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Baking powder substitutes
For 1 tsp (4 g) of baking powder, mix ¼ tsp (1.2 g) baking soda with ½ tsp (1.5 g) cream of tartar. Baking powder is baking soda with an acid, so soda plus something acidic does the same job.
Baking powder
1 cup = 192 g
- Tablespoons16
- Teaspoons48
- Millilitres237
- Grams192
Dry ingredients are spooned into the cup and levelled. Scooped straight from the bag, flour can weigh up to 20% more — for baking, a scale is the safest bet.
Every swap, with amounts
Baking soda and cream of tartar
¼ tsp (1.2 g) baking soda + ½ tsp (1.5 g) cream of tartar
For anything that calls for baking powder. It's the closest swap and tastes the same. Mix it right before you use it.
Baking soda and lemon juice
¼ tsp (1.2 g) baking soda + 1 tbsp (15 g) lemon juice or white vinegar
For pancakes, muffins and cakes; use 1 tablespoon less of the other liquid. Bake as soon as it's mixed, or the bubbles escape.
Baking soda and buttermilk
¼ tsp (1.2 g) baking soda + ½ cup (123 g) buttermilk or plain yogurt
For cakes, biscuits and quick breads, in place of ½ cup of the milk or other liquid. The crumb comes out moister and slightly tangy.
Conversion tables (US cup · 240 ml):
Cups to grams
| Cups | Grams |
|---|---|
| ⅛ | 24 g |
| ¼ | 48 g |
| ⅓ | 64 g |
| ½ | 96 g |
| ⅔ | 128 g |
| ¾ | 144 g |
| 1 | 192 g |
| 1½ | 288 g |
| 2 | 384 g |
| 3 | 576 g |
Grams to cups
| Grams | Cups |
|---|---|
| 25 g | ⅛ |
| 50 g | ¼ |
| 100 g | ½ |
| 150 g | ¾ |
| 200 g | 1 |
| 250 g | 1⅓ |
| 300 g | 1.6 |
| 500 g | 2.6 |
Spoons to grams
| Spoons | Grams |
|---|---|
| ½ tsp | 2 g |
| 1 tsp | 4 g |
| 2 tsp | 8 g |
| ½ tbsp | 6 g |
| 1 tbsp | 12 g |
| 2 tbsp | 24 g |
| 3 tbsp | 36 g |
| 4 tbsp | 48 g |
| 8 tbsp | 96 g |
Other ingredients (US cup · 240 ml):
Sources: USDA FoodData Central, FAO/INFOODS, NIST · checked October 2026 · How we convert →
How to convert cups to grams:
- Pick the ingredient
each one has its own weight per cup.
- Type the amount
whole numbers, decimals or fractions like ½.
- Choose your cup
US, metric or 200 ml — then read off grams.
Questions:
- How many grams in a cup of baking powder?
- About 192 g in a US cup (240 ml), 203 g in a metric cup (250 ml) and 162 g in a 200 ml cup.
- Why does another site give a different number?
- Charts use different cups (240 ml, 250 ml or 200 ml) and different ways of filling them. Our numbers are for spooned and levelled cups (brown sugar packed, butter pressed in); scooping packs in more.
- Should I weigh or use cups?
- For baking, weigh — it's the only way to get the same result every time. For soups, rice or sauces, cups are close enough.
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