Why Convert Milliliters to US Fluid Ounces?
Converting between milliliters (mL) and us fluid ounces (fl oz (US)) is one of the most common volume conversions. Whether for engineering, cooking, travel, or science, knowing how to quickly convert mL to fl oz (US) saves time and prevents errors.
Volume conversions (mL to fl oz (US)) play a key role in the automotive industry, cooking, and chemical manufacturing. Drivers comparing engine displacement or fuel tank capacity need clear conversions to understand vehicle performance and range. In the kitchen, converting liquid ingredients like milk, oil, or broth is essential when adapting recipes from different regions. For industrial applications, mixing chemical solutions requires exact volume measurements to maintain product stability and safety. An error in volume conversion can lead to mechanical failures, ruined culinary creations, or hazardous chemical reactions, making precision indispensable.
How to Convert Milliliters to US Fluid Ounces
To convert milliliters to us fluid ounces, use the following formula:
fl oz (US) = mL × 0.0338140227
Example: 1 mL = 0.0338140227 fl oz (US)
For example, 5 mL = 0.1690701135 fl oz (US), 10 mL = 0.338140227 fl oz (US), and 100 mL = 3.38140227 fl oz (US). For larger values, 1000 mL = 33.8140227 fl oz (US). Conversely, 1 fl oz (US) = 29.57352956 mL. Our calculator above performs this conversion instantly with full precision — no rounding errors.
Common Use Cases
- TSA carry-on liquid limit (3-1-1 rule): 100 mL = 3.38140227 fl oz (US)
- Standard soda/beer can: 330 mL = 11.15862749 fl oz (US)
- Standard water bottle: 500 mL = 16.90701135 fl oz (US)
- Small juice box: 250 mL = 8.453505675 fl oz (US)
- One tablespoon (cooking): 15 mL = 0.5072103405 fl oz (US)
Common Mistakes to Avoid
- Fluid vs Dry: confusing fluid pints/quarts with dry pints/quarts.
- US vs Imperial: US gallons are smaller than UK Imperial gallons.
- Cubic conversion: forgetting to cube linear factors (1 m = 100 cm, 1 m³ = 1,000,000 cm³).
Pro Tips
- Cooking spoon: 1 Tablespoon = 3 Teaspoons = 15 ml.
- Cup size: A standard US cup is 240ml, but metric cup is often 250ml.
- Cube visual: 1 cubic meter is a box 1m x 1m x 1m (huge!).
What is a Milliliter?
The milliliter (mL) is a metric unit of volume equal to one-thousandth of a liter. One milliliter occupies the same volume as one cubic centimeter.
Milliliters are used globally for measuring small amounts of liquid, dosages of medicine, beverage packaging, and cooking ingredients.
What is a US Fluid Ounce?
The US fluid ounce (fl oz) is a unit of volume. It is equal to 1/128 of a US gallon, or approximately 29.57 milliliters.
Fluid ounces are widely used in the US for beverage labeling (soda, beer), medicine dosages, and liquid products.