US Gallons to Ounces for Water
Snapshot
For Water, 1 US Gallon equals about 133.13 Ounces. Conversion Encyclopedia keeps one material-density basis on this page so the calculator, common values, and reverse page stay aligned.
- Material basis: Water at 997 kg/m^3.
- Example: For 0.1 US Gallons of Water, the result is 13.312589 Ounces.
- Use the reverse page if you need the opposite direction with the same basis.
Use the interactive calculator below for custom values and the common-value table for quick checks.
Converter Calculator
133.125892 Ounces (Water)
SwitchExplanation
The converter converts ounces of Water from us gallons using one fixed density basis of 997 kg/m^3. The same density model is used in the calculator, common values, and mirror page so weight, mass, and volume checks stay aligned.
Approximate liquid water density near room temperature.
Common Conversion Values
| US Gallons (Water) | Ounces (Water) |
|---|---|
| 0.1 | 13.312589 |
| 0.25 | 33.281473 |
| 0.5 | 66.562946 |
| 1 | 133.125892 |
| 2 | 266.251784 |
| 5 | 665.629459 |
| 10 | 1,331.258918 |
| 25 | 3,328.147295 |
| 50 | 6,656.294591 |
| 100 | 13,312.589182 |
Frequently Asked Questions
How much oz is 1 gal (US) of Water?
1 gal (US) of Water equals 133.125892 oz on this page.
What density does this Water page use?
This page uses a fixed density of 997 kg/m^3 for Water.
Is there a reverse page with the same density basis?
Yes. Use the mirror page (/material-density/ounces-to-us-gallons/water/) to convert in the opposite direction with the same fixed density basis.