16 Ounces to Gallons [liquid]

16 fl oz = 0.125 gal

Calculation: gal = 16 fl oz × 0.0078125 = 0.125 gal

Ounce to Gallon [liquid] Converter

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How much is 16 fl oz?

473 mL (16 fl oz) is about a standard water bottle (500 mL / 16.9 fl oz).

What does 16 fl oz look like?

Illustration of a water bottle
473 mL (16 fl oz) is about a standard water bottle (500 mL / 16.9 fl oz).

16 fl oz on the gallon [liquid] scale

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16 fl oz = 0.125 gal

Did you know? Water bottle (standard) is 500 mL.

The standard single-serve water bottle is 500 mL (16.9 fl oz), half a liter.

How to Convert Ounce to Gallon [liquid]

1 ounce = 0.0078125 gallons [liquid]

Gallon [liquid] = Ounce × 0.0078125

Example: 16 fl oz × 0.0078125 = 18 gal

Reverse Conversion

To convert gallons [liquid] back to ounces:

  • Remember, 1 gallon [liquid] equals 128 ounces.
  • To convert 18 gal to fl oz, multiply 18 x 128, resulting in 16 fl oz.

16 fl oz is also equal to:

Frequently Asked Questions

How much is 16 ounces in gallons [liquid]?

16 ounces equals 0.125 gallons [liquid]. This is calculated by multiplying 16 by the conversion factor 0.0078125.

What does 16 ounces look like in gallons [liquid]?

16 ounces (0.125 gallons [liquid]) is a pint to a quart — a large glass or a small bottle.

How do you calculate 16 ounces to gallons [liquid]?

Multiply 16 by the conversion factor 0.0078125. The calculation is 16 × 0.0078125 = 0.125 gallons [liquid]. This factor is defined by international measurement standards.

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16 ounces = 0.125 gallons [liquid]
16 ounces = 0.125 gallons [liquid] — conversion chart

Nearby Conversions

2 ounces0.01563 gallons [liquid] 4 ounces0.03125 gallons [liquid] 6 ounces0.04688 gallons [liquid] 8 ounces0.0625 gallons [liquid] 10 ounces0.07813 gallons [liquid] 12 ounces0.09375 gallons [liquid] 14 ounces0.1094 gallons [liquid] 18 ounces0.1406 gallons [liquid] 20 ounces0.1563 gallons [liquid] 22 ounces0.1719 gallons [liquid] 24 ounces0.1875 gallons [liquid] 26 ounces0.2031 gallons [liquid] 28 ounces0.2188 gallons [liquid] 30 ounces0.2344 gallons [liquid] 32 ounces0.25 gallons [liquid] 34 ounces0.2656 gallons [liquid] 36 ounces0.2813 gallons [liquid]

For general conversions between ounces and gallons [liquid], see the ounces to gallons [liquid] converter.

Also convert Ounces to:

Conversion factors verified against NIST, BIPM, ISO 80000-3 1 US gallon = 3.785411784 L (exact, US customary). Last reviewed: March 2026
Adilson Fernandes By Adilson Fernandes
Tiago Fernandes Reviewed by Tiago Fernandes

All unit conversions on CoolConversion use conversion factors defined or documented by internationally recognised standards bodies (such as ISO and NIST), including both SI and non-SI units.