Convert Fluid Ounces to Milliliters
Instantly convert Fluid Ounces (fl oz) to Milliliters (mL) with our free online calculator.
Formula: fl oz to mL — multiply by 29.5735
Reference Table
| Fluid Ounces (fl oz) | Milliliters (mL) |
|---|---|
| 1 | 29.5735 |
| 5 | 147.867 |
| 10 | 295.735 |
| 25 | 739.337 |
| 50 | 1478.67 |
| 100 | 2957.35 |
How to Convert Fluid Ounces to Milliliters
Formula
To convert Fluid Ounces (fl oz) to Milliliters (mL): multiply by 29.5735
Step-by-Step
- Start with your value in Fluid Ounces (fl oz).
- Multiply by 29.5735 to perform the conversion.
- The result is your value expressed in Milliliters (mL).
Conversion Factor
1 fl oz = 29.5735 mL
Reverse Factor
1 mL = 0.0338141 fl oz
Worked Example
Convert 25 Fluid Ounces to Milliliters: 25 fl oz = 739.337 mL
About Fluid Ounce (fl oz)
A US customary unit of liquid volume equal to exactly 1/128 of a US gallon (≈ 29.5735 mL). Fluid ounces are the universal US small-liquid-volume retail unit: beverage containers (a standard US Coke can is 12 fl oz, a Starbucks Grande is 16 fl oz, Trenta 30 fl oz), shampoo / lotion / personal-care bottles, US cocktail and bartending recipes (1.5 fl oz is the standard 'jigger' shot), wine pours (a standard restaurant pour is 5 fl oz; a generous home pour 6 fl oz), and home-cooking liquid measurements. **Important**: the US fluid ounce (29.5735 mL) is NOT the same as the UK Imperial fluid ounce (28.4131 mL) — the ~4% difference is usually inconsequential at consumer level but matters when scaling industrial formulations. The US fluid ounce is also distinct from the avoirdupois ounce (a weight unit ≈ 28.35 g), although for plain water the numerical values happen to coincide closely (1 US fl oz of water ≈ 1.04 oz mass).
About Milliliter (mL)
A metric unit of volume equal to exactly one thousandth of a litre (0.001 L) and exactly one cubic centimeter (1 mL ≡ 1 cm³ per BIPM). The mL is the universal small-volume unit in clinical medicine and pharmacy (USP / EP / JP / BP / IP pharmacopoeial dosing per ISO 13485 medical-device standards), laboratory chemistry (titration burettes, analytical glassware per ASTM E542), small-batch cooking outside the US, perfume and personal-care products (EU Cosmetic Regulation requires labelling in mL), and beverage packaging (a 500 mL water bottle, 750 mL wine, 700 mL standard spirits bottle in most of the world / 750 mL in US). Reference values: a typical Luer-lock medical syringe 1-60 mL, US shot glass ~44 mL (1.5 fl oz), standard saline IV bag 250-1,000 mL, espresso shot ~30 mL, retail vape juice 30/60/120 mL. In medical and laboratory contexts, mL and cc (cubic centimeters) are used interchangeably — both equal one cm³.
