15 Ounces to Liters

15 fl oz ≈ 0.4436 L

Calculation: L = 15 fl oz × 0.0295735 ≈ 0.4436 L

Ounce to Liter Converter

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How much is 15 fl oz?

444 mL (15 fl oz) is about a standard water bottle (500 mL / 16.9 fl oz).

What does 15 fl oz look like?

Illustration of a water bottle
444 mL (15 fl oz) is about a standard water bottle (500 mL / 16.9 fl oz).

15 fl oz on the liter scale

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15 fl oz = 0.4436 L

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 Liter

1 ounce = 0.0295735 liters

Liter = Ounce × 0.0295735

Example: 15 fl oz × 0.0295735 = 0.4436 L

Reverse Conversion

To convert liters back to ounces:

  • Remember, 1 liter equals 33.814 ounces.
  • To convert 0.4436 L to fl oz, multiply 0.4436 x 33.814, resulting in 15 fl oz.

15 fl oz is also equal to:

Frequently Asked Questions

How much is 15 ounces in liters?

15 ounces equals 0.4436 liters. This is calculated by multiplying 15 by the conversion factor 0.0295735.

What does 15 ounces look like in liters?

15 ounces (0.4436 liters) is between a cup and a pint — a standard drinking glass.

How do you calculate 15 ounces to liters?

Multiply 15 by the conversion factor 0.0295735. The calculation is 15 × 0.0295735 = 0.4436 liters. This factor is defined by international measurement standards.

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15 ounces = 0.443603 liters
15 ounces = 0.443603 liters — conversion chart

Nearby Conversions

1 ounce0.02957 liters 3 ounces0.08872 liters 5 ounces0.1479 liters 7 ounces0.207 liters 9 ounces0.2662 liters 11 ounces0.3253 liters 13 ounces0.3845 liters 17 ounces0.5028 liters 19 ounces0.5619 liters 21 ounces0.621 liters 23 ounces0.6802 liters 25 ounces0.7393 liters 27 ounces0.7985 liters 29 ounces0.8576 liters 31 ounces0.9168 liters 33 ounces0.9759 liters 35 ounces1.035 liters

For general conversions between ounces and liters, see the ounces to liters 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.