Convert US Gallon to Imperial Pint
Convert us gallons to imperial pints instantly. 1 us gallon = 6.661393477 imperial pint — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Imperial Pint to US Gallon converter for the reverse conversion.
Units explained
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
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 to Imperial Pint conversion formula
The relationship between us gallons and imperial pints:
To convert us gallons to imperial pints, multiply the value in us gallons by 6.661393477. To reverse, multiply imperial pints by 0.1501187407.
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 US Gallon converter for the reverse direction.
Step-by-step: convert us gallons to imperial pints
- Write down the value in us gallons (gal).
- Multiply that value by the factor 6.661393477.
- The product is the equivalent value in imperial pints (pt).
- To reverse, multiply the imperial pint value by 0.1501187407.
Worked examples
Example 1 — Convert 1 gal to pt:
1 × 6.661393477 = 6.661393477 pt
Example 2 — Convert 100 gal to pt:
100 × 6.661393477 = 666.1393477032 pt
Real-world example — Adjacent small-scale precision
One us gallon equals 1,000 imperial pints — the standard sub-millimeter precision conversion that materials engineers use whenever they switch between bulk material thickness specs (larger unit) and surface-finish characteristics (smaller unit).
1 gal × 6.661393477 = 6.661393477 pt
Real-world example — Adjacent metric sub-units
One us gallon equals 1,000 imperial pints. Engineers move between these scales constantly: PCB feature sizes in the larger unit, wire-bond diameters in the smaller.
1 gal × 6.661393477 = 6.661393477 pt
US Gallon to Imperial Pint conversion table
Standard reference values for converting us gallons to imperial pints:
| US Gallon [gal] | Imperial Pint [pt] |
|---|---|
| 0.01 | 0.0666139348 |
| 0.1 | 0.6661393477 |
| 1 | 6.661393477 |
| 2 | 13.3227869541 |
| 3 | 19.9841804311 |
| 4 | 26.6455739081 |
| 5 | 33.3069673852 |
| 10 | 66.6139347703 |
| 20 | 133.2278695406 |
| 30 | 199.841804311 |
| 40 | 266.4557390813 |
| 50 | 333.0696738516 |
| 100 | 666.1393477032 |
| 500 | 3330.696738516 |
| 1000 | 6661.3934770319 |
Frequently asked questions
How many imperial pints is 1 us gallon?
How do I convert us gallons to imperial pints?
How do I convert imperial pints back to us gallons?
How many imperial pints is 100 us gallons?
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Metric / SI (15 units)
US Customary (Liquid) (14 units)
US Customary (Dry) (5 units)
Imperial (UK) (14 units)
Cubic (length-derived) (4 units)
Cooking / Culinary (5 units)
Sources & references
Conversion factor (1 gal = 6.661393477 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 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.