Volume
gal (UK)toqt (US)
Convert imperial gallons (gal (UK)) to US liquid quarts (qt (US)).
Factor1 gal (UK) = 4.8038 qt (US)
Converter
gal (UK)
Accepts numbers or expressions, e.g. 150 + 14.7
Result
qt (US)
Rendered to 6 significant figures.
Formula
Formula
qt (US) = gal (UK) × 4.8038
Multiply any value in imperial gallons by 4.8038 to obtain the value in US liquid quarts.
Worked example
Convert 1 gal (UK) to qt (US).
- 01Start with 1 gal (UK).
- 02Multiply by the conversion factor: 1 × 4.8038 = 4.8038 qt (US).
Result1 gal (UK) = 4.8038 qt (US)
Conversion table
| gal (UK) | qt (US) |
|---|---|
| 1 | 4.8038 |
| 2 | 9.6076 |
| 5 | 24.019 |
| 10 | 48.038 |
| 20 | 96.076 |
| 50 | 240.19 |
| 100 | 480.38 |
| 200 | 960.76 |
| 500 | 2401.9 |
| 1000 | 4803.8 |
Reference values rounded to 5 significant figures for display.
FAQ
What is the conversion factor from gal (UK) to qt (US)?
1 gal (UK) equals 4.8038 qt (US). To convert, multiply the value in imperial gallons by 4.8038.
How do I convert 1 gal (UK) to qt (US)?
1 gal (UK) = 4.8038 qt (US). For any value, multiply by 4.8038.
How do I convert qt (US) back to gal (UK)?
Divide by the same factor — or equivalently, multiply by 0.2081685. So 1 qt (US) = 0.208169 gal (UK).
When would I need to convert imperial gallon to US liquid quart?
Volume conversions are used for tank sizing, batch calculations, and bridging between vendor specs (gallons, barrels, ft³) and process documentation (m³, litres).
Is the conversion exact?
The factor shown is precise to at least 7 significant figures. For most process-engineering work this is far better than instrument accuracy. For metrology or trade applications, refer to the relevant national standard (NIST, BIPM, ISO 80000).