How Much Baking Powder to Substitute for Baking Soda

To replace baking soda in a baking recipe, use 3 teaspoons of baking powder for every 1 teaspoon of baking soda called for. Baking powder contains both a base and an acid, so it can leaven without the separate acidic ingredient that baking soda needs; the trade-off is a slightly different flavor, browning, and texture.

Ingredients

1 tablespoon (3 teaspoons; about 12 g) baking powder, to replace 1 teaspoon (about 4.6 g) baking soda in the original recipe. Scale this ratio to match the amount of soda your recipe calls for.
1 teaspoon (about 4.6 g) baking soda, as the amount listed in the original recipe for reference only; do not add it to the substitute.

Instructions

Check the recipe. Find the amount of baking soda it calls for and note whether the batter or dough also contains an acidic ingredient, such as buttermilk, yogurt, sour cream, lemon juice, vinegar, molasses, or natural cocoa. The acid matters because baking soda reacts with it, while baking powder brings its own acid.
Calculate the replacement. Multiply the baking soda amount by three. For example, use 3 teaspoons (1 tablespoon) baking powder for 1 teaspoon baking soda, 1½ teaspoons baking powder for ½ teaspoon baking soda, or 1½ tablespoons (4½ teaspoons) baking powder for 1½ teaspoons baking soda. Measure level spoonfuls for a more dependable result.
Leave out the baking soda. Do not add both leaveners unless the original recipe specifically calls for both. Adding the replacement on top of the soda can make the batter rise too quickly, taste unpleasant, or collapse as it bakes.
Mix the powder evenly through the dry ingredients. Whisk it with the flour and other dry ingredients before adding them to the wet mixture. Then follow the recipe’s usual mixing, resting, and baking directions; this substitution does not require extra liquid or a separate activation step.
Bake promptly when the batter is mixed. Double-acting baking powder begins releasing gas when it is moistened and releases more in the oven. Avoid leaving the finished batter sitting for a long time, especially for pancakes, muffins, and quick breads.

Tips

Expect a little less browning. Baking soda makes a batter more alkaline, which encourages browning and helps some baked goods spread. Baking powder is less alkaline overall, so cookies may come out paler, thicker, or more cake-like than the original recipe intended.
Do not automatically add extra acid. Baking powder already includes an acid component. Adding more lemon juice or vinegar to compensate can make a recipe too sour or change its liquid balance. Keep the other ingredients as written for a first attempt.
Be cautious with larger swaps. Three times the powder can be a substantial quantity. If the recipe asks for several teaspoons of baking soda, expect more noticeable flavor and texture changes; using a recipe designed for baking powder is often the better choice.
Check that your powder is fresh. Baking powder loses strength over time, especially if moisture gets into the container. Keep it tightly closed in a cool, dry cupboard, use a dry spoon, and follow the package’s best-by guidance. Weak powder will not reliably lift a batter, even when the ratio is correct.

Serving Suggestions

This is a leavener swap, not a finished dish, so serve the baked item made with it according to the original recipe. It is most practical in recipes where a small change in rise or browning will not overwhelm the result: muffins, pancakes, biscuits, and some quick breads are generally more forgiving than delicate cakes or thin, crisp cookies.

For pancakes, cook the batter as soon as it is mixed and serve the pancakes hot with fruit, syrup, or yogurt. For muffins and quick breads, let the baked goods cool as the recipe directs before slicing; a warm loaf can seem gummy if cut too soon. If you are baking for guests, mention that the substitute may make the result a little less browned or more tender than usual, particularly when the recipe depends on baking soda for crisp edges.

Variations

For a recipe that calls for ½ teaspoon soda: use 1½ teaspoons baking powder. This is a useful scale for a small batch of pancakes or a modest muffin recipe. Measure the powder carefully rather than estimating a half tablespoon.

For a recipe that calls for 1½ teaspoons soda: use 4½ teaspoons baking powder, which is 1½ tablespoons. If the original recipe also lists baking powder, do not simply add this full amount without considering the total. A large combined quantity may over-leaven the batter, so choose a recipe formulated for baking powder when possible.

For a recipe that calls for 2 teaspoons soda: the ratio gives 6 teaspoons, or 2 tablespoons, of baking powder. That much powder can leave a noticeable aftertaste and may make the crumb coarse. The calculation is still the standard starting point, but the result is less predictable; a baking-powder recipe is the safer choice for an important bake.

For single-acting or double-acting powder: either can supply leavening, but double-acting baking powder is the common grocery-store type. It works in two stages, first when liquid is added and again with heat. Single-acting powder reacts mainly when moistened, so bake its batter immediately. Do not change the three-to-one ratio just because the label says double-acting.

Storage and Reheating

Store unused baking powder tightly sealed in a cool, dry place, away from steam and strong odors. Do not refrigerate an open container: condensation can introduce moisture and weaken it. If you have already measured the replacement, use it right away rather than storing the loose powder alongside other ingredients.

Store the finished baked goods according to their recipe and ingredients. Plain muffins, biscuits, and quick breads are often best kept in an airtight container at room temperature for about 1–2 days; for longer storage, freeze them well wrapped for up to 2–3 months. If a baked item has a perishable filling or topping, refrigerate it within 2 hours and use it within 3–4 days. Reheat refrigerated leftovers until they reach 165°F (74°C); a low oven or short microwave bursts can warm them, though reheating may soften crisp edges.

Frequently Asked Questions

What is the exact ratio of baking powder to baking soda?
Use 3 teaspoons of baking powder for each 1 teaspoon of baking soda. The ratio is a practical rule of thumb, not a guarantee that the finished bake will be identical, because the ingredients affect acidity, browning, and spread differently.

Can I use baking powder instead of baking soda in any recipe?
You can use the three-to-one ratio as a starting point, but it is not ideal for every recipe. It works best when the recipe uses a modest amount of soda and the final texture is forgiving. It is less dependable in recipes that rely on soda to neutralize a strong acid, create crisp cookies, or produce deep browning.

Should I reduce the salt when I use baking powder?
Not automatically. Baking powder contains ingredients that can affect both sodium and flavor, but the impact depends on how much is used and on the rest of the recipe. Follow the recipe’s salt amount for a first attempt; if the result tastes too salty or has a mineral aftertaste, use a recipe written for baking powder next time rather than making a large untested salt adjustment.

Can I replace baking powder with baking soda instead?
That is a different substitution and does not use the same ratio. Baking soda needs enough acid in the recipe to react, so simply using one-third as much soda in place of powder can leave a bitter, soapy taste and poor rise. Use a recipe that specifies baking soda or adjust the acid and leavener together with a tested formula.

Why did my baked goods taste bitter after the swap?
Too much baking powder, stale or poorly measured ingredients, or a recipe that already contained baking powder can all contribute to an unpleasant taste. Check the original leavener amounts, make sure you removed the baking soda rather than adding powder in addition to it, and measure the replacement level.

Can I make the substitution ahead of time?
It is better to measure the baking powder when you are ready to mix the recipe. Once it meets liquid, double-acting powder starts releasing gas, and a mixed batter can lose some lift while it waits. You can measure the dry ingredients shortly before baking, but keep them dry and separate from wet ingredients until you are ready to proceed.

More recipes to cook

Safety notes: safe minimum internal temperatures from USDA FSIS; raw and undercooked fish guidance from the U.S. FDA. Food safety notes

Spotted an error? Tell us and we will correct it (corrections policy).