Whether you're measuring a shot of espresso, packing liquids for a flight, or following a recipe from another country, converting milliliters to ounces (and back) is one of those everyday tasks that can trip anyone up — especially when the US and UK use slightly different standards.

This guide gives you the instant answers you need, the math behind the conversion, real-world context for common volumes, and everything in between. Bookmark it, share it, or just use the quick table below every time you need a fast reference.

Quick Conversion Table: Most Searched ml to oz Values

Use this table for instant answers to the most common milliliter-to-ounce conversions. All values are given in both US fluid ounces (fl oz) and UK/Imperial fluid ounces.

Milliliters (ml)	US Fluid Oz (÷ 29.5735)	UK/Imperial Fl Oz (÷ 28.4131)
5 ml	0.17 fl oz	0.18 fl oz
10 ml	0.34 fl oz	0.35 fl oz
15 ml	0.51 fl oz	0.53 fl oz
20 ml	0.68 fl oz	0.70 fl oz
25 ml	0.85 fl oz	0.88 fl oz
30 ml	1.01 fl oz	1.06 fl oz
50 ml	1.69 fl oz	1.76 fl oz
60 ml	2.03 fl oz	2.11 fl oz
100 ml	3.38 fl oz	3.52 fl oz
150 ml	5.07 fl oz	5.28 fl oz
200 ml	6.76 fl oz	7.04 fl oz
250 ml	8.45 fl oz	8.80 fl oz
300 ml	10.14 fl oz	10.56 fl oz
355 ml	12.00 fl oz	12.50 fl oz
500 ml	16.91 fl oz	17.60 fl oz
591 ml	19.98 fl oz	20.81 fl oz
750 ml	25.36 fl oz	26.40 fl oz
887 ml	29.97 fl oz	31.21 fl oz
1000 ml	33.81 fl oz	35.20 fl oz

Pro tip: If you need to convert any value not listed above — including decimals — use the WithinSecs Milliliter to Ounce Calculator for an instant, precise result.

The Instant Answer: How Many ml Are in 1 Ounce?

Before diving into conversions, let's nail the single most important fact:

1 US fluid ounce = 29.5735 milliliters 1 UK (Imperial) fluid ounce = 28.4131 milliliters

That small difference — about 1.16 ml per ounce — doesn't sound like much. But when you're scaling a recipe that calls for 16 oz of liquid, the gap becomes over 18 ml. For baking, pharmaceutical dosing, or lab work, that margin matters enormously.

The flip side of the conversion:

1 milliliter = 0.033814 US fluid ounces 1 milliliter = 0.035195 UK fluid ounces

These two numbers are the foundation of every conversion in this guide.

US Fluid Ounce vs. UK Imperial Ounce: Why the Difference Matters

This is the most misunderstood aspect of the ml-to-oz conversion, and it causes real confusion — especially when you're reading recipes, medicine labels, or nutrition data from different countries.

A Brief History

The US fluid ounce and the UK Imperial fluid ounce both trace their roots back to the English system of measurements, but they diverged after the United States defined its own customary system in the early 19th century. The UK later standardized its measurements under the Imperial system, which assigned slightly different values to the same unit names.

The result: two countries using "fluid ounces" that are not identical.

The Numbers, Side by Side

Standard	1 fl oz in ml	Used In
US Fluid Ounce	29.5735 ml	USA, some Latin American countries
UK Imperial Fluid Ounce	28.4131 ml	UK, Canada (partially), Australia (historically)

When Does This Actually Matter?

Cooking and baking: A US recipe calling for 8 fl oz of milk is 236.6 ml. The same recipe interpreted with UK ounces gives you 227.3 ml — a 9 ml difference. For something like a sauce or batter, this could alter the texture.

Medicine and pharmaceuticals: Dosage instructions on UK-manufactured medicines use Imperial ounces. If you're converting a dosage from a US health guide using US ounces, always verify which standard applies.

Alcohol and beverages: A standard US shot is 1.5 fl oz (44.4 ml). A UK shot is legally defined as 25 ml or 35 ml. These are completely different volumes despite both being called "a shot."

TSA/airport liquids rule: The rule is 100 ml per container. This is based on milliliters, not ounces — though it's commonly described as "3.4 oz" in the US because 100 ml ÷ 29.5735 = 3.38 US fl oz, rounded up.

Rule of thumb: If your source is American (US recipes, US nutrition labels, US fitness apps), use 29.5735 ml per oz. If your source is British, Australian, or Canadian, use 28.4131 ml per oz.

