What is a fluid ounce?

Definition

fl oz

The fluid ounce (fl oz) is a US imperial unit of volume equal to approximately 29.57 ml.

Unit system

Imperial / US

Convert fluid ounces

Milliliters → Fluid Ounces Fluid Ounces → Milliliters Liters → Fluid Ounces Cubic Meters → Fluid Ounces Teaspoons → Fluid Ounces Tablespoons → Fluid Ounces Fluid Ounces → Liters Fluid Ounces → Cubic Meters

All volume units

Unit	Symbol	System
milliliters	ml	Metric
liters	L	Metric
cubic meters	m³	Metric
teaspoons	tsp	Imperial / US
tablespoons	tbsp	Imperial / US
fluid ounces	fl oz	Imperial / US
cups	cup	Imperial / US
pints	pt	Imperial / US
quarts	qt	Imperial / US
US gallons	gal	Imperial / US
imperial gallons	imp gal	Imperial / US
cubic feet	ft³	Imperial / US
cubic inches	in³	Imperial / US