One-Third Cup of Cake Flour in Grams

1/3 cup of cake flour weighs 33.33g (1.18 oz, 80ml) according to USDA FoodData Central (1 cup cake flour = 100g, spooned and leveled method). 1/3 cup = 0.3333 of a full cup (240ml). See the full conversion table below for all amounts from 1 tablespoon to 3 cups.

1/3 Cup
33.33g
1.18 oz
1/3 Cup → ml
80ml
0.417 g/ml density
1 cup reference
100g
USDA standard

Cake Flour Cup-to-Gram Conversion Table

Full range from 1 tablespoon to 3 cups. The highlighted row shows 1/3 cup.

AmountGrams
1 tbsp6.25g
2 tbsp12.5g
1/8 cup12.5g
1/4 cup25g
1/3 cupthis page33.33g
1/2 cup50g
2/3 cup66.67g
3/4 cup75g
1 cup100g
1 1/4 cups125g
1 1/2 cups150g
1 3/4 cups175g
2 cups200g
2 1/2 cups250g
3 cups300g

Source: USDA FoodData Central (FDC ID: 20083). 1 US cup = 240ml. Values use spooned-and-leveled method.

1/3 Cup of Different Ingredients — Weight Comparison

1/3 cup of different ingredients varies widely in weight because each has a different density. This matters when substituting ingredients in recipes.

Ingredient1/3 Cup (g)
Almond Flour32g
Cake Flourcurrent33.33g
Coconut Flour37.33g
Whole Wheat Flour40g
Buckwheat Flour40g
All-Purpose Flour41.67g
Bread Flour43.33g
Rice Flour (white)46.67g
Semolina Flour55.67g

All values use USDA FoodData Central spooned-and-leveled method. Click any ingredient to see its full conversion table.

Measuring Cake Flour Accurately

Why weight matters: 1/3 cup of cake flour can weigh anywhere from 28g to 40g depending on how you measure it. The USDA standard is 33.33g (spooned and leveled). Scooping directly from the container can add 10–20% extra weight, which affects recipe results — especially in baking.

About cake flour density: Cake flour is the lightest of all wheat flours. Very finely milled with low protein (7-9%). 1 cup = 100g (sifted). Always sift cake flour before measuring. Used for tender cakes, delicate pastries.

Spoon & Level
33.33g
USDA standard — most accurate for volume cups
Scooped (packed)
~38g
10–20% heavier — avoid for precision baking
Kitchen Scale
33.33g
Most reliable — eliminates technique variation

About 1/3 Cup as a Measurement

1/3 cup = 5 tablespoons + 1 teaspoon = 80ml. This unusual fraction appears in recipes that scale for 2 servings from a 3-serving base. It cannot be made from combining standard 1/4 and 1/8 cup measures without error.

One-third cup is common in yogurt parfait recipes, small-batch granola bars, and single-layer cake recipes scaled for 2 servings. It is exactly 80ml in metric volume.

Frequently Asked Questions

How many grams is 1/3 cup of cake flour?

1/3 cup of cake flour weighs 33.33 grams (1.18 oz, 80ml). Based on USDA FoodData Central: 1 cup cake flour = 100g, so 1/3 cup = 100 × 0.333 = 33.33g.

Is 1/3 cup of cake flour the same weight every time?

The weight can vary slightly depending on measuring technique. Spooned and leveled gives 33.33g. Scooped (packed) can be 10–20% heavier. Sifted gives a lighter weight. The USDA standard (spooned and leveled) of 33.33g is the most reliable baseline for recipes.

How do I accurately measure 1/3 cup of cake flour?

For accuracy, use a kitchen scale and weigh 33.33g of cake flour. If using measuring cups, spoon the cake flour lightly into a 1/3 Cup measuring cup and level off the top with a straight edge. Avoid scooping directly from the container, which compacts the ingredient and adds extra weight.

How does 1/3 cup of cake flour compare to other ingredients?

1/3 cup of different ingredients varies significantly: Almond Flour = 32g, Cake Flour = 33.33g, Coconut Flour = 37.33g. This is because each ingredient has a different density.

Other Amounts for Cake Flour

Data source: USDA FoodData Central SR Legacy (FDC ID: 20083). View original USDA record

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