Half Cup of Cream of Tartar in Grams

1/2 cup of cream of tartar weighs 119.5g (4.22 oz, 120ml) according to USDA FoodData Central (1 cup cream of tartar = 239g, spooned and leveled method). 1/2 cup = 0.5 of a full cup (240ml). See the full conversion table below for all amounts from 1 tablespoon to 3 cups.

1/2 Cup
119.5g
4.22 oz
1/2 Cup → ml
120ml
0.996 g/ml density
1 cup reference
239g
USDA standard

Cream of Tartar Cup-to-Gram Conversion Table

Full range from 1 tablespoon to 3 cups. The highlighted row shows 1/2 cup.

AmountGrams
1 tbsp14.94g
2 tbsp29.88g
1/8 cup29.88g
1/4 cup59.75g
1/3 cup79.67g
1/2 cupthis page119.5g
2/3 cup159.33g
3/4 cup179.25g
1 cup239g
1 1/4 cups298.75g
1 1/2 cups358.5g
1 3/4 cups418.25g
2 cups478g
2 1/2 cups597.5g
3 cups717g

Source: USDA FoodData Central (FDC ID: 2074). 1 US cup = 240ml. Values use spooned-and-leveled method.

1/2 Cup of Different Ingredients — Weight Comparison

1/2 cup of different ingredients varies widely in weight because each has a different density. This matters when substituting ingredients in recipes.

Ingredient1/2 Cup (g)
Active Dry Yeast68g
Baking Powder115g
Baking Soda115g
Cream of Tartarcurrent119.5g

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

Measuring Cream of Tartar Accurately

Why weight matters: 1/2 cup of cream of tartar can weigh anywhere from 102g to 143g depending on how you measure it. The USDA standard is 119.5g (spooned and leveled). Scooping directly from the container can add 10–20% extra weight, which affects recipe results — especially in baking.

About cream of tartar density: Cream of tartar: 1 teaspoon = 5g. Stabilizes egg whites in meringues. Mix 2 parts cream of tartar + 1 part baking soda = baking powder substitute. Also prevents sugar crystallization in candy making.

Spoon & Level
119.5g
USDA standard — most accurate for volume cups
Scooped (packed)
~137g
10–20% heavier — avoid for precision baking
Kitchen Scale
119.5g
Most reliable — eliminates technique variation

About 1/2 Cup as a Measurement

1/2 cup (120ml) is the most common single-serving measurement in baking. It equals 8 tablespoons or 24 teaspoons. Most standard muffin recipes call for 1/2 cup of flour per 6 muffins.

Half cup is a standard baking unit used in muffins, quick breads, pancakes, and cookie doughs. It represents exactly half of a US standard measuring cup (240ml).

Frequently Asked Questions

How many grams is 1/2 cup of cream of tartar?

1/2 cup of cream of tartar weighs 119.5 grams (4.22 oz, 120ml). Based on USDA FoodData Central: 1 cup cream of tartar = 239g, so 1/2 cup = 239 × 0.500 = 119.5g.

Is 1/2 cup of cream of tartar the same weight every time?

The weight can vary slightly depending on measuring technique. Spooned and leveled gives 119.5g. Scooped (packed) can be 10–20% heavier. Sifted gives a lighter weight. The USDA standard (spooned and leveled) of 119.5g is the most reliable baseline for recipes.

How do I accurately measure 1/2 cup of cream of tartar?

For accuracy, use a kitchen scale and weigh 119.5g of cream of tartar. If using measuring cups, spoon the cream of tartar lightly into a 1/2 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 1/2 cup of cream of tartar compare to other ingredients?

1/2 cup of different ingredients varies significantly: Active Dry Yeast = 68g, Baking Powder = 115g, Baking Soda = 115g. This is because each ingredient has a different density.

Other Amounts for Cream of Tartar

Data source: USDA FoodData Central SR Legacy (FDC ID: 2074). View original USDA record

More Conversion Charts