tier_1 conversion
Convert quart (US) to gallon (UK)
Convert quart (US) to gallon (UK) with a verified formula, worked example, conversion table, precision guidance, and reverse conversion.
quart (US) to gallon (UK)
quart (US) to gallon (UK)
Quick answer
1 quart (US) = 0.208168546157 gallon (UK).
Formula
gallon (UK) = quart (US) × 0.2081685461572575254621492559
Precision
The stored factor is used at full decimal precision; round only the displayed result to the precision required by the task.
How to convert quart (US) to gallon (UK)
- Enter a value in quart (US).
- Scale the source number by 0.2081685461572575254621492559 to express the same quantity in gallon (UK).
- Round the displayed gallon (UK) value only when needed.
About these units
quart (US) is a unit used in volume conversions. Volume measures three-dimensional space or liquid capacity. Its recorded symbol is qt (US). gallon (UK) is a unit used in volume conversions. Volume measures three-dimensional space or liquid capacity. Its recorded symbol is gal (UK).
Explore related conversions
quart (US) to gallon (UK) conversion table
| quart (US) | gallon (UK) |
|---|---|
| 0 quart (US) | 0e-28 gallon (UK) |
| 1 quart (US) | 0.208168546157 gallon (UK) |
| 5 quart (US) | 1.04084273079 gallon (UK) |
| 10 quart (US) | 2.08168546157 gallon (UK) |
| 25 quart (US) | 5.20421365393 gallon (UK) |
| 100 quart (US) | 20.8168546157 gallon (UK) |
Frequently asked questions
How do I convert from quart (US) to gallon (UK)?
Scale the source number by 0.2081685461572575254621492559 to express the same quantity in gallon (UK).
What formula does CalculatorHQ use for quart (US) to gallon (UK)?
gallon (UK) = quart (US) × 0.2081685461572575254621492559
How should I round the result?
The stored factor is used at full decimal precision; round only the displayed result to the precision required by the task.
Can I convert gallon (UK) back to quart (US)?
Yes. Use the linked reverse conversion, whose formula is validated against this pair with round-trip tests.