What Is a Fluid Ounce?
A fluid ounce (fl oz) is a unit of volume used primarily in the United States and the United Kingdom. In the US system, 1 fluid ounce equals approximately 29.5735 milliliters. It’s commonly used to measure beverages, cooking liquids, and other fluid products.
What Is a Liter?
A liter (L) is a metric unit of volume equal to 1,000 milliliters or 1 cubic decimeter. It is widely used around the world for measuring liquids, especially in scientific, culinary, and consumer contexts.
Conversion Formula: Ounces to Liters
To convert fluid ounces to liters, use the following formula:
Liters = Fluid Ounces × 0.0295735
For example, to convert 16 fl oz to liters:
16 × 0.0295735 = 0.473176 L
Quick Reference Table
| Fluid Ounces (US) | Liters |
|---|---|
| 1 fl oz | 0.02957 L |
| 8 fl oz | 0.23659 L |
| 16 fl oz | 0.47318 L |
| 32 fl oz | 0.94635 L |
| 64 fl oz | 1.89271 L |
Why This Conversion Matters
Understanding how to convert ounces to liters is essential for international recipes, product labeling, and travel. For example, many hydration bottles list capacity in ounces, while global standards use liters. Knowing the conversion helps ensure accurate fluid intake and compliance with packaging regulations.
