To convert ounces (oz) to milliliters (mL), you can use the conversion factor:
1 ounce (oz) ≈ 29.5735 milliliters (mL)
So, to find out how many milliliters are in 12 ounces:
12 ounces * 29.5735 milliliters/ounce ≈ 354.882 milliliters
Therefore, 12 ounces is approximately equal to 354.882 milliliters.