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ML to OZ Converter — Free Milliliters to Fluid Ounces Tool

Our free ml to oz converter instantly converts milliliters to US fluid ounces. Use the ml to oz formula: multiply mL by 0.033814. This ml to oz tool uses the exact US fluid ounce definition. See Wikipedia on the fluid ounce and the NIST unit conversion guide.

ML to OZ converter — free online tool by ConvertNow

How to Convert Milliliters to Fluid Ounces

Multiply by 0.033814 — the inverse of the fl oz to mL factor.

📐 Formula
1 Milliliter = 0.03381402 Fluid Ounce (US)
To convert Milliliter to Fluid Ounce (US): multiply by 0.03381402
1 mL=0.033814 fl oz
100 mL=3.3814 fl oz
250 mL=8.454 fl oz
Example: 500 mL × 0.033814 = 16.91 fl oz

ML to OZ Conversion Table

Common milliliter values converted to fluid ounces at a glance.

Milliliter (mL) Fluid Ounce (US) (fl oz)
0.5 mL 0.01690701 fl oz
1 mL 0.03381402 fl oz
2 mL 0.06762805 fl oz
3 mL 0.10144207 fl oz
5 mL 0.16907011 fl oz
10 mL 0.33814023 fl oz
15 mL 0.50721034 fl oz
20 mL 0.67628045 fl oz
25 mL 0.84535056 fl oz
50 mL 1.690701 fl oz

Real-Life ML to OZ Examples

When you need to express millilitres in fluid ounces.

🍶 International Drinks in US Sizes

European and Asian beverages are sold in mL; US serving sizes use fl oz. A standard 330 mL can = 11.16 fl oz. A 500 mL bottle = 16.91 fl oz. US retailers and nutritional databases list volumes in fl oz.

When entering a foreign beverage into a US-based nutrition app or calorie tracker, converting the mL volume to fl oz lets you match it against the app's fl oz-based serving size database without guessing.

💉 Medical & Lab Use

Medical professionals in the US measure liquid drugs and IV fluids in mL, but patient instructions and older US references may still use fl oz. A 240 mL drink = 8.11 fl oz. A 5 mL dose = 0.169 fl oz.

When translating a metric medical protocol for a US patient, or communicating a dosage to a caregiver more comfortable with fluid ounces, converting mL to fl oz ensures the instruction is clear and reduces the risk of measurement error.

🧪 Laboratory & Industrial

Chemical suppliers list reagent bottle sizes in mL; US lab protocols often call for quantities in fl oz. A 500 mL bottle = 16.91 fl oz. A 1,000 mL (1 L) bottle = 33.81 fl oz.

US industrial and cleaning product formulations may specify active ingredient ratios in fl oz per batch. When using a metric-labelled chemical in a US process, converting the mL quantity to fl oz keeps the formulation within spec.

✈️ Airline Liquid Rules

The TSA 3-1-1 rule allows containers up to 3.4 fl oz (100 mL). Checking a 75 mL toiletry = 2.54 fl oz — compliant. A 120 mL = 4.06 fl oz — not compliant. International product labels use mL exclusively.

When packing liquids for a US-bound flight, comparing the mL volume on international toiletry labels to the US fl oz carry-on limit ensures you don't have items confiscated at the security checkpoint.

Frequently Asked Questions

Frequently Asked Questions

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