---
title: "1,000 fl oz to gal = 7.8125 gal"
description: "1,000 US fluid ounces is 7.8125 US gallons. The arithmetic, a table of nearby values, and a converter for any other number."
url: https://atoneplace.net/convert/1000-fl-oz-to-gallons/
site: "At One Place"
---

# 1,000 fl oz to gal

**1,000 US fluid ounces in US gallons: 1,000 fl oz = 7.8125 gal**

gal = fl oz × 0.0078125

1,000 US fluid ounces is 7.8125 US gallons. To get there, multiply by 0.0078125.

## Values either side

*US fluid ounces near 1,000, converted to US gallons.*

| US fluid ounces | US gallons |
| --- | --- |
| 350 fl oz | 2.734375 |
| 400 fl oz | 3.125 |
| 500 fl oz | 3.90625 |
| 750 fl oz | 5.859375 |
| 1,000 fl oz ← | 7.8125 |

## How the conversion works

The relationship is gal = fl oz × 0.0078125. Both units measure volume, so the conversion is a fixed factor that never changes. The figure is exact rather than approximate: since the international yard and pound agreement of 1959, an inch is defined as exactly 25.4 millimetres and a pound as exactly 0.45359237 kilograms, and every other imperial and US customary unit here is derived from those two.

> US gallon: US liquid gallon. The imperial gallon is about 20% larger.

## Common questions

### What is 1,000 fl oz in US gallons?

1,000 fl oz is 7.8125 gal.

### How do you convert US fluid ounces to US gallons?

Multiply by 0.0078125.

## Related pages

- [US fluid ounces to US gallons](https://atoneplace.net/convert/fl-oz-to-gallons/)
- [1,000 gal to fl oz](https://atoneplace.net/convert/1000-gallons-to-fl-oz/)
- [350 fl oz to gal](https://atoneplace.net/convert/350-fl-oz-to-gallons/)
- [400 fl oz to gal](https://atoneplace.net/convert/400-fl-oz-to-gallons/)
- [500 fl oz to gal](https://atoneplace.net/convert/500-fl-oz-to-gallons/)
- [750 fl oz to gal](https://atoneplace.net/convert/750-fl-oz-to-gallons/)

## Sources

- Guide for the Use of the International System of Units (SP 811) — NIST (https://www.nist.gov/pml/special-publication-811) [Public domain (US Government)]
- The International System of Units (SI Brochure) — Bureau International des Poids et Mesures (https://www.bipm.org/en/publications/si-brochure)
- Calculated on this page — At One Place (/about/)