Fl Oz to Liters

Fluid Ounces to Liters Conversion Formula

To convert US fluid ounces to liters, use this simple formula:

The US fluid ounce is defined as exactly 0.0295735295625 liters (29.5735 ml). The fluid ounce is a unit of volume and should not be confused with the ounce of weight.

Step-by-Step Volume Conversion Guide

1. Take your volume in US fluid ounces
2. Multiply it by 0.0295735 (the number of liters in one fluid ounce)
3. Get your result in liters

Common Fluid Ounces to Liters Conversions

Practical Applications of Fl Oz to Liters Converter

• Beverages: Converting US bottle and can sizes to liters — a 16 fl oz drink is 0.4732 L
• Cooking & brewing: Scaling US liquid ingredients to metric batches
• Water bottles: Comparing hydration goals across labeling systems
• Chemistry: Preparing solutions from US-labeled volumes
• Travel: Reading capacities on US-market products
• Fuel & oils: Small container volumes quoted in ounces

History of Volume Measurement

The fluid ounce is a customary unit of volume; the US fluid ounce is 1/128 of a US gallon, exactly 0.0295735295625 liters. The liter is the metric unit equal to one cubic decimeter. The US fluid ounce differs from the imperial fluid ounce (0.0284131 L) used in the UK.

Quick Conversion Tips

For quick approximations, remember: about 34 fl oz make a liter, and 1 fl oz ≈ 0.03 L. To estimate liters, divide the ounces by 34: 64 fl oz ÷ 34 ≈ 1.9 L. For precise results, use the exact factor of 0.0295735.