In kitchens around the world, a simple white powder sits on shelves ready to make cakes rise, scrub pots clean, or soothe minor ailments. Yet many people pause when they see recipes calling for baking soda while their packet reads bicarbonate of soda. The confusion is common, especially when switching between American and British sources. So, is bicarbonate of soda the same as baking soda? The straightforward answer is yes they are exactly the same compound, known chemically as sodium bicarbonate (NaHCO₃). The difference lies purely in naming conventions: “baking soda” dominates in the US, while “bicarbonate of soda” (or “bicarb”) is the preferred term in the UK, Australia, and other regions.
This distinction matters because it affects how people shop, follow recipes, and use the product for everything from banana bread recipe experiments to natural home remedies. With rising interest in eco-friendly cleaning, natural personal care, and home baking, understanding this equivalence prevents costly mistakes like flat cakes or ineffective scrubs. In this article, we’ll explore the science behind it, practical applications, comparisons with similar products, and health considerations to help you use it confidently.
The Chemistry: Why They Are Identical
Sodium bicarbonate is a naturally occurring mineral (also called nahcolite) mined or produced synthetically from soda ash. When it contacts an acid like white vinegar, lemon juice, yogurt, or buttermilk it releases carbon dioxide gas, water, and salt. This fizzing reaction powers its versatility.
In the US, manufacturers label it “baking soda” to highlight its primary kitchen role. In the UK, “bicarbonate of soda” reflects its chemical name more directly. The powder’s purity, texture, and performance remain identical regardless of the label. Food-grade versions are safe for ingestion, while industrial grades serve other purposes.
Is bicarbonate of soda natural? Yes, it occurs naturally in mineral deposits and certain springs, though most commercial supplies are manufactured for consistency and affordability. It’s considered a natural product in many contexts due to its simple mineral origin.
Baking Applications: Leavening and Recipes
In baking, is bicarbonate of soda the same as baking soda becomes crucial for success. It acts as a single-acting leavening agent, needing both moisture and acid to activate quickly ideal for quick breads, cookies, or tenderising meat with a brief soak.
Baking powder or bicarbonate of soda to tenderise meat? Use bicarbonate of soda (baking soda) for a small amount (about 1 tsp per pound) mixed into a marinade; it raises pH to break down proteins for juicier results. Baking powder won’t work the same way.
Is baking powder the same as baking soda? No. Baking powder combines baking soda with a dry acid (often cream of tartar) and cornstarch, making it double-acting it reacts once with liquid and again with heat. Use baking powder in recipes without added acids, like sugar cookies. Substituting requires adjustments: replace 1 tsp baking soda with 3 tsp baking powder (and omit extra acid if possible).
For a classic banana bread recipe, many include both for optimal rise baking soda reacts with banana’s natural acids, while baking powder provides extra lift.
Can I use bicarbonate of soda instead of baking soda? Absolutely swap them 1:1 in any recipe.
Cleaning and Household Uses
Is bicarbonate of soda the same as baking soda for cleaning? Yes, and it’s one of its most popular non-baking roles. Its mild abrasiveness and deodorising power make it excellent for scrubbing surfaces, absorbing odours, and tackling stains.
Pair it with white vinegar for a fizzing reaction that lifts grime from sinks, ovens, or grout. Sprinkle on carpets before vacuuming to neutralise pet odours, or place an open box in the fridge.
Is soda crystals the same as baking soda? No soda crystals (washing soda or sodium carbonate) are stronger and more alkaline, suited for heavy-duty tasks like degreasing or drain clearing. Never ingest them, unlike baking soda.
Buy bicarbonate of soda at supermarkets, pharmacies, or online look for food-grade for versatility.
Personal Care: Skin, Teeth, and Health
Is bicarbonate of soda the same as baking soda for skin? Yes many use it in DIY scrubs or baths for gentle exfoliation and pH balancing. A paste with water can soothe insect bites or minor irritations, though test for sensitivity first.
Is bicarbonate of soda the same as baking soda for cleaning teeth? Yes, and it’s effective for surface stain removal due to mild abrasiveness. Mix with water for a paste or add to regular toothpaste. It neutralises acids to reduce plaque and bad breath, but lacks fluoride don’t replace toothpaste entirely to avoid enamel wear or cavities. Dentists recommend occasional use.
Is bicarbonate of soda good for you? In moderation, yes it can relieve heartburn (as an antacid), support exercise performance by buffering lactic acid, or aid kidney function in specific medical contexts. Consult a doctor before internal use, especially for chronic conditions.

Comparison Table: Baking Soda vs. Related Products
| Product | Chemical Name | Common Names (Regions) | Key Uses | Edible? | Interchangeable? |
|---|---|---|---|---|---|
| Baking Soda | Sodium Bicarbonate | Baking Soda (US) | Baking, cleaning, deodorising | Yes | Yes (same) |
| Bicarbonate of Soda | Sodium Bicarbonate | Bicarb (UK/Aus) | Same as above | Yes | Yes (same) |
| Baking Powder | Sodium Bicarbonate + Acid + Starch | Baking Powder | Recipes without added acid | Yes | No (adjust amounts) |
| Soda Crystals | Sodium Carbonate | Washing Soda | Heavy cleaning, laundry | No | No |
This table clarifies quick swaps and avoids mix-ups.
FAQ
Can I use bicarbonate of soda instead of baking soda?
Yes is bicarbonate of soda the same as baking soda means a direct 1:1 substitution in any recipe or use.
Is baking soda and bicarbonate of soda the same for cleaning?
Yes, both work identically for scrubbing, deodorising, and stain removal.
Is baking soda the same as bicarbonate of soda in the UK?
Yes in the UK, bicarbonate of soda is the standard term for what Americans call baking soda.
What’s the difference between baking powder and bicarb soda?
Baking powder includes acid for self-activation; bicarb soda needs external acid like vinegar or buttermilk.
Is bicarbonate of soda the same as baking soda for skin?
Yes it offers the same gentle exfoliating and soothing benefits.
Is bicarbonate of soda the same as baking soda for cleaning teeth?
Yes, but use sparingly and pair with fluoride toothpaste for cavity protection.
Is soda crystals the same as baking soda?
No soda crystals are harsher and not edible; reserve for tough cleaning jobs.
Conclusion
Is bicarbonate of soda the same as baking soda? Unequivocally yes same compound, same performance, just different regional labels. This versatile powder excels in baking (try it in your next banana bread recipe), eco-friendly cleaning (with white vinegar for extra power), and gentle personal care. Avoid confusing it with baking powder or soda crystals for best results.
