Convert Imperial Pint to US Pint
Convert imperial pints to us pints instantly. 1 imperial pint = 1.2009499255 us pint — use the live calculator, the exact formula, a conversion table and worked examples. Also check the US Pint 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 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 Pint to US Pint conversion formula
The relationship between imperial pints and us pints:
To convert imperial pints to us pints, multiply the value in imperial pints by 1.2009499255. To reverse, multiply us pints by 0.8326741846.
How to use this converter
Type a value into the calculator. The result in us 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 US Pint to Imperial Pint converter for the reverse direction.
Step-by-step: convert imperial pints to us pints
- Write down the value in imperial pints (pt).
- Multiply that value by the factor 1.2009499255.
- The product is the equivalent value in us pints (pt).
- To reverse, multiply the us pint value by 0.8326741846.
Worked examples
Example 1 — Convert 1 pt to pt:
1 × 1.2009499255 = 1.2009499255 pt
Example 2 — Convert 100 pt to pt:
100 × 1.2009499255 = 120.0949925505 pt
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 pints for direct comparison across supplier datasheets.
70 pt × 1.2009499255 = 84.0664947853 pt
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 × 1.2009499255 = 3.6028497765 pt
Real-world example — Plastic-film thickness alternates
A 150-imperial pint plastic film converts cleanly to us pints — useful for packaging buyers reconciling supplier datasheets across metric and US measurement systems.
150 pt × 1.2009499255 = 180.1424888257 pt
Imperial Pint to US Pint conversion table
Standard reference values for converting imperial pints to us pints:
| Imperial Pint [pt] | US Pint [pt] |
|---|---|
| 0.01 | 0.0120094993 |
| 0.1 | 0.1200949926 |
| 1 | 1.2009499255 |
| 2 | 2.401899851 |
| 3 | 3.6028497765 |
| 4 | 4.803799702 |
| 5 | 6.0047496275 |
| 10 | 12.009499255 |
| 20 | 24.0189985101 |
| 30 | 36.0284977651 |
| 40 | 48.0379970202 |
| 50 | 60.0474962752 |
| 100 | 120.0949925505 |
| 500 | 600.4749627524 |
| 1000 | 1200.9499255049 |
Frequently asked questions
How many us pints is 1 imperial pint?
How do I convert imperial pints to us pints?
How do I convert us pints back to imperial pints?
How many us pints is 100 imperial pints?
Popular volume unit conversions
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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 = 1.2009499255 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.