US Fluid Ounce to Milliliter Conversion Chart
| US Fluid Ounce (fl oz) | Milliliter (ml) | Reference Benchmark | Formula Step |
|---|---|---|---|
| 0.25 fl oz | 7.393382 ml | Quarter-Ounce Medicinal Liquid Dose Measure | 0.25 × 29.57353 = 7.393382 ml |
| 0.5 fl oz | 14.786765 ml | Half-Ounce Standard Culinary Tablespoon Dose | 0.5 × 29.57353 = 14.786765 ml |
| 1 fl oz | 29.57353 ml | Standard Single US Spirits Bar Shot Measure | 1 × 29.57353 = 29.57353 ml |
| 1.5 fl oz | 44.360295 ml | Double Cocktail Jigger Pour Liquid Volume Measure | 1.5 × 29.57353 = 44.360295 ml |
| 2 fl oz | 59.14706 ml | Small Medical Infusion Reagent Bottle Measure | 2 × 29.57353 = 59.14706 ml |
| 4 fl oz | 118.29412 ml | Small Juice Drink Carton Retail Container Measure | 4 × 29.57353 = 118.29412 ml |
| 6 fl oz | 177.44118 ml | Standard Coffee House Ceramic Cup Serving Volume | 6 × 29.57353 = 177.44118 ml |
| 8 fl oz | 236.58824 ml | One Standard US Customary Fluid Cup Serving | 8 × 29.57353 = 236.58824 ml |
| 10 fl oz | 295.7353 ml | Small Ready-to-Drink Fruit Smoothie Bottle | 10 × 29.57353 = 295.7353 ml |
| 12 fl oz | 354.88236 ml | Standard US Retail Aluminum Beverage Soda Can | 12 × 29.57353 = 354.88236 ml |
| 16 fl oz | 473.17648 ml | One Full US Liquid Pint Draft Beer Glass Pour | 16 × 29.57353 = 473.17648 ml |
| 20 fl oz | 591.4706 ml | Venti Size Coffee Beverage Drink Serving Volume | 20 × 29.57353 = 591.4706 ml |
| 24 fl oz | 709.76472 ml | Insulated Stainless Sports Hydration Bottle Measure | 24 × 29.57353 = 709.76472 ml |
| 32 fl oz | 946.35296 ml | One US Quart Automotive Synthetic Oil Bottle | 32 × 29.57353 = 946.35296 ml |
| 64 fl oz | 1892.70592 ml | Half-Gallon Supermarket Dairy Jug Liquid Measure | 64 × 29.57353 = 1892.70592 ml |
US Fluid Ounce to Milliliter Formula & Unit Definitions
One US fluid ounce contains exactly 29.5735295625 milliliters (1 fl oz ≈ 29.57 mL). To convert US fluid ounces to milliliters, multiply by 29.57353. To reverse from milliliters to US fluid ounces, divide by 29.57353 (or multiply by 0.033814023).
Quick Estimation: One US fluid ounce is roughly 30 mL. Multiply fluid ounces by 30 (or by 29.57 for precision) for a fast estimate.
US Fluid Ounce (fl oz)
US Customary Liquid Unit- Creator & Origin: Codified under Queen Anne’s 1707 British wine gallon as 1/128th of a gallon.
- Standard Definition: Defined by NIST as exactly 29.5735295625 mL (1.8046875 cubic inches).
- Everyday Focus: Soda cans, perfume bottles, medicine cups, and sports hydration bottles.
Milliliter Scale (mL)
Submultiple Metric Unit- Creator & Origin: Codified in France in 1795 as 1/1000th of a liter.
- Standard Definition: Recognized by BIPM as exactly 10⁻⁶ cubic meters or 1 cm³.
- Everyday Focus: Beverage bottles, clinical medicine syringes, and culinary measuring spoons.
Frequently Asked Questions
Q.How many milliliters are in one US fluid ounce?
One US fluid ounce equals exactly 29.5735295625 milliliters (approximately 29.57 mL).
Q.What is the formula to convert US fluid ounces to milliliters?
The formula is: Milliliters = US Fluid Ounces × 29.57353. For example, 8 fl oz × 29.57353 ≈ 236.59 mL.
Q.How do I reverse this calculation from milliliters to US fluid ounces?
To convert milliliters back to US fluid ounces, divide by 29.57353 (or multiply by 0.033814023). You can also use our Milliliter to US Fluid Ounce Converter.
Q.Is a fluid ounce based on weight or volume?
A fluid ounce is strictly a measure of liquid volume, unlike the avoirdupois ounce which measures weight/mass.