US Quart vs. Imperial (UK) Quart to Milliliters (ml) Comparison

This chart highlights the volume difference between a US liquid quart and an Imperial (UK) quart, providing their equivalents in metric milliliters (ml). This is vital for accuracy with international recipes.

Unit	Milliliters (ml) (approx.)	Liters (L) (approx.)	Composition Notes
1 US Liquid Quart	946.35 ml	0.946 L	2 US Pints / 32 US Fluid Ounces
1 Imperial (UK) Quart	1136.52 ml	1.137 L	2 Imperial Pints / 40 Imperial Fluid Ounces
Difference (Imperial - US)	190.17 ml	0.190 L	An Imperial quart is about 20% larger.

1/2 US Liquid Quart (1 US Pint)	473.18 ml	0.473 L
1/2 Imperial (UK) Quart (1 Imperial Pint)	568.26 ml	0.568 L

Key Differences:

A **US liquid quart** is approximately 946 ml.
An **Imperial (UK) quart** is approximately 1137 ml (or 1.137 L), making it about 20% larger than a US quart.
This difference is significant for liquid ingredients when converting recipes between US and UK/Commonwealth measurement systems.
US dry quarts are a different unit (approx. 1101 ml) and are not included in this liquid volume comparison.
For detailed kitchen conversions and calculators, visit kitchencalculator.app.