💧 Metric Converter

mL to Oz
Converter

Convert millilitres to fluid ounces (and back) instantly — US and UK fl oz, fraction display, and 6 kitchen unit equivalents for cooking, baking, and beverages.

⚡ Fast Liquid Conversions

🍳 Cooking & Beverage Friendly

📏 Accurate Measurements

Common amounts

1 mL = 0.0338 fl oz

30 mL ≈ 1 fl oz

100 mL = 3.38 fl oz

240 mL = 1 US cup

Enter your value

Amount & unit

Fill level

↔

fl oz

Converted result

—fl oz

≈ — · Also: —

Volume reference (0 to 500 mL)

0125 mL250 mL375 mL500 mL

Millilitres

—

Litres

—

US fl oz

—

UK fl oz

—

US Cups

—

Tablespoons

—

💧 Measurement insight:
—

📏 Exact conversion values: 1 US fl oz = 29.5735 mL (SI-defined); 1 UK fl oz = 28.4131 mL. For practical kitchen use, 30 mL ≈ 1 fl oz is a reliable approximation.

mL to Oz Converter: Convert Milliliters to Ounces Instantly

Following a European recipe that lists 200 mL but your measuring cup only shows fluid ounces? Converting a medical dose from mL to a familiar unit? This free mL to oz converter handles instant bidirectional conversion between millilitres and US or UK fluid ounces, with simultaneous output in litres, cups, and tablespoons. Bookmark it as your go-to kitchen and beverage conversion tool.

🟢 Key formulas:
mL → US fl oz: divide by 29.5735 (or multiply by 0.033814)
mL → UK fl oz: divide by 28.4131 (or multiply by 0.035195)
US fl oz → mL: multiply by 29.5735
Quick approximation: 30 mL ≈ 1 fl oz (1.4% error — fine for cooking)

mL to Oz Quick Reference Table

Millilitres	US fl oz	UK fl oz	US Cups	Tablespoons
5 mL	0.169 fl oz	0.176 fl oz	0.021 cups	⅓ tbsp (1 tsp)
15 mL	0.507 fl oz	0.528 fl oz	0.063 cups	1 tbsp
30 mL	1.014 fl oz	1.056 fl oz	0.127 cups	2 tbsp
60 mL	2.029 fl oz	2.113 fl oz	¼ cup	4 tbsp
100 mL	3.381 fl oz	3.520 fl oz	0.423 cups	6.76 tbsp
120 mL	4.058 fl oz	4.227 fl oz	½ cup	8 tbsp
240 mL	8.115 fl oz	8.454 fl oz	≈ 1 US cup	16 tbsp
500 mL	16.907 fl oz	17.598 fl oz	2.113 cups	33.8 tbsp
1000 mL (1 L)	33.814 fl oz	35.195 fl oz	4.227 cups	67.6 tbsp

Why This Conversion Matters

🌍

International recipes

Recipes from Europe, Australia, Asia, and South America almost universally use mL and litres. When you find a recipe from a non-US source with “200 mL cream” or “50 mL olive oil,” this converter gives you the US fl oz equivalent instantly — no mental arithmetic needed.

🍾

Beverages & cocktails

Bartending recipes use both mL (global) and fl oz (US). A standard spirit shot is 30 mL (1 US fl oz), a wine pour is 150 mL (5 fl oz), and a standard beer can is 355 mL (12 fl oz). This converter bridges metric cocktail books and imperial jiggers.

💊

Medicine & supplements

Medical dosages worldwide are in mL — “take 10 mL twice daily.” If your measuring device shows fluid ounces, 10 mL = 0.338 fl oz (approximately ⅓ fl oz). For medications, always use a proper mL-marked measuring device and verify with your pharmacist.

🧴

Skincare & beauty

Cosmetics and skincare products list volumes in mL globally. A serum bottle of 30 mL = 1 fl oz; a full-size moisturiser of 50 mL ≈ 1.7 fl oz. Knowing conversions helps when comparing product sizes and values across regions and brands.

Related Conversion Tools

Frequently Asked Questions

How many ounces are in 100 mL?

100 mL = 3.3814 US fluid ounces (approximately 3.38 fl oz). In UK fluid ounces, 100 mL = 3.5195 fl oz. The quick reference: 100 mL is roughly 3⅓ US fl oz or just over 3½ UK fl oz. This is a very common conversion for recipes listing ingredients in mL — 100 mL of milk, cream, or oil is just over 3 tablespoons (one tablespoon = 14.79 mL).

Is 30 mL equal to 1 oz?

Almost, but not exactly. 30 mL = 1.0144 US fl oz — just over 1 fl oz by about 1.4%. The exact value of 1 US fl oz is 29.5735 mL. For everyday cooking and cocktail making, treating 30 mL = 1 fl oz is a very useful and acceptably accurate approximation. For precision baking, pharmaceutical applications, or scientific use, the exact 29.5735 mL value should be used.

How do I convert mL to oz in my head?

The easiest mental approximation: divide mL by 30 to get approximate US fl oz (error: ~1.4%). Examples: 60 mL ÷ 30 = 2 fl oz; 150 mL ÷ 30 = 5 fl oz; 240 mL ÷ 30 = 8 fl oz (1 cup). For a more precise quick calculation, divide by 29.57 or use the “×0.034” rule: 100 mL × 0.034 = 3.4 fl oz. This converter gives you exact results instantly without any mental arithmetic.

What is the difference between US and UK fluid ounces?

1 US fluid ounce = 29.5735 mL (1/128 of a US gallon). 1 UK/Imperial fluid ounce = 28.4131 mL (1/160 of an Imperial gallon). The UK fl oz is about 4% smaller than the US fl oz. This difference accumulates: a UK pint (20 fl oz × 28.41 mL = 568 mL) is larger than a US pint (16 fl oz × 29.57 mL = 473 mL). When following UK recipes or using UK measuring equipment, select the UK fl oz option in this converter.

Why are millilitres used in recipes globally?

Millilitres are part of the SI (International System of Units), the official measurement standard in 195 countries. The decimal-based metric system makes scaling easy: 1000 mL = 1 litre; 500 mL = ½ litre. Professional culinary schools, food manufacturers, pharmaceutical companies, and scientific institutions worldwide use metric universally. Only the United States, Liberia, and Myanmar still primarily use non-metric units for everyday measurements — all other countries use mL and litres for cooking and liquid measurement.

Are fluid ounces and ounces the same?

No. Fluid ounces (fl oz) measure volume — how much space a liquid takes up. Weight ounces (oz) measure mass — how heavy something is. For water, 1 fl oz ≈ 1 oz by weight because water has a density of ~1 g/mL. But for other substances they differ: 1 fl oz of honey weighs ~1.5 oz (denser); 1 fl oz of alcohol weighs ~0.8 oz (lighter). This converter works with fluid ounces (volume measurement) only.

Convert mL to oz instantly

Millilitres to US & UK fl oz, cups, tablespoons — free, instant, no sign-up.

Convert mL to oz ↑

mL to OzConverter