Convert US Pint to Imperial Quart
Convert us pints to imperial quarts instantly. 1 us pint = 0.4163370923 imperial quart — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Imperial Quart to US Pint converter for the reverse conversion.
Units explained
US Pint
A US liquid pint is one eighth of a US gallon (0.473176473 L).
From Old French pinte; one eighth of a gallon in US measure.
Common for beverages, ice cream and produce in the US.
English customary.
Imperial Quart
An imperial quart is one quarter of an imperial gallon (1.13652 L).
A subdivision of the 1824 imperial gallon.
Used in the UK and Commonwealth.
UK, 1824.
US Pint to Imperial Quart conversion formula
The relationship between us pints and imperial quarts:
To convert us pints to imperial quarts, multiply the value in us pints by 0.4163370923. To reverse, multiply imperial quarts by 2.401899851.
How to use this converter
Type a value into the calculator. The result in imperial quarts updates as you type. Tap a quick value, copy the result with one click, or use the swap arrow to jump straight to the Imperial Quart to US Pint converter for the reverse direction.
Step-by-step: convert us pints to imperial quarts
- Write down the value in us pints (pt).
- Multiply that value by the factor 0.4163370923.
- The product is the equivalent value in imperial quarts (qt).
- To reverse, multiply the imperial quart value by 2.401899851.
Worked examples
Example 1 — Convert 1 pt to qt:
1 × 0.4163370923 = 0.4163370923 qt
Example 2 — Convert 100 pt to qt:
100 × 0.4163370923 = 41.6337092314 qt
Real-world example — Packaging gauge
A 4-us pint plastic bag thickness is a common spec for grocery and freezer bags. Converting from us pints to imperial quarts is what packaging buyers do whenever they bridge US and metric supplier quotes.
4 pt × 0.4163370923 = 1.6653483693 qt
Real-world example — Plastic film and laminate thickness
A 500-us pint sheet is a typical spec for ID-card laminates and film overlays. Converting to imperial quarts aligns the value with the unit most CAD systems and material datasheets prefer.
500 pt × 0.4163370923 = 208.1685461572 qt
US Pint to Imperial Quart conversion table
Standard reference values for converting us pints to imperial quarts:
| US Pint [pt] | Imperial Quart [qt] |
|---|---|
| 0.01 | 0.0041633709 |
| 0.1 | 0.0416337092 |
| 1 | 0.4163370923 |
| 2 | 0.8326741846 |
| 3 | 1.2490112769 |
| 4 | 1.6653483693 |
| 5 | 2.0816854616 |
| 10 | 4.1633709231 |
| 20 | 8.3267418463 |
| 30 | 12.4901127694 |
| 40 | 16.6534836926 |
| 50 | 20.8168546157 |
| 100 | 41.6337092314 |
| 500 | 208.1685461572 |
| 1000 | 416.3370923145 |
Frequently asked questions
How many imperial quarts is 1 us pint?
How do I convert us pints to imperial quarts?
How do I convert imperial quarts back to us pints?
How many imperial quarts is 100 us pints?
Popular volume unit conversions
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Metric / SI (8 units)
US Customary (Liquid) (7 units)
Imperial (UK) (4 units)
Cubic (length-derived) (3 units)
Cooking / Culinary (3 units)
Sources & references
Conversion factor (1 pt = 0.4163370923 qt) verified against the following authoritative sources:
- BIPM — The International System of Units (SI Brochure 9th ed.)
Official BIPM publication defining the seven SI base units (including the meter) and the rules for their use. The global authority on units of measurement.
- NIST — Guide to the SI
US National Institute of Standards and Technology reference covering the SI base and derived units with definitions and usage rules for US technical practice.
- NIST Special Publication 811 — Guide for the Use of the International System of Units
Detailed NIST guide covering exact conversion factors between SI and US customary units along with formatting and rounding conventions.
- NIST — Refinement of values for the yard and pound (Federal Register 1959)
The treaty (signed by US
- International Astronomical Union — System of Astronomical Constants
The IAU defines astronomical units including the AU (149597870700 m exactly) light-year and parsec used in astronomy and astrophysics.