oz to ml
Unit Converters

oz to ml

Convert US fluid ounces to milliliters (or milliliters to fluid ounces) instantly. Type a value in either field and the other updates live; use the swap button to flip the direction.

gallons to liters Convert US gallons to liters and back. liters to gallons Convert liters to US gallons and back. ml to oz Convert milliliters to US fluid ounces and back. Unit Converter Length, weight, temperature, volume, speed, and data.

How It Works

One US fluid ounce is about 29.5735 milliliters, so to convert US fluid ounces to milliliters you multiply by 29.5735. To go the other way, divide milliliters by 29.5735.

Frequently Asked Questions

How many milliliters are in one US fluid ounce?
One US fluid ounce is approximately 29.5735 milliliters. Multiply fluid ounces by 29.5735 to get the exact milliliter equivalent.
Is this the same as an imperial fluid ounce?
No. The US fluid ounce (29.5735 ml) is slightly larger than the imperial fluid ounce (28.4131 ml). This converter uses the US standard.
How many ml is a standard 8 oz glass?
A standard 8 US fluid ounce glass holds approximately 236.59 milliliters (8 × 29.5735), which is why nutrition labels round a cup to 240 ml.

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