Baking soda vs. baking powder for cleaning: Which is more effective?

Would you pay extra for greener cleaning products? According to a 2026 industry report, 73% of surveyed consumers would. Fortunately, going greener doesn’t always mean spending more. In fact, using baking soda or powder for cleaning everyday messes might save you a trip down the cleaning aisle.

They may look nearly identical, but these two pantry staples aren’t equally effective. Baking soda works well for removing soap scum from shower glass and neutralizing lingering odors, while baking powder can help with lighter cleanups. In this guide, we’ll give you the lowdown on baking soda vs. baking powder for cleaning so you know which one to reach for.

What is baking soda?

Baking soda, scientifically known as sodium bicarbonate, is a mildly alkaline compound commonly used in household cleaning and as a leavening agent in baking. It helps loosen grease and neutralize odor-causing acids such as butyric acid. Its tiny crystalline particles also provide a gentle abrasive texture that helps scrub away dirt and grime.

So, what can you clean with baking soda? Think sinks, stovetops, and even greasy pans. You can also sprinkle it on dry mattresses to help reduce odors between mattress cleaning sessions. For scrubbing, use it as a powder or mix it with water or a little dish soap to make a paste. Unlike in baking, it doesn’t need an added acid to work as a cleaner.

What is baking powder?

Baking powder is a leavening agent made from baking soda, one or more acid salts, such as cream of tartar, and usually a starch like cornstarch. Unlike baking soda, it already contains the acid needed to trigger a chemical reaction and release carbon dioxide when moistened. This helps dough and batter rise but limits its usefulness in household cleaning.

So, can you clean with baking powder? Technically, yes, but don’t expect much. While it has less cleaning power, you can still use it for light cleaning tasks such as cleaning stainless steel cookware, certain jewelry, and minor surface stains. Just note that its added starch may also leave a sticky, streaky residue, giving you another mess to clean.

Baking powder vs. baking soda for cleaning: Which is better?

Compare both to see which is better for cleaning. (Source: iStock)

Both baking powder and baking soda have their uses in household cleaning. Baking soda’s alkaline properties make it useful for removing light grease and odors, while baking powder’s built-in acids make it useful for light scrubbing and freshening tasks. However, neither is a substitute for proper mold removal or thorough furniture and sofa cleaning.

So, which one should you keep in your cleaning cupboard? Here’s how they compare in terms of effectiveness, safety, cost, and everyday house cleaning.

In terms of pH level

Checking the pH level. (Source: iStock)

Baking soda has a pH of around 8.3 when dissolved in water, making it mildly alkaline. This allows it to neutralize acidic residues from spills like lemon juice or vinegar and help loosen light greasy buildup on kitchen surfaces. Its alkalinity also helps neutralize certain odor-causing acids, making it one of the simplest natural methods for odor removal.

Baking powder, on the other hand, doesn’t have a single fixed pH. Depending on its formulation and how its ingredients react with water, the mixture may be acidic, neutral, or mildly alkaline. Its added acids make it less dependable for cleaning tasks that benefit from alkalinity.

In terms of reactivity

Baking soda mixture. (Source: iStock)

Baking soda can clean on its own or be mixed with water to make a scrubbing paste for sinks, stovetops, and burnt-on gunk when cleaning an oven. Adding a little dish soap can also help cut through grease. Despite popular cleaning hacks, mixing baking soda with white vinegar or lemon can reduce their cleaning power because the acid and base neutralize each other.

Baking powder reacts differently because it already has sodium bicarbonate and powdered acids. Simply adding water activates the reaction, creating a fizzing mixture suitable for light scrubbing on suitable surfaces. However, the bubbles don’t make it more effective at removing grease or stubborn stains, and its cleaning action is generally less dependable than baking soda’s.

For heavily baked-on grease that homemade mixtures can’t remove, you can check oven cleaning costs to see if professional cleaning fits your budget.

In terms of odor control

Deodorizing hack. (Source: iStock)

Does baking soda or baking powder remove odors? When it comes to natural odor control, baking soda is the clear winner. It helps reduce lingering smells, particularly those caused by acidic compounds. For example, it can help reduce food odors in refrigerators, unpleasant smells in trash cans, and lingering odors in carpets or upholstery. You can also use it to deodorize shoes or add it to your laundry to freshen clothes and help lift light stains.

Baking powder also contains sodium bicarbonate, but its added acids react with it when exposed to moisture, leaving less available to neutralize odors. This makes baking powder less effective at cleaning dishwashers, washing machines, and bathroom drains, even though it contains the same active ingredient as baking soda.

In terms of safety

Using a homemade cleaning mixture. (Source: iStock)

Baking soda is generally safe for household cleaning, but a few precautions are worth taking. Its fine powder can irritate your eyes and airways, while swallowing large amounts can cause stomach problems and electrolyte imbalances. Mixing it with harsh chemicals like bleach or ammonia-based cleaners offers no established cleaning benefit, so it’s best to use them separately.

Baking powder is also generally safe for light cleaning tasks, such as scrubbing minor stains on suitable surfaces. However, its fine particles can irritate your eyes and airways if inhaled. Some varieties contain aluminum-based compounds, but these don’t automatically make baking powder unsafe for household cleaning.

In terms of cleaning application

Preparing a mixture for cleaning. (Source: iStock)

Baking soda can remove everyday stains and grime, such as coffee stains on ceramic mugs, dirt on white shoes, and soap residue from bathtubs. But what should not be cleaned with baking soda? Avoid using it on aluminum cookware, silver items, natural stone countertops, and scratch-prone glass, as it can damage certain materials. Always test it on a small, hidden area first.

Given the chemical properties of baking powder, it has more limited cleaning applications. Mixed with water, it may help remove minor stains or residue from durable surfaces, but it isn’t as effective as baking soda for general cleaning. Neither powder is automatically safe for delicate materials, such as glass light fixtures, which may require a gentler cleaning method.

In terms of availability and cost

Comparing costs at a store. (Source: iStock)

Baking soda is widely available in grocery stores and is relatively inexpensive. A 16 oz box typically costs $0.65 to $3, while a 12 lb bag costs around $10 to $20. Its affordability and versatility also make it a practical choice for anyone following eco-friendly home cleaning tips on a budget.

Baking powder is also widely available in grocery stores but generally costs more than baking soda. A 16-oz container typically costs $2 to $7, while a 5-lb bag ranges from $7 to $15. Since it’s less versatile for cleaning, it may not offer the same value for money.

Baking soda paste recipes for different cleaning goals

Baking soda is a better choice for DIY cleaning recipes than baking powder because it doesn’t contain added acids that can reduce its cleaning effectiveness. It’s also versatile enough to handle a variety of cleaning tasks using just a few basic ingredients. 

If you’re interested in natural household cleaning hacks, here are some simple baking soda recipes you can try at home.

Achieve a thoroughly cleaned and sanitized home with Airtasker

Who knew that little box of baking soda could do so much? It’s affordable, versatile, and handy for keeping everyday messes under control. With a few simple recipes and the right precautions, you can put it to work around your home without spending a fortune on cleaning products.

Got a mess that baking soda can’t fix? If your cleaning checklist keeps growing, book a cleaner on Airtasker and get some chores off your plate. You can also find Taskers for laundry, housekeeping, and stain removal. After all, you’ve got better things to do than spend your weekend scrubbing!