Convert Imperial Pint to US Fluid Ounce
Convert imperial pints to us fluid ounces instantly. 1 imperial pint = 19.2151988081 us fluid ounce — use the live calculator, the exact formula, a conversion table and worked examples. Also check the US Fluid Ounce to Imperial Pint converter for the reverse conversion.
Units explained
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
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 to US Fluid Ounce conversion formula
The relationship between imperial pints and us fluid ounces:
To convert imperial pints to us fluid ounces, multiply the value in imperial pints by 19.2151988081. To reverse, multiply us fluid ounces by 0.0520421365.
How to use this converter
Type a value into the calculator. The result in us fluid ounces updates as you type. Tap a quick value, copy the result with one click, or use the swap arrow to jump straight to the US Fluid Ounce to Imperial Pint converter for the reverse direction.
Step-by-step: convert imperial pints to us fluid ounces
- Write down the value in imperial pints (pt).
- Multiply that value by the factor 19.2151988081.
- The product is the equivalent value in us fluid ounces (fl oz).
- To reverse, multiply the us fluid ounce value by 0.0520421365.
Worked examples
Example 1 — Convert 1 pt to fl oz:
1 × 19.2151988081 = 19.2151988081 fl oz
Example 2 — Convert 100 pt to fl oz:
100 × 19.2151988081 = 1921.5198808078 fl oz
Real-world example — Paper and film thicknesses
At the thickness of office paper (roughly 3 imperial pints), converting between sub-millimeter units is routine for packaging and printing buyers comparing quotes from metric and US suppliers.
3 pt × 19.2151988081 = 57.6455964242 fl oz
Real-world example — Plastic-film thickness alternates
A 150-imperial pint plastic film converts cleanly to us fluid ounces — useful for packaging buyers reconciling supplier datasheets across metric and US measurement systems.
150 pt × 19.2151988081 = 2882.2798212117 fl oz
Real-world example — Hair-width scale measurements
A 70-imperial pint measurement (about the diameter of a human hair) is the kind of value materials engineers regularly express in adjacent micro-scale units like us fluid ounces for direct comparison across supplier datasheets.
70 pt × 19.2151988081 = 1345.0639165654 fl oz
Imperial Pint to US Fluid Ounce conversion table
Standard reference values for converting imperial pints to us fluid ounces:
| Imperial Pint [pt] | US Fluid Ounce [fl oz] |
|---|---|
| 0.01 | 0.1921519881 |
| 0.1 | 1.9215198808 |
| 1 | 19.2151988081 |
| 2 | 38.4303976162 |
| 3 | 57.6455964242 |
| 4 | 76.8607952323 |
| 5 | 96.0759940404 |
| 10 | 192.1519880808 |
| 20 | 384.3039761616 |
| 30 | 576.4559642423 |
| 40 | 768.6079523231 |
| 50 | 960.7599404039 |
| 100 | 1921.5198808078 |
| 500 | 9607.5994040388 |
| 1000 | 19215.1988080777 |
Frequently asked questions
How many us fluid ounces is 1 imperial pint?
How do I convert imperial pints to us fluid ounces?
How do I convert us fluid ounces back to imperial pints?
How many us fluid ounces is 100 imperial pints?
Popular volume unit conversions
Convert Imperial Pint to other volume units
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Metric / SI (8 units)
US Customary (Liquid) (8 units)
Imperial (UK) (3 units)
Cubic (length-derived) (3 units)
Cooking / Culinary (3 units)
Sources & references
Conversion factor (1 pt = 19.2151988081 fl oz) 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.