Step-by-Step Formula: How to Convert ml to oz

You don't need a calculator for every conversion if you understand the formula. Here's how to do it manually.

Formula 1: Convert ml to US Fluid Ounces

oz = ml ÷ 29.5735

Example: Convert 250 ml to US fl oz 250 ÷ 29.5735 = 8.45 fl oz

Formula 2: Convert ml to UK Imperial Fluid Ounces

oz = ml ÷ 28.4131

Example: Convert 250 ml to UK fl oz 250 ÷ 28.4131 = 8.80 fl oz

Formula 3: Convert US Fluid Ounces to ml

ml = oz × 29.5735

Example: Convert 12 fl oz to ml 12 × 29.5735 = 354.88 ml (essentially a standard 355 ml can)

Formula 4: Convert UK Fluid Ounces to ml

ml = oz × 28.4131

Example: Convert 12 fl oz (UK) to ml 12 × 28.4131 = 340.96 ml

Quick Mental Math Shortcut

If you need a rough answer fast and don't have a calculator:

• 1 fl oz ≈ 30 ml (close enough for most kitchen purposes)
• 100 ml ≈ 3.4 fl oz
• 500 ml ≈ 17 fl oz
• 1 liter (1000 ml) ≈ 34 fl oz

These approximations work well for casual cooking and everyday tasks. For anything requiring precision — such as medication, chemistry, or professional baking — always use the exact values or the WithinSecs Unit Converter.

Common Containers Breakdown: Real-World ml to oz Context

Numbers make more sense when you attach them to objects you already know. Here's a breakdown of the most searched ml values and why they matter.

5 ml = 0.17 US fl oz

What it is: A standard teaspoon. In medicine, liquid doses for children are almost always measured in 5 ml increments. Cough syrup, liquid paracetamol, and antibiotic suspensions are all typically dosed in 5 ml or 10 ml portions.

Kitchen use: One teaspoon of vanilla extract, one teaspoon of olive oil. When a recipe calls for "1 tsp," it means 5 ml.

10 ml = 0.34 US fl oz

What it is: Two teaspoons, or one dessertspoon. Also the size of many small perfume sample vials and travel-size eye drops. If you've ever seen a "10 ml rollerball perfume," that's about 0.34 oz — roughly 200 sprays of fragrance.

30 ml = 1.01 US fl oz

What it is: This is as close to exactly 1 fl oz as you'll find in nature. A standard shot glass in the US holds 1.5 fl oz (44 ml), but many espresso shots are pulled at 30 ml, and single-use spirit measures in many countries are exactly 30 ml.

Why it's searched so much: People want to know if "30 ml = 1 oz" — and the answer is: almost, but not exactly. 30 ml = 1.014 US fl oz. For labeling purposes in many industries, 30 ml is treated as 1 fl oz.

50 ml = 1.69 US fl oz

What it is: The standard miniature spirit bottle — those tiny bottles of whiskey, gin, or vodka you see on planes or in hotel minibars. They're universally 50 ml because it's a clean, standardized measure that equals roughly 1.7 oz.

Also: most small perfume travel bottles are sold at 30 ml or 50 ml because they comply with aviation liquid restrictions.

60 ml = 2.03 US fl oz

What it is: Two fluid ounces. This is a standard double shot in a bar context, also a common size for sauce pots and single-serving condiment cups. Medical syringes for oral liquid medication often go up to 60 ml.

Kitchen context: 60 ml is ¼ cup (US). If a recipe calls for ¼ cup of a liquid, that's 60 ml.

100 ml = 3.38 US fl oz

What it is: The globally recognized TSA/airport liquid limit. The rule — formally called the 3-1-1 rule in the US — allows containers of up to 100 ml (3.4 oz) in carry-on luggage. This is why virtually every travel-size toiletry is bottled at 100 ml or less.

100 ml is also a useful cooking reference: it's just under ½ cup US. Many European recipes call for quantities in round milliliter figures (100 ml, 200 ml, 250 ml) rather than cups.

355 ml = 12.00 US fl oz

What it is: The standard North American soda or beer can. This is not a coincidence — the can size was specifically designed to hold exactly 12 US fl oz. If you multiply 12 × 29.5735, you get 354.88 ml, which manufacturers round to 355 ml.

