Convert Imperial Pint to Imperial Gallon
Convert imperial pints to imperial gallons instantly. 1 imperial pint = 0.125 imperial gallon — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Imperial Gallon 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.
Imperial Gallon
The imperial gallon is defined as exactly 4.54609 liters.
Set by the British Weights and Measures Act of 1824 as the volume of 10 lb of water.
Used for fuel and beverages in the UK and Commonwealth.
UK, 1824.
Imperial Pint to Imperial Gallon conversion formula
The relationship between imperial pints and imperial gallons:
To convert imperial pints to imperial gallons, multiply the value in imperial pints by 0.125. To reverse, multiply imperial gallons by 8.
How to use this converter
Type a value into the calculator. The result in imperial gallons 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 Gallon to Imperial Pint converter for the reverse direction.
Step-by-step: convert imperial pints to imperial gallons
- Write down the value in imperial pints (pt).
- Multiply that value by the factor 0.125.
- The product is the equivalent value in imperial gallons (gal).
- To reverse, multiply the imperial gallon value by 8.
Worked examples
Example 1 — Convert 1 pt to gal:
1 × 0.125 = 0.125 gal
Example 2 — Convert 100 pt to gal:
100 × 0.125 = 12.5 gal
Real-world example — Plastic film and laminate thickness
A 500-imperial pint sheet is a typical spec for ID-card laminates and film overlays. Converting to imperial gallons aligns the value with the unit most CAD systems and material datasheets prefer.
500 pt × 0.125 = 62.5 gal
Real-world example — Packaging gauge
A 4-imperial pint plastic bag thickness is a common spec for grocery and freezer bags. Converting from imperial pints to imperial gallons is what packaging buyers do whenever they bridge US and metric supplier quotes.
4 pt × 0.125 = 0.5 gal
Imperial Pint to Imperial Gallon conversion table
Standard reference values for converting imperial pints to imperial gallons:
| Imperial Pint [pt] | Imperial Gallon [gal] |
|---|---|
| 0.01 | 0.00125 |
| 0.1 | 0.0125 |
| 1 | 0.125 |
| 2 | 0.25 |
| 3 | 0.375 |
| 4 | 0.5 |
| 5 | 0.625 |
| 10 | 1.25 |
| 20 | 2.5 |
| 30 | 3.75 |
| 40 | 5 |
| 50 | 6.25 |
| 100 | 12.5 |
| 500 | 62.5 |
| 1000 | 125 |
Frequently asked questions
How many imperial gallons is 1 imperial pint?
How do I convert imperial pints to imperial gallons?
How do I convert imperial gallons back to imperial pints?
How many imperial gallons 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 = 0.125 gal) 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.