What is the relationship between ounces and milliliters for 1 ounce?

The conversion between ounces and milliliters is a fundamental measurement in both cooking and science. One ounce is approximately equivalent to 29.57 milliliters. For practical purposes, this is often rounded to 30 milliliters. Choosing 30 milliliters as the relationship for 1 ounce aligns with this commonly accepted approximation, making it a useful and easy-to-remember figure in everyday situations where measurements may need to be converted. This value helps facilitate tasks such as converting recipes or understanding liquid volumes in medical dosing, where precise measurements can be critical.