know
The qt here is the Imperial (UK) quart: 1 qt = 1.13652 L. A US quart is 0.946353 L.
In US quarts: 72 US qt = 14.9881 gal.
The gal here is the Imperial (UK) gallon: 1 gal = 4.54609 L. A US gallon is 3.78541 L.
In US gallons: 72 qt = 21.6171 US gal.