500 ml = 16.91 US fl oz

What it is: A standard water bottle. Half a liter. This is one of the most universally sold beverage sizes globally. It falls just short of 17 US fl oz — roughly one pint (16 fl oz = 473 ml). The reason water bottles aren't exactly a pint is that metric sizing dominates internationally.

591 ml = 19.98 US fl oz

What it is: The "20 oz" bottle — the large soda or water bottle sold at US convenience stores and gas stations. 591 ml is exactly 20 US fl oz (20 × 29.5735 = 591.47 ml, rounded to 591 ml for production). This is the classic Coca-Cola or Pepsi individual-serve bottle.

Why do people search for "591 ml to oz"? Because the bottle says "20 fl oz" on the label, and curious buyers — especially those outside the US — want to verify what that means in milliliters.

750 ml = 25.36 US fl oz

What it is: The standard wine bottle. A 750 ml bottle of wine holds approximately 5 glasses of wine at 150 ml per glass. This is so universally standardized that glass manufacturers, shipping regulators, and alcohol tax authorities all use 750 ml as the baseline.

887 ml = 29.97 US fl oz

What it is: Nearly exactly 30 US fl oz. This shows up as a searched value because certain large beverage containers — particularly some fountain drink cups and large water bottles — are sold in this size. It's also approximately 1.87 US pints.

1000 ml (1 liter) = 33.81 US fl oz

What it is: One full liter. The most important conversion anchor in the metric system. A 1-liter water bottle is 33.81 US fl oz — a bit under a quart (1 US quart = 946 ml). When recipes from European sources call for "1 liter of broth," that's 33.8 oz or roughly 4.2 cups.

ml to oz in the Kitchen: Cooking and Baking Conversions

Recipes are the most common everyday trigger for ml-to-oz conversions. Here's a practical kitchen reference that goes beyond the basic table.

Standard Kitchen Measurements in ml and oz

Measurement	ml	US fl oz
1 teaspoon	5 ml	0.17 fl oz
1 tablespoon	15 ml	0.51 fl oz
1 fl oz	29.57 ml	1 fl oz
¼ cup	59 ml	2 fl oz
⅓ cup	79 ml	2.67 fl oz
½ cup	118 ml	4 fl oz
¾ cup	177 ml	6 fl oz
1 cup	237 ml	8 fl oz
1 pint	473 ml	16 fl oz
1 quart	946 ml	32 fl oz
1 gallon	3785 ml	128 fl oz

The UK Kitchen Is Different Too

UK cooking traditionally uses Imperial cups (284 ml) rather than US cups (237 ml). If you're following a vintage British cookbook or a recipe from a UK food blogger, keep this in mind — a "cup of flour" in a UK recipe is about 20% more than a US cup.

For health-focused cooking and tracking caloric intake, precision in liquid measurement is important. If you're calculating your macros or building a calorie deficit, knowing exact liquid volumes — especially for oils, dairy, and sauces — helps a lot. Check the WithinSecs Calorie Calculator and Macro Calculator to pair your precise measurements with your dietary goals.

ml to oz for Health and Hydration

Measuring liquids accurately is particularly important in health contexts — whether you're tracking hydration, managing medication, or monitoring alcohol consumption.

Hydration and Daily Water Intake

Most hydration guidelines are written in liters or milliliters (from WHO and international health bodies) or fluid ounces (from US health organizations). The commonly cited "8 glasses a day" guideline refers to 8 × 8 fl oz = 64 fl oz = approximately 1,893 ml (almost 2 liters).

However, optimal daily water intake varies based on your weight, activity level, climate, and health status. Converting ml to oz is just the first step — the real question is how much water your specific body needs.

Use the WithinSecs Daily Water Intake Calculator to get a personalized hydration target in both ml and oz based on your body weight and lifestyle.

Medication Dosing

Liquid medications — particularly for children — are almost always dosed in milliliters. Common doses include:

• 2.5 ml = 0.085 fl oz (half a teaspoon — common for infant doses)
• 5 ml = 0.17 fl oz (one teaspoon)
• 10 ml = 0.34 fl oz (two teaspoons)
• 15 ml = 0.51 fl oz (one tablespoon)
• 20 ml = 0.68 fl oz

Never approximate when converting medication volumes. Always use exact figures or an accurate calculator.