Quick Facts
- 1 Fluid Ounce equals 29.5735 Milliliters
- 1 Milliliter equals 0.0338141 Fluid Ounces
- Fluid Ounce is a unit of volume
- Milliliter is a unit of volume
- This conversion is commonly used in cooking, chemistry, fluid mechanics, and everyday liquid measurement
- The Fluid Ounce belongs to the imperial system
- The Milliliter belongs to the metric system
Common Fluid Ounce to Milliliter Conversions
| Fluid Ounces (fl oz) | Milliliters (mL) |
|---|---|
| 0.01 | 0.295735 |
| 0.1 | 2.95735 |
| 0.25 | 7.39337 |
| 0.5 | 14.7867 |
| 1 | 29.5735 |
| 2 | 59.147 |
| 3 | 88.7205 |
| 5 | 147.867 |
| 10 | 295.735 |
| 15 | 443.603 |
| 20 | 591.47 |
| 25 | 739.337 |
| 50 | 1478.67 |
| 75 | 2218.01 |
| 100 | 2957.35 |
| 250 | 7393.38 |
| 500 | 14786.8 |
| 1000 | 29573.5 |
| 5000 | 147868 |
| 10000 | 295735 |
Understanding Fluid Ounces
The Fluid Ounce (symbol: fl oz) is a unit of volume. A US customary unit of liquid volume equal to exactly 1/128 of a US gallon (≈ 29.5735 mL). Fluid ounces are the universal US small-liquid-volume retail unit: beverage containers (a standard US Coke can is 12 fl oz, a Starbucks Grande is 16 fl oz, Trenta 30 fl oz), shampoo / lotion / personal-care bottles, US cocktail and bartending recipes (1.5 fl oz is the standard 'jigger' shot), wine pours (a standard restaurant pour is 5 fl oz; a generous home pour 6 fl oz), and home-cooking liquid measurements. **Important**: the US fluid ounce (29.5735 mL) is NOT the same as the UK Imperial fluid ounce (28.4131 mL) — the ~4% difference is usually inconsequential at consumer level but matters when scaling industrial formulations. The US fluid ounce is also distinct from the avoirdupois ounce (a weight unit ≈ 28.35 g), although for plain water the numerical values happen to coincide closely (1 US fl oz of water ≈ 1.04 oz mass).
It belongs to the imperial measurement system.
Fluid Ounces are commonly used in cooking, chemistry, fluid mechanics, and everyday liquid measurement.
Understanding Milliliters
The Milliliter (symbol: mL) is a unit of volume. A metric unit of volume equal to exactly one thousandth of a litre (0.001 L) and exactly one cubic centimeter (1 mL ≡ 1 cm³ per BIPM). The mL is the universal small-volume unit in clinical medicine and pharmacy (USP / EP / JP / BP / IP pharmacopoeial dosing per ISO 13485 medical-device standards), laboratory chemistry (titration burettes, analytical glassware per ASTM E542), small-batch cooking outside the US, perfume and personal-care products (EU Cosmetic Regulation requires labelling in mL), and beverage packaging (a 500 mL water bottle, 750 mL wine, 700 mL standard spirits bottle in most of the world / 750 mL in US). Reference values: a typical Luer-lock medical syringe 1-60 mL, US shot glass ~44 mL (1.5 fl oz), standard saline IV bag 250-1,000 mL, espresso shot ~30 mL, retail vape juice 30/60/120 mL. In medical and laboratory contexts, mL and cc (cubic centimeters) are used interchangeably — both equal one cm³.
It belongs to the metric measurement system.
Milliliters are commonly used in cooking, chemistry, fluid mechanics, and everyday liquid measurement.
Why Convert Fluid Ounces to Milliliters?
Volume conversions between Fluid Ounces and Milliliters are essential in cooking, chemistry, and fluid mechanics. Recipes from different countries use different measurement systems, laboratory procedures reference varying units, and engineers designing fluid systems need precise volume calculations for pipes, tanks, and pumps.
Frequently Asked Questions
How do I convert Fluid Ounces to Milliliters?
A US customary unit of liquid volume equal to exactly 1/128 of a US gallon (≈ 29. To convert Fluid Ounces to Milliliters, multiply by 29.5735. For example, 25 fl oz equals 739.337 mL.
How many Milliliters are in 1 Fluid Ounce?
There are 29.5735 Milliliters in 1 Fluid Ounce.
How many Fluid Ounces are in 1 Milliliter?
There are 0.0338141 Fluid Ounces in 1 Milliliter.
What is the formula for Fluid Ounce to Milliliter conversion?
The formula is: multiply by 29.5735. This means 1 fl oz = 29.5735 mL.
Is a Fluid Ounce bigger than a Milliliter?
No. One Fluid Ounce is smaller than one Milliliter because 1 fl oz equals 29.5735 mL, which is greater than 1.
When do you need to convert between Fluid Ounces and Milliliters?
A metric unit of volume equal to exactly one thousandth of a litre (0. Fluid Ounce and Milliliter are both volume units, so conversion comes up whenever one source of information uses one unit and another uses the other — a classic cross-reference challenge in engineering, trade, travel, and everyday life.