Gallon (US) to Gallon (Imp)
1 gal = 0.83267 gal
Convert Gallon (US) (gal) to Gallon (Imp) (gal) with engineering-grade precision. Instant results, formula, and reference table below.
1 Gallon (US) ≈0.8326741846 Gallon (Imp)
How to convert Gallon (US) to Gallon (Imp) (gal to gal)
Converting Gallon (US)s to Gallon (Imp)s is critical for developers working with international data standards or scientific applications. This tool performs the calculation entirely on your client (browser) using JavaScript/WASM, ensuring zero latency and maximum privacy.
The Formula
1 gal = 0.832674 gal
Calculation Example
Let's say you want to convert 5 gal to gal:
- Input: 5 gal
- Calculation: 5 × 0.832674
- Result: 4.1634 gal
About the Gallon (US) to Gallon (Imp) conversion
The conversion factor from Gallon (US) (gal) to Gallon (Imp) (gal) is 0.83267, meaning 1 gal = 0.83267 gal and inversely 1 gal = 1.20095 gal. That makes the Gallon (Imp) the larger of the two units in the volume category, where the SI base unit is the liter. Every ratio here is derived from the SI/international definition rather than a rounded approximation, so results are stable across repeated conversions.
Need the reverse? Use the Gallon (Imp) to Gallon (US) converter.
Frequently Asked Questions
How do I convert Gallon (US) to Gallon (Imp)?
To convert Gallon (US) to Gallon (Imp), you need to multiply the gal value by 0.832674.
What is the formula for gal to gal?
The simple formula is: gal = gal × 0.832674.
Which is bigger: Gallon (US) or Gallon (Imp)?
A Gallon (Imp) is bigger. One Gallon (Imp) is equal to approx 1.2009 Gallon (US)s.
How many Gallon (US)s are in one Gallon (Imp)?
There are approximately 1.20095 Gallon (US)s in one Gallon (Imp).
Quick Conversion Table
| gal | gal |
|---|---|
| 1 | 0.8327 |
| 5 | 4.1634 |
| 10 | 8.3267 |
| 20 | 16.6535 |
| 50 | 41.6337 |
| 100 | 83.2674 |