Alcohol and Blood Alcohol Content

Alcohol is measured in units of volume — usually ml or fl oz — and understanding these conversions is essential for tracking consumption responsibly. In the UK, one "unit" of alcohol is 10 ml of pure alcohol. In the US, a "standard drink" contains 14 grams (~17.7 ml) of pure alcohol — roughly 1.5 fl oz of spirits (44 ml at 40% ABV).

If you're tracking alcohol intake for health or safety reasons, the WithinSecs Blood Alcohol Calculator uses your weight, drink volume in ml or oz, and drink count to estimate your BAC.

ml to oz for Travel: The TSA 100ml Rule Explained

The 100 ml carry-on rule is one of the most searched liquid conversion questions in the world, and it causes genuine confusion at airport security every day.

What the Rule Actually Says

The TSA rule (US) and its international equivalents state:

• Each liquid container must hold 100 ml (3.4 oz) or less
• All containers must fit in a single quart-sized (1-liter) clear zip-top bag
• Each passenger is allowed one such bag

The "3.4 oz" figure is simply 100 ml ÷ 29.5735, rounded up slightly. The rule is based on milliliters globally; the ounce figure is a conversion for American travelers.

What Fits in a 1-Liter Bag?

A 1-liter bag (approximately 1000 ml of space) can hold roughly:

• Ten 100 ml containers (in theory)
• Realistically: 6–8 containers, depending on shape and how efficiently you pack

Common 100 ml or under travel products: shampoo, conditioner, toothpaste, mouthwash, face wash, sunscreen, perfume, hand sanitizer.

Travel Perfumes and Cosmetics

The perfume and cosmetics industry has standardized around 30 ml, 50 ml, and 100 ml bottle sizes specifically to comply with aviation regulations worldwide. A 50 ml perfume bottle is 1.69 US fl oz — comfortably under the limit. A 100 ml bottle is exactly on the limit at 3.38 fl oz.

Converting Between ml, oz, and Other Units

The ml-to-oz conversion is often just one step in a broader unit conversion chain. Here are the most common extensions.

ml to Cups (US)

1 US cup = 236.588 ml

• 100 ml = 0.42 cups
• 200 ml = 0.85 cups
• 250 ml = 1.06 cups
• 500 ml = 2.11 cups

ml to Tablespoons and Teaspoons

• 1 tablespoon (US) = 14.787 ml
• 1 teaspoon (US) = 4.929 ml
• 100 ml = 6.76 tablespoons = 20.29 teaspoons

ml to Liters

This one's simple: divide by 1000.

• 500 ml = 0.5 liters
• 250 ml = 0.25 liters
• 1500 ml = 1.5 liters

ml to Pints (US)

1 US pint = 473.176 ml

• 500 ml = 1.057 US pints
• 1000 ml = 2.113 US pints

Celsius to Fahrenheit: A Note for Cooks

If you're using an international recipe that measures liquids in ml, it likely also uses Celsius for temperature. Converting between the two systems simultaneously — liquid volumes and temperatures — is a common need for home cooks.

The formula: °F = (°C × 9/5) + 32

For a complete multi-unit conversion experience, use the WithinSecs Unit Converter which handles volume, temperature, weight, and length all in one place.

Why Precision in Measurement Matters: Beyond the Kitchen

Science and Laboratory Work

In chemistry, biology, and pharmaceutical work, milliliters are the standard unit for liquid volume. Pipettes, burettes, and graduated cylinders are all marked in ml. Converting to ounces is rarely needed in a lab context, but it may be required when referencing older US-standard protocols or communicating results to non-metric audiences.

Fitness and Sports Nutrition

Protein shakes, pre-workout drinks, and sports beverages often list serving sizes in both ml and fl oz. A standard protein shake serving might be "one scoop in 300 ml (10 fl oz) of water." Knowing these conversions ensures you're mixing your supplements correctly.

For serious fitness tracking, pairing liquid measurement accuracy with your calorie and TDEE data gives you a comprehensive view of your intake. Use the WithinSecs TDEE Calculator to understand your total daily energy expenditure alongside your hydration and nutrition tracking.

Baby Formula and Infant Feeding

Parents measuring infant formula need to be especially precise. Formula preparation instructions are given in milliliters internationally and in fluid ounces in the US. A common newborn feeding volume is 60–90 ml (2–3 fl oz) per feed. Errors in this range — if using the wrong conversion standard — could lead to under or overfeeding.

Brewing and Distilling

Home brewers and craft distillers work with volumes ranging from milliliters (individual measurements) up to liters (batch sizes). Converting between ml and oz becomes important when using recipes from different countries or adapting homebrew guides written in imperial units.

