Baking Powder

Baking Basicsstaple

Chemical leavener containing baking soda, acid, and starch. Double-acting.

Baking powder is the easier all-purpose leavener because it carries its own acid. It is usually the safer choice when a recipe does not already contain a clear acid source.

Reviewed by the CupOrGram Editorial TeamSources: King Arthur Baking, USDA FoodData Central, in-house testingMethodology

Properties

Density Index
0.77 g/cm3
1 Cup Weight
184g
Texture
Dry
Category
Baking
Top Substitute

Baking Soda + Cream of Tartar

Use 1/4 tsp baking soda + 1/2 tsp cream of tartar per 1 tsp baking powder

This is essentially homemade baking powder. Single-acting only.

Most-used links for Baking Powder

Where Baking Powder shines

  • Vanilla cakes, muffins, pancakes, and biscuits that need a steady, balanced rise.
  • Recipes where you want lift without adding extra tang or acidity.
  • Batters that benefit from some lift in the bowl and another push in the oven.

What to watch

  • Old baking powder can look fine but still give weak rise.
  • Too much can leave a chalky flavor and a dry crumb.
  • Swapping it directly for baking soda usually throws off both strength and acid balance.

Conversions

cupsgrams
1/4 cups46.0 grams
1/3 cups61.0 grams
1/2 cups92.0 grams
1 cups184 grams
1.50 cups276 grams
2 cups368 grams
3 cups552 grams
4 cups736 grams
Figures use the US cup (236.6 ml).
Density: 0.77 g/ml
Quick Convert

Ingredient-specific, density-based conversions for baking

1 cups of Baking Powder equals 182 grams
Ingredient-specific · density-based
Cup size

Recommended Tools & Pantry Picks for Baking Powder

Optional shopping references for bakers who want to compare tools and pantry options related to baking powder.

Digital Kitchen Scale

Essential for cup-to-gram accuracy and repeatable bakes.

Shop scales

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Substitutions for Baking Powder

Storage Tips

Cool, dry place. Loses potency after 6-12 months. Test by adding to hot water.

Baking Science

Double-acting: first rise from acid + soda when wet, second rise from heat-activated acid in the oven. Self-contained system (doesn't need recipe acid).

Recipe Notes

Layer Cakes

Baking powder helps create an even rise without relying on dairy or fruit acidity to do the job.

Pancakes

It gives a more forgiving lift than baking soda alone, especially when the batter is neutral and not highly acidic.

Biscuits

Double-acting baking powder helps keep rise going in the oven after the dough is mixed and cut.

Common Pitfalls

  • Switching brands without re-checking weight can change texture and bake time.
  • Using volume-only measurements for dense ingredients can overshoot recipe targets.
  • Expired leaveners can underperform even when measured correctly.

Brand Variance & Measuring Method

Baseline reference: 1 cup baking powder = 184g. In real kitchens, a practical range is usually 173g-195g per cup (6% band).

Why this happens: fine powders and leaveners settle during storage, changing cup density.

Figures use the US cup (236.6 ml).

Common Questions

Can I use baking powder instead of baking soda?

Only with adjustment. Baking powder is weaker, so recipes usually need more of it and may brown less.

When is baking powder the better leavener?

It is the better fit when the recipe does not contain enough acid to activate baking soda on its own.

How can I test if baking powder is still active?

Add a little baking powder to hot water. If it bubbles right away, it is still active.

How many grams is 1 cup of baking powder?

1 cup of baking powder weighs 184 grams.

Explore Baking Powder Further

Related Comparisons & Explainers

Reference
See baking powder in the full measurement table

Cup, tablespoon, and teaspoon weights for all ingredients, sourced and cross-checked.

Open reference →

Related Baking Basics