Convert US Fluid Ounce to Imperial Pint
Convert us fluid ounces to imperial pints instantly. 1 us fluid ounce = 0.0520421365 imperial pint — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Imperial Pint to US Fluid Ounce converter for the reverse conversion.
Units explained
US Fluid Ounce
A US fluid ounce is 1/128 of a US gallon (29.5735 mL).
Derived from the gallon subdivision; distinct from the slightly smaller UK fluid ounce.
Standard for US beverage and nutrition labeling.
English customary; US since 1824.
Imperial Pint
An imperial pint is one eighth of an imperial gallon (568.261 mL).
A subdivision of the 1824 imperial gallon; larger than the US pint.
Iconic as the British pint of beer and milk.
UK, 1824.
US Fluid Ounce to Imperial Pint conversion formula
The relationship between us fluid ounces and imperial pints:
To convert us fluid ounces to imperial pints, multiply the value in us fluid ounces by 0.0520421365. To reverse, multiply imperial pints by 19.2151988081.
How to use this converter
Type a value into the calculator. The result in imperial pints 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 Pint to US Fluid Ounce converter for the reverse direction.
Step-by-step: convert us fluid ounces to imperial pints
- Write down the value in us fluid ounces (fl oz).
- Multiply that value by the factor 0.0520421365.
- The product is the equivalent value in imperial pints (pt).
- To reverse, multiply the imperial pint value by 19.2151988081.
Worked examples
Example 1 — Convert 1 fl oz to pt:
1 × 0.0520421365 = 0.0520421365 pt
Example 2 — Convert 100 fl oz to pt:
100 × 0.0520421365 = 5.2042136539 pt
Real-world example — Plastic-film thickness alternates
A 150-us fluid ounce plastic film converts cleanly to imperial pints — useful for packaging buyers reconciling supplier datasheets across metric and US measurement systems.
150 fl oz × 0.0520421365 = 7.8063204809 pt
Real-world example — Hair-width scale measurements
A 70-us fluid ounce measurement (about the diameter of a human hair) is the kind of value materials engineers regularly express in adjacent micro-scale units like imperial pints for direct comparison across supplier datasheets.
70 fl oz × 0.0520421365 = 3.6429495578 pt
Real-world example — Paper and film thicknesses
At the thickness of office paper (roughly 3 us fluid ounces), converting between sub-millimeter units is routine for packaging and printing buyers comparing quotes from metric and US suppliers.
3 fl oz × 0.0520421365 = 0.1561264096 pt
US Fluid Ounce to Imperial Pint conversion table
Standard reference values for converting us fluid ounces to imperial pints:
| US Fluid Ounce [fl oz] | Imperial Pint [pt] |
|---|---|
| 0.01 | 0.0005204214 |
| 0.1 | 0.0052042137 |
| 1 | 0.0520421365 |
| 2 | 0.1040842731 |
| 3 | 0.1561264096 |
| 4 | 0.2081685462 |
| 5 | 0.2602106827 |
| 10 | 0.5204213654 |
| 20 | 1.0408427308 |
| 30 | 1.5612640962 |
| 40 | 2.0816854616 |
| 50 | 2.602106827 |
| 100 | 5.2042136539 |
| 500 | 26.0210682697 |
| 1000 | 52.0421365393 |
Frequently asked questions
How many imperial pints is 1 us fluid ounce?
How do I convert us fluid ounces to imperial pints?
How do I convert imperial pints back to us fluid ounces?
How many imperial pints is 100 us fluid ounces?
Popular volume unit conversions
Convert US Fluid Ounce to other volume units
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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 fl oz = 0.0520421365 pt) 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.