Milliliters to Fluid Ounces
Convert milliliters to US fluid ounces. 1 ml = 0.033814 fl oz. For recipes, beverage sizes, and product labels.
Enter your values above to see the results.
Tips & Notes
- ✓1 ml = 0.033814 US fl oz. Quick mental math: divide ml by 29.57 or multiply by 0.0338.
- ✓Common conversions: 100 ml = 3.38 fl oz, 250 ml = 8.45 fl oz, 500 ml = 16.91 fl oz, 1,000 ml = 33.81 fl oz.
- ✓TSA liquid rule: 100 ml per container. That is 3.381 US fl oz — slightly more than 3 fl oz, but products sold as 3 fl oz (88.7 ml) are usually allowed.
- ✓Wine bottles: 750 ml = 25.36 fl oz ≈ 25.4 fl oz. Standard wine bottle = just under 26 fl oz.
Common Mistakes
- ✗Using 0.034 instead of 0.033814 — a 0.55% overestimate per ml. Over 500 ml, this adds 0.19 fl oz extra.
- ✗Confusing ml with cl (centiliter) — 1 cl = 10 ml. European wine glasses are measured in cl (e.g., a 15 cl pour = 150 ml = 5.07 fl oz).
- ✗Assuming UK and US fl oz are the same — 1 US fl oz = 29.5735 ml; 1 UK fl oz = 28.4131 ml.
- ✗Converting cooking oil weight to fl oz — ml measures volume, not weight. 100 ml of oil ≠ 100 ml of water by mass.
Milliliters to Fluid Ounces Overview
What This Calculator Does
Converts milliliters to US fluid ounces using the exact factor: 1 US fl oz = 29.5735 ml, therefore 1 ml = 0.0338140227... US fl oz.
The Formula
fl oz = ml × 0.033814
Common Reference Points
| Milliliters | US Fl Oz | Context | |-------------|----------|---------| | 29.57 ml | 1 fl oz | Standard measure | | 100 ml | 3.38 fl oz | TSA travel size | | 236.6 ml | 8 fl oz | 1 US cup | | 355 ml | 12 fl oz | Standard can | | 473 ml | 16 fl oz | 1 pint | | 750 ml | 25.36 fl oz | Wine bottle | | 1,000 ml | 33.81 fl oz | 1 liter |
International Cosmetics and Personal Care
Products sold internationally are labeled in ml; US products in fl oz. Common translations:
- 30 ml = 1.014 fl oz (small serum/perfume)
- 50 ml = 1.69 fl oz (travel fragrance)
- 100 ml = 3.38 fl oz (TSA limit)
- 200 ml = 6.76 fl oz (standard lotion)
- 400 ml = 13.53 fl oz (shampoo bottle)
Milliliter in Medicine and Science
The milliliter is the standard unit for liquid medications, IV solutions, and laboratory measurements. Oral syringes, dosing cups, and IV bags are labeled in ml. The global pharmaceutical standard uses ml exclusively — fl oz values on US OTC products are secondary labels. For medication dosing, always use the ml measurement for precision.