# How Many ml are in an Ounce?

Last Updated : 01 Feb, 2024

The conversion between milliliters (ml) and ounces (oz) is a crucial aspect of volume measurement. In this article, we are going to discuss How many ml are in one Ounce.

## Answer: There are approximately 29.5735 milliliters in one fluid ounce.

This conversion is based on the relationship between the metric system and the US customary system:

• Fluid Ounce:
• A fluid ounce is a unit of volume in the US customary and imperial systems.
• It is used to measure liquids like water, beverages, and other fluids.
• Milliliter:
• A milliliter is a unit of volume in the metric system.
• It is commonly used worldwide for many scientific and medical measurements.
• Conversion Factor:
• The exact conversion factor is 1 US fluid ounce equals 29.5735 milliliters.
• Therefore, to convert fluid ounces to milliliters, multiply the number of ounces by 29.5735.

### Hence, one Ounce is about 29.5735 milliliters.

This conversion is essential in various fields, including cooking, medicine, and science, especially when precise measurements of liquid volumes are required and there is a need to switch between the different measurement systems.