Cream of tartar, Cups to Grams & Grams to Cups
1 cup of cream of tartar = 150 grams · 100g = 0.67 cups
Cream of tartar is a fine acidic powder weighing about 150 grams per cup but measured in teaspoons (about 3g each). It stabilises whipped egg whites, prevents sugar syrups from crystallising and is the acid half of homemade baking powder. A pinch does a lot.
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Cream of tartar cups to grams table
| Cups | Grams | Ounces | Tablespoons |
|---|---|---|---|
| 1/8 | 18.8 g | 0.66 oz | 2 |
| 1/4 | 37.5 g | 1.32 oz | 4 |
| 1/3 | 50 g | 1.76 oz | 5.33 |
| 1/2 | 75 g | 2.65 oz | 8 |
| 2/3 | 100 g | 3.53 oz | 10.7 |
| 3/4 | 112 g | 3.97 oz | 12 |
| 1 | 150 g | 5.29 oz | 16 |
| 1 1/2 | 225 g | 7.94 oz | 24 |
| 2 | 300 g | 10.6 oz | 32 |
| 3 | 450 g | 15.9 oz | 48 |
Cream of tartar grams to cups table
Working the other way? Here's how many cups common gram weights of cream of tartar come to, handy when a recipe lists cream of tartar in grams but you only have cup measures.
| Grams | Cups | Ounces | Tablespoons |
|---|---|---|---|
| 25 g | 0.17 | 0.88 oz | 2.67 |
| 50 g | 0.33 | 1.76 oz | 5.33 |
| 75 g | 0.5 | 2.65 oz | 8 |
| 100 g | 0.67 | 3.53 oz | 10.7 |
| 125 g | 0.83 | 4.41 oz | 13.3 |
| 150 g | 1 | 5.29 oz | 16 |
| 175 g | 1.17 | 6.17 oz | 18.7 |
| 200 g | 1.33 | 7.05 oz | 21.3 |
| 225 g | 1.5 | 7.94 oz | 24 |
| 250 g | 1.67 | 8.82 oz | 26.7 |
| 300 g | 2 | 10.6 oz | 32 |
| 350 g | 2.33 | 12.3 oz | 37.3 |
| 400 g | 2.67 | 14.1 oz | 42.7 |
| 500 g | 3.33 | 17.6 oz | 53.3 |
Cream of tartar: US, metric & UK cups compared
A “cup” isn’t the same size everywhere, so 1 cup of cream of tartar weighs a different number of grams depending on which cup your recipe uses. The US cup is 236.6 ml, while Australia, New Zealand, Canada and modern UK recipes use a 250 ml metric cup. Here’s 1 cup of cream of tartar in each:
| Cup standard | Size | 1 cup cream of tartar | Used in |
|---|---|---|---|
| US cup | 237 ml | 150 g | United States (most US recipe sites) |
| Metric cup | 250 ml | 159 g | Australia, NZ, Canada & modern UK |
| UK imperial cup | 284 ml | 180 g | Older British recipes |
| Japanese cup | 200 ml | 127 g | Japan |
Unless a recipe says otherwise, US recipes mean the US cup and Australian/UK recipes mean the 250 ml metric cup. The tables higher up this page use the US cup.
Related ingredients
Quick reference: Cream of tartar in grams
- ⅛ cup cream of tartar = 18.8g
- ¼ cup cream of tartar = 37.5g
- ⅓ cup cream of tartar = 50g
- ½ cup cream of tartar = 75g
- ⅔ cup cream of tartar = 100g
- ¾ cup cream of tartar = 112g
- 1 cup cream of tartar = 150g
- 2 cups cream of tartar = 300g
How many cups is 100g, 200g or 300g of cream of tartar?
Because one cup of cream of tartar weighs about 150 grams, you can convert any weight to cups by dividing by 150. So 100g of cream of tartar is about 0.67 cups, 200g is about 1.33 cups, 250g is about 1.67 cups, and 300g is about 2 cups. For any other amount, type the grams straight into the converter above and switch it to show cups.
How to measure cream of tartar accurately
For the most reliable baking results, weigh cream of tartar on a kitchen scale rather than scooping by volume. One US cup of cream of tartar weighs about 150 grams (5.29 oz), but the exact figure changes with how tightly it's packed and the brand. Scooping straight from the bag compacts cream of tartar and can leave you 15 to 20% over, so spoon it into the cup and level it off for the closest match to the figures above. Use the tables for quick reference, or the converter for any custom amount in cups, grams, ounces or tablespoons.
Tip: Add ⅛ teaspoon of cream of tartar per egg white before whipping to build a more stable, voluminous meringue.
Cream of tartar conversions: common questions
How many grams is a teaspoon of cream of tartar?
About 3 grams. A full cup is roughly 150g, but it's almost always used a teaspoon or pinch at a time.
How many grams are in a cup of cream of tartar?
One US cup of cream of tartar weighs approximately 150 grams (5.29 oz).
How many grams in half a cup of cream of tartar?
Half a cup (½ cup) of cream of tartar weighs approximately 75 grams.
How many grams in a quarter cup of cream of tartar?
A quarter cup (¼ cup) of cream of tartar weighs approximately 37.5 grams.
How do I convert cream of tartar from cups to grams?
Multiply the number of cups by 150. For example, 2 cups of cream of tartar = 300 grams, and ¾ cup = 112 grams.
How many cups is 100g of cream of tartar?
100 grams of cream of tartar is about 0.67 cups. 200g is about 1.33 cups and 300g is about 2 cups, since 1 cup weighs 150 grams.
How many grams in a metric (Australian) cup of cream of tartar?
One 250 ml metric cup of cream of tartar, used in Australia, New Zealand, Canada and modern UK recipes, weighs about 159 grams, compared with 150 grams for a 236.6 ml US cup.