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Volume

Browse Volume conversions

1 US fluid ounce = 0.007813 US gallon

Reviewed June 18, 2026 Linear conversions use exact SI and international definitions where available. No account, tracking login, or third-party scoring required.
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Formula Summary

Result: 1 US fluid ounce = 0.007813 US gallon

Formula: (1 x 0.029573529562) / 3.785411784

Rounding: Displayed to 6 decimal places by default, trimmed for readability. Use Detailed or Scientific for more precision.

Real World Context

0.007813 US gallon is approximately:

  • about a small medicine cup
  • about 0.125 US cups
Unit Story

US fluid ounce

A US fluid ounce measures volume, not weight. That is why fluid ounces and ounces can mean different things depending on context.

US gallon

A US gallon is 4 quarts, 8 pints, or 16 cups. It is common for fuel, milk jugs, and larger liquid containers in the United States.

How This Conversion Works

US fluid ounce and US gallon are both used for volume conversions. This page converts 1 US fluid ounce into 0.007813 US gallon using the formula shown below.

Use this result for quick checks, comparisons, and everyday reference. For work that depends on exact precision, review the rounding setting and the assumption note before using the number.

The precision controls let you switch between a shorter result, the standard readable result, and scientific notation when the value is very large or very small.

Unit Notes
  • 1 US fluid ounce (fl oz) equals 0.0295735296 liter.
  • 1 US gallon (gal) equals 3.785411784 liter.

Questions

How do you convert US fluid ounce to US gallon?

This page converts US fluid ounce to US gallon using this formula: (1 x 0.029573529562) / 3.785411784.

What is 1 US fluid ounce in US gallon?

1 US fluid ounce equals 0.007813 US gallon.

How many decimals does this converter show?

Displayed to 6 decimal places by default, trimmed for readability. Use Detailed or Scientific for more precision. The precision buttons can also show a shorter result or scientific notation.

Equivalent Values
0.0295735296 liter
29.5735295625 milliliter
0.0000295735 cubic meter
29.5735295625 cubic centimeter
0.0078125 US gallon
0.03125 US quart
0.0625 US pint
0.125 US cup
1 US fluid ounce
2 US tablespoon
6 US teaspoon
Nearby Values
0.5 US fluid ounce 0.00390625 US gallon
1 US fluid ounce 0.0078125 US gallon
2 US fluid ounce 0.015625 US gallon
5 US fluid ounce 0.0390625 US gallon
10 US fluid ounce 0.078125 US gallon
Full Details
Formula
(1 x 0.029573529562) / 3.785411784
Rounding
Displayed to 6 decimal places by default, trimmed for readability. Use Detailed or Scientific for more precision.
Assumption
US customary volume units use US liquid measure unless a future page states otherwise.

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