FAQ: People Also Ask — ml to oz Answers

Is 30 ml the same as 1 oz?

Not exactly, but it's very close. 30 ml equals 1.014 US fluid ounces. In practice, many industries — particularly cosmetics, spirits, and food labeling — treat 30 ml as equivalent to 1 fl oz for the purposes of packaging and labeling. But for precision work, 1 US fl oz is actually 29.5735 ml.

In the UK, 30 ml is even further from 1 fl oz — 1 UK Imperial fl oz is 28.4131 ml, making 30 ml equal to 1.056 UK fl oz.

So: 30 ml ≈ 1 fl oz for everyday purposes. For precision, use 29.5735 ml = 1 US fl oz.

How many ml is 3 fl oz?

Using US fluid ounces: 3 fl oz × 29.5735 = 88.72 ml

Using UK Imperial fluid ounces: 3 fl oz × 28.4131 = 85.24 ml

In real-world context: 3 fl oz is roughly the size of a standard travel-size toiletry — which is why the TSA rule is sometimes described colloquially as "3 oz" even though the actual limit is 100 ml (3.38 fl oz).

How many ml in a shot glass?

This depends on the country:

Country	Standard Shot	In ml
USA	1.5 fl oz	44.36 ml
UK	25 ml or 35 ml	25 ml / 35 ml
Australia	30 ml or 60 ml	30 ml / 60 ml
Germany	20 ml or 40 ml	20 ml / 40 ml
Italy	30 ml	30 ml
Japan	30 ml	30 ml

The US shot glass (1.5 fl oz / 44 ml) is the largest standard shot globally. When an international cocktail recipe calls for "1 shot," always check the country of origin to know how many ml that means.

How many fl oz in 100 ml?

100 ml = 3.3814 US fl oz 100 ml = 3.5195 UK fl oz

This is rounded to "3.4 oz" in most US contexts, including TSA liquid rules and nutrition labeling.

How many ml in 8 oz?

8 US fl oz = 236.59 ml (this is 1 US cup) 8 UK fl oz = 227.30 ml

The 8 fl oz = 1 cup equation is specific to the US system. In the UK, 1 cup = 284 ml (based on Imperial pint divided by 4).

How many oz is 750 ml?

750 ml = 25.36 US fl oz 750 ml = 26.40 UK fl oz

This is the standard wine bottle. At 25.36 fl oz, a 750 ml bottle holds approximately 5 standard US wine pours of 5 fl oz each.

Is an ounce the same as a fluid ounce?

No — these are different measurements that are often confused.

Fluid ounce (fl oz) is a measure of volume — how much space a liquid occupies. Ounce (oz) without the "fluid" designation is typically a measure of weight/mass.

When converting ml to oz for liquids, you always mean fluid ounces. The weight of 1 ml of water happens to be approximately 1 gram (about 0.035 oz by weight), but this only holds for water — other liquids like oil, alcohol, or honey have different densities.

How do I convert oz to ml without a calculator?

Use the approximation: 1 fl oz ≈ 30 ml

Multiply the number of ounces by 30 for a quick estimate.

• 2 oz ≈ 60 ml
• 4 oz ≈ 120 ml
• 8 oz ≈ 240 ml
• 16 oz ≈ 480 ml

For exact conversions, use the WithinSecs Milliliter to Ounce Calculator at any time.

What is 500ml in ounces?

500 ml = 16.91 US fl oz 500 ml = 17.60 UK fl oz

This is the standard water bottle size globally. In US terms, it's just under a pint (1 US pint = 16 fl oz = 473 ml), which is why it's commonly sold as a "pint-size" bottle even though it technically exceeds a pint.

How many ounces is 1 liter?

1 liter (1000 ml) = 33.81 US fl oz 1 liter (1000 ml) = 35.20 UK fl oz

This is one of the most important benchmarks to memorize. 1 liter is about 34 US fl oz or 4.2 US cups.

Practical Scenarios: When You'll Need This Conversion

Scenario 1: Following a European Recipe in the US

A French baking recipe calls for 250 ml of whole milk and 100 ml of heavy cream. You're in the US and your measuring cups are in fl oz.

• 250 ml ÷ 29.5735 = 8.45 fl oz (just over 1 cup — use 1 cup + 1 tablespoon)
• 100 ml ÷ 29.5735 = 3.38 fl oz (just under ⅓ cup — use 6.75 tablespoons or simply use a ml-marked cup)

Better approach: Buy a measuring jug with both ml and fl oz markings (most modern ones have both), or use the WithinSecs Unit Converter to get exact cup and tablespoon breakdowns.

