Convert volume units — liters, gallons, cups, milliliters, cubic meters, pints, quarts.
| Unit | Name | Value |
|---|---|---|
| L | Liter | 0.001 |
| m³ | Cubic Meter | 0.000001 |
| gal(US) | US Gallon | 0.00026417218 |
| gal(UK) | UK Gallon | 0.00021996925 |
| qt | US Quart | 0.0010566881 |
| pt | US Pint | 0.0021133785 |
| cup | US Cup | 0.0042267571 |
| fl oz | Fluid Ounce | 0.033814057 |
Common milliliter values converted to fluid ounce — factor: 1 mL = 0.03381 fl oz
| Milliliter (mL) | Fluid Ounce (fl oz) | Context |
|---|---|---|
| 1 mL | 0.03381 fl oz | Eyedrop |
| 5 mL | 0.1691 fl oz | Teaspoon |
| 10 mL | 0.3381 fl oz | Tablespoon |
| 15 mL | 0.5072 fl oz | Tablespoon |
| 30 mL | 1.014 fl oz | Shot glass |
| 60 mL | 2.029 fl oz | Double shot |
| 100 mL | 3.381 fl oz | Half cup |
| 150 mL | 5.072 fl oz | Half cup |
| 240 mL | 8.115 fl oz | One cup |
| 355 mL | 12 fl oz | Soda can |
| 500 mL | 16.91 fl oz | Water bottle |
| 750 mL | 25.36 fl oz | Wine bottle |
| 1,000 mL | 33.81 fl oz | One liter |
| 1,500 mL | 50.72 fl oz | Large bottle |
| 3,785 mL | 128 fl oz | One gallon |
Converting milliliter to fluid ounce comes up frequently in cooking, chemistry, medicine, and engineering. A recipe written in metric units may need to be adapted for a kitchen using fluid ounce, or a laboratory protocol may specify volumes in milliliter that need to be measured with equipment calibrated in fluid ounce.
In everyday use, knowing that 5 mL = 0.1691 fl oz and 10 mL = 0.3381 fl oz covers most common situations. For bulk calculations, 100 mL = 3.381 fl oz is a useful anchor. The reverse conversion — fluid ounce back to milliliter — uses the factor 29.57, so 1 fl oz = 29.57 mL.
All conversions use the internationally recognized factor of exactly 1 mL = 0.03381 fl oz. Calculations are performed in IEEE 754 double-precision floating point, giving accuracy to at least 8 significant figures — more than sufficient for any practical application.
Formula: Fluid Ounce = Milliliter × 0.033814057
Multiply any milliliter value by 0.033814057 to get fluid ounce. One milliliter equals 0.033814057 fl oz.
Reverse: Milliliter = Fluid Ounce × 29.5735
mL ÷ 29.57 = fl oz. Round to ÷ 30 for quick estimates (1.4% high).
One fl oz ≈ 30 mL. A shot glass (1.5 fl oz) ≈ 44 mL.
Standard can anchor: 355 mL = 12 fl oz.
Measures liquid medication doses, compound quantities, and vial volumes in milliliters for precise dispensing.
Scales extracts, food colorings, and liquid flavorings in mL for consistent batch replication.
Pipettes reagents, prepares serial dilutions, and calibrates instruments using mL graduations.
Calculates weight-based medication doses converted to mL for syringe administration.
Blends fragrance accords in small mL batches with high precision and high ingredient costs.
Develops skincare products in 50-500 mL batches before scaling to full production.
The milliliter is one-thousandth of a liter, in use since the metric system was codified in France in 1795. The milli- prefix (from Latin mille, thousand) was standardized as part of the original SI prefix system.
Milliliters are the workhorse of medicine and cooking: syringes, dropper bottles, and nutritional labels all rely on mL for precise small-volume measurement. A standard US teaspoon is approximately 4.929 mL.
Interesting fact: The milliliter is numerically identical to the cubic centimeter (cm³), so 1 mL = 1 cm³ exactly. This equivalence is widely used in medicine, where a 5 cc syringe holds exactly 5 mL.
The US fluid ounce is defined as 1/128 of a US gallon, exactly 29.5735 mL. The US and UK fl oz differ: the US is 29.57 mL while the Imperial fl oz is 28.41 mL.
Fluid ounces appear on every US beverage container: a soda can is 12 fl oz, a water bottle is 16.9 fl oz, and a US shot glass is 1.5 fl oz.
Interesting fact: Despite sharing the name 'ounce', the fluid ounce measures volume, not weight. One fl oz of water weighs about 1.04 oz, but one fl oz of honey weighs about 1.5 oz.