Convert Imperial Pint to US Gallon
Convert imperial pints to us gallons instantly. 1 imperial pint = 0.1501187407 us gallon — use the live calculator, the exact formula, a conversion table and worked examples. Also check the US 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.
US Gallon
The US liquid gallon is defined as exactly 231 cubic inches (3.785411784 liters).
Based on the English wine gallon of 231 cubic inches, retained by the US after 1824.
The primary US unit for fuel, milk and large beverage containers.
English wine gallon; US since 1824.
Imperial Pint to US Gallon conversion formula
The relationship between imperial pints and us gallons:
To convert imperial pints to us gallons, multiply the value in imperial pints by 0.1501187407. To reverse, multiply us gallons by 6.661393477.
How to use this converter
Type a value into the calculator. The result in us 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 US Gallon to Imperial Pint converter for the reverse direction.
Step-by-step: convert imperial pints to us gallons
- Write down the value in imperial pints (pt).
- Multiply that value by the factor 0.1501187407.
- The product is the equivalent value in us gallons (gal).
- To reverse, multiply the us gallon value by 6.661393477.
Worked examples
Example 1 — Convert 1 pt to gal:
1 × 0.1501187407 = 0.1501187407 gal
Example 2 — Convert 100 pt to gal:
100 × 0.1501187407 = 15.0118740688 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 us gallons aligns the value with the unit most CAD systems and material datasheets prefer.
500 pt × 0.1501187407 = 75.0593703441 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 us gallons is what packaging buyers do whenever they bridge US and metric supplier quotes.
4 pt × 0.1501187407 = 0.6004749628 gal
Imperial Pint to US Gallon conversion table
Standard reference values for converting imperial pints to us gallons:
| Imperial Pint [pt] | US Gallon [gal] |
|---|---|
| 0.01 | 0.0015011874 |
| 0.1 | 0.0150118741 |
| 1 | 0.1501187407 |
| 2 | 0.3002374814 |
| 3 | 0.4503562221 |
| 4 | 0.6004749628 |
| 5 | 0.7505937034 |
| 10 | 1.5011874069 |
| 20 | 3.0023748138 |
| 30 | 4.5035622206 |
| 40 | 6.0047496275 |
| 50 | 7.5059370344 |
| 100 | 15.0118740688 |
| 500 | 75.0593703441 |
| 1000 | 150.1187406881 |
Frequently asked questions
How many us gallons is 1 imperial pint?
How do I convert imperial pints to us gallons?
How do I convert us gallons back to imperial pints?
How many us 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 = 0.1501187407 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.