Scenario 2: Packing Your Toiletry Bag for a Flight

You have the following toiletries and want to know what you can take in your carry-on:

• Shampoo: 200 ml bottle → 6.76 fl oz — EXCEEDS 100 ml limit, cannot carry on
• Travel moisturizer: 75 ml → 2.54 fl oz — OK
• Perfume: 50 ml → 1.69 fl oz — OK
• Mouthwash: 100 ml → 3.38 fl oz — Right at the limit, OK
• Hand sanitizer: 60 ml → 2.03 fl oz — OK

The shampoo needs to either be transferred to a 100 ml travel bottle or checked in.

Scenario 3: Tracking Your Daily Coffee Intake

You drink two double espressos and one large Americano per day. You're wondering how much liquid you're consuming.

• Double espresso: 2 × 60 ml = 120 ml = 4.06 fl oz
• Large Americano: 350 ml = 11.83 fl oz

Total coffee liquid: 470 ml = 15.89 fl oz

That's nearly a pint of coffee daily. If you're tracking hydration alongside this, remember that caffeinated drinks have a mild diuretic effect. Check your overall hydration needs with the WithinSecs Daily Water Intake Calculator.

Scenario 4: Managing Alcohol Consumption

You had a standard 750 ml bottle of wine shared between two people.

• Each person consumed: 375 ml = 12.68 US fl oz
• A standard US wine serving is 5 fl oz (148 ml)
• 375 ml ÷ 148 ml = approximately 2.5 standard US servings per person

For a more detailed picture of how this affects blood alcohol levels based on your weight and body composition, use the WithinSecs Blood Alcohol Calculator.

Related Conversion Tools on WithinSecs

The ml-to-oz conversion is one piece of a broader measurement ecosystem. Here are the other tools on WithinSecs that complement this guide:

For math and unit conversions:

• Unit Converter — Convert between all major units of volume, length, weight, and temperature in one place
• Percentage Calculator — Calculate percentage-based measurements and increases
• Grams to Ounces Calculator — For converting weight (not volume) measurements
• Ounces to Milliliters Calculator — The reverse of this conversion
• Oz to Cups Calculator — For converting between ounces and cups in kitchen contexts

For health and hydration:

• Daily Water Intake Calculator — Find out how many ml or oz of water you should drink daily
• Calorie Calculator — Track calories alongside liquid intake
• TDEE Calculator — Total daily energy expenditure based on your lifestyle
• Blood Alcohol Calculator — Estimate BAC from drink volumes in ml or oz
• Macro Calculator — Calculate protein, fat, and carb targets for your diet

For lifestyle and everyday use:

• Fuel Cost Calculator — Fuel volumes often involve liter-to-gallon conversions
• Grocery Calculator — Price comparison for products sold in different volume sizes

Summary: The Essential ml to oz Reference

Here is everything you need in one place:

The core conversion facts:

• 1 US fl oz = 29.5735 ml
• 1 UK fl oz = 28.4131 ml
• 1 ml = 0.033814 US fl oz
• 1 ml = 0.035195 UK fl oz

The quick mental math approximation:

• 1 fl oz ≈ 30 ml (accurate to within 1.5%)

The most important benchmarks to memorize:

• 30 ml ≈ 1 fl oz
• 100 ml = 3.38 US fl oz (TSA limit)
• 237 ml = 8 fl oz = 1 US cup
• 355 ml = 12 fl oz (standard can)
• 473 ml = 16 fl oz (1 US pint)
• 591 ml = 20 fl oz (large soda bottle)
• 750 ml = 25.36 fl oz (wine bottle)
• 946 ml = 32 fl oz (1 US quart)
• 1000 ml = 33.81 fl oz (1 liter)

Always check: Are you using a US recipe (use 29.5735) or a UK/Australian recipe (use 28.4131)?

For any conversion not covered here, or when you need precision to multiple decimal places, use the WithinSecs Milliliter to Ounce Calculator — it handles both US and UK standards instantly.

This guide is regularly reviewed for accuracy. Conversion factors are based on internationally recognized standards: the US fluid ounce as defined by the US customary system (29.5735 ml) and the UK Imperial fluid ounce as defined by the Imperial system (28.4131 ml).