Fluid Ounce (US) to Gallon (US)
1 fl oz = 0.0078125 gal
Convert Fluid Ounce (US) (fl oz) to Gallon (US) (gal) with engineering-grade precision. Instant results, formula, and reference table below.
1 Fluid Ounce (US) ≈0.0078125 Gallon (US)
How to convert Fluid Ounce (US) to Gallon (US) (fl oz to gal)
Converting Fluid Ounce (US)s to Gallon (US)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 fl oz = 0.00781250 gal
Calculation Example
Let's say you want to convert 5 fl oz to gal:
- Input: 5 fl oz
- Calculation: 5 × 0.00781250
- Result: 0.0391 gal
About the Fluid Ounce (US) to Gallon (US) conversion
The conversion factor from Fluid Ounce (US) (fl oz) to Gallon (US) (gal) is 0.0078125, meaning 1 fl oz = 0.0078125 gal and inversely 1 gal = 128.00 fl oz. That makes the Gallon (US) 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 (US) to Fluid Ounce (US) converter.
Frequently Asked Questions
How do I convert Fluid Ounce (US) to Gallon (US)?
To convert Fluid Ounce (US) to Gallon (US), you need to multiply the fl oz value by 0.00781250.
What is the formula for fl oz to gal?
The simple formula is: gal = fl oz × 0.00781250.
Which is bigger: Fluid Ounce (US) or Gallon (US)?
A Gallon (US) is bigger. One Gallon (US) is equal to approx 128.0000 Fluid Ounce (US)s.
How many Fluid Ounce (US)s are in one Gallon (US)?
There are approximately 128.000 Fluid Ounce (US)s in one Gallon (US).
Quick Conversion Table
| fl oz | gal |
|---|---|
| 1 | 0.0078 |
| 5 | 0.0391 |
| 10 | 0.0781 |
| 20 | 0.1563 |
| 50 | 0.3906 |
| 100 | 0.7813 |