Grams to Fluid Ounces Converter

For water, 100 grams equals 3.38 US fluid ounces, while 100 grams of whole milk equals 3.30 fl oz and 100 grams of vegetable oil equals 3.68 fl oz.

Use our interactive calculator below to perform instant conversions, inspect reference tables, and view worked formulas for precision baking.

Grams to Fluid Ounces Converter

Perform instant live conversions for grams to fluid ounces across 540+ baking ingredients.

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Brand Density & Package OverrideKing Arthur Baking

Custom package weights override standard database densities for this session without altering official database records.

Calculated Conversion Output
12 tablespoons + 2½ teaspoons
0.80 cups
Basis: 1 US Customary Cup (236.59 ml) = 125g (All-Purpose Flour)
1 Cup Measuring Container
1 Cup¾½¼
Cross-Unit Equivalent Strip
Tablespoons12.8 tbsp
Teaspoons38.4 tsp
Ounces3.53 oz
Millilitres189.3 ml
Butter SticksN/A
Pounds0.22 lbs
Recent Session Conversions (In-Memory):
Perform a conversion above to track recent session items.

Mathematical Formula & Step-by-Step Example

Fluid Ounces = Weight in Grams ÷ (Ingredient Density in Grams per US Cup ÷ 8)

Worked Step-by-Step Example

To convert 200 grams of water (density 29.57g/fl oz): 200g ÷ 29.57g/fl oz = 6.76 US fluid ounces.

Grams to Fluid Ounces Converter Reference Matrix

Grams to Fluid Ounces Converter pre-calculated values for common recipe amounts.

Input Amount (grams)Converted Result (fluid ounces)Culinary Usage Note
10g0.34 fl oz (Water) / 0.37 fl oz (Oil)Standard kitchen recipe portion
25g0.85 fl oz (Water) / 0.92 fl oz (Oil)Standard kitchen recipe portion
50g1.69 fl oz (Water) / 1.84 fl oz (Oil)Standard kitchen recipe portion
75g2.54 fl oz (Water) / 2.76 fl oz (Oil)Standard kitchen recipe portion
100g3.38 fl oz (Water) / 3.68 fl oz (Oil)Standard kitchen recipe portion
125g4.23 fl oz (Water) / 4.60 fl oz (Oil)Standard kitchen recipe portion
150g5.07 fl oz (Water) / 5.52 fl oz (Oil)Standard kitchen recipe portion
175g5.92 fl oz (Water) / 6.44 fl oz (Oil)Standard kitchen recipe portion
200g6.76 fl oz (Water) / 7.36 fl oz (Oil)Standard kitchen recipe portion
236.59g (1 cup water)8.00 fl oz (Water) / 8.70 fl oz (Oil)Standard kitchen recipe portion
250g8.45 fl oz (Water) / 9.20 fl oz (Oil)Standard kitchen recipe portion
300g10.14 fl oz (Water) / 11.04 fl oz (Oil)Standard kitchen recipe portion
400g13.53 fl oz (Water) / 14.72 fl oz (Oil)Standard kitchen recipe portion
500g16.91 fl oz (Water) / 18.40 fl oz (Oil)Standard kitchen recipe portion
600g20.29 fl oz (Water) / 22.08 fl oz (Oil)Standard kitchen recipe portion
750g25.36 fl oz (Water) / 27.60 fl oz (Oil)Standard kitchen recipe portion
800g27.05 fl oz (Water) / 29.44 fl oz (Oil)Standard kitchen recipe portion
1000g (1kg)33.81 fl oz (Water) / 36.80 fl oz (Oil)Standard kitchen recipe portion
1500g50.72 fl oz (Water) / 55.20 fl oz (Oil)Standard kitchen recipe portion
2000g67.63 fl oz (Water) / 73.60 fl oz (Oil)Standard kitchen recipe portion

20-Ingredient Density Variance Comparison Table

Demonstrating how different ingredient densities change the volume and mass relationships for this conversion.

Ingredient NameCategoryUS Cup DensityConversion Output
All-Purpose Flourflours-and-starches125g / US Cup6.40 fl oz
Bread Flourflours-and-starches130g / US Cup6.15 fl oz
Cake Flourflours-and-starches115g / US Cup6.96 fl oz
Whole Wheat Flourflours-and-starches120g / US Cup6.67 fl oz
Almond Flourflours-and-starches112g / US Cup7.14 fl oz
Granulated Sugarsugars-and-sweeteners200g / US Cup4.00 fl oz
Packed Brown Sugarsugars-and-sweeteners220g / US Cup3.64 fl oz
Powdered Sugar (Confectioners)sugars-and-sweeteners120g / US Cup6.67 fl oz
Butter (Softened / Sticks)fats-and-oils227g / US Cup3.52 fl oz
Vegetable / Canola Oilfats-and-oils218g / US Cup3.67 fl oz
Olive Oilfats-and-oils216g / US Cup3.70 fl oz
Water (Pure / Filtered)liquids237g / US Cup3.38 fl oz
Whole Milk (3.25%)dairy-and-eggs245g / US Cup3.27 fl oz
Heavy Whipping Cream (36%)dairy-and-eggs238g / US Cup3.36 fl oz
Rolled Oats (Old-Fashioned)grains-and-rice90g / US Cup8.89 fl oz
Uncooked White Ricegrains-and-rice185g / US Cup4.32 fl oz
Unsweetened Cocoa Powderchocolate-and-cocoa85g / US Cup9.41 fl oz
Honeysugars-and-sweeteners340g / US Cup2.35 fl oz
Pure Maple Syrupsugars-and-sweeteners322g / US Cup2.48 fl oz
Cornstarch (Corn Flour)flours-and-starches112g / US Cup7.14 fl oz

Understanding Grams to Fluid Ounces Converter in Professional Baking

Converting grams to fluid ounces bridges European metric weight formulas with American liquid volume standards. Understanding fluid volume versus net weight avoids common kitchen ratio errors.

One US fluid ounce equals 29.57 ml. For pure water (1.00 g/ml), 1 US fluid ounce weighs 29.57 grams. For lighter fats like olive oil, 1 US fluid ounce weighs 27.2 grams.

Our calculator handles fluid density calculations automatically across liquids and syrups, giving you exact US customary fluid ounce volume outputs.

Frequently Asked Questions

What is the difference between an ounce and a fluid ounce?

An ounce (oz) is a unit of dry mass/weight equal to 28.35 grams. A fluid ounce (fl oz) is a unit of liquid volume equal to 29.57 ml.

How many fluid ounces is 100 grams of water?

100 grams of pure water equals exactly 3.38 US fluid ounces.

Are US fluid ounces different from UK Imperial fluid ounces?

Yes. A US fluid ounce is 29.57 ml, whereas a UK Imperial fluid ounce is 28.41 ml.

How do I convert grams of milk to fluid ounces?

Select milk in our calculator above. 100 grams of milk equals 3.30 US fluid ounces.

Related Culinary Calculators & Tools

Source & Editorial Integrity:USDA FoodData Central / NIST SP 330

Calculations on this page are strictly audited against official USDA bulk density metrics, NIST physical constants, and professional baking references. Reviewed by master bakers for culinary accuracy and kitchen scale safety.