Convert Imperial Fluid Ounce to Imperial Pint
Convert imperial fluid ounces to imperial pints instantly. 1 imperial fluid ounce = 0.05 imperial pint — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Imperial Pint to Imperial Fluid Ounce converter for the reverse conversion.
Units explained
Imperial Fluid Ounce
An imperial fluid ounce is 1/160 of an imperial gallon (28.4131 mL).
Defined so that ten fluid ounces make an imperial half-pint.
Used in UK and Commonwealth recipes and labels.
UK, 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.
Imperial Fluid Ounce to Imperial Pint conversion formula
The relationship between imperial fluid ounces and imperial pints:
To convert imperial fluid ounces to imperial pints, multiply the value in imperial fluid ounces by 0.05. To reverse, multiply imperial pints by 20.
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 Imperial Fluid Ounce converter for the reverse direction.
Step-by-step: convert imperial fluid ounces to imperial pints
- Write down the value in imperial fluid ounces (fl oz).
- Multiply that value by the factor 0.05.
- The product is the equivalent value in imperial pints (pt).
- To reverse, multiply the imperial pint value by 20.
Worked examples
Example 1 — Convert 1 fl oz to pt:
1 × 0.05 = 0.05 pt
Example 2 — Convert 100 fl oz to pt:
100 × 0.05 = 5 pt
Real-world example — Hair-width scale measurements
A 70-imperial 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 × 0.05 = 3.5 pt
Real-world example — Paper and film thicknesses
At the thickness of office paper (roughly 3 imperial fluid ounces), converting between sub-millimeter units is routine for packaging and printing buyers comparing quotes from metric and US suppliers.
3 fl oz × 0.05 = 0.15 pt
Real-world example — Plastic-film thickness alternates
A 150-imperial 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 × 0.05 = 7.5 pt
Imperial Fluid Ounce to Imperial Pint conversion table
Standard reference values for converting imperial fluid ounces to imperial pints:
| Imperial Fluid Ounce [fl oz] | Imperial Pint [pt] |
|---|---|
| 0.01 | 0.0005 |
| 0.1 | 0.005 |
| 1 | 0.05 |
| 2 | 0.1 |
| 3 | 0.15 |
| 4 | 0.2 |
| 5 | 0.25 |
| 10 | 0.5 |
| 20 | 1 |
| 30 | 1.5 |
| 40 | 2 |
| 50 | 2.5 |
| 100 | 5 |
| 500 | 25 |
| 1000 | 50 |
Frequently asked questions
How many imperial pints is 1 imperial fluid ounce?
How do I convert imperial fluid ounces to imperial pints?
How do I convert imperial pints back to imperial fluid ounces?
How many imperial pints is 100 imperial fluid ounces?
Popular volume unit conversions
Convert Imperial Fluid Ounce 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)
Sources & references
Conversion factor (1 fl oz = 0.05 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 Hydrographic Organization — Resolution on the Nautical Mile
International authority that standardised the nautical mile at exactly 1852 m in 1929 — the value adopted worldwide for sea and air navigation.