How many grams is 1 teaspoon of baking powder?

1 level teaspoon of baking powder is approximately 4g. Generic converters often show 5g because they assume water density (1ml = 1g), but baking powder is lighter than water. Getting this wrong can affect how much your baked goods rise.

How many grams is 1 teaspoon of salt?

1 teaspoon of fine table salt is approximately 6g. However, flaked sea salt such as Maldon weighs much less — around 3g per teaspoon — because the flakes trap more air. Always use the type of salt your recipe specifies.

How many grams is 1 teaspoon of flour?

1 level teaspoon of plain flour (all-purpose) is approximately 2.5g. This is much less than the 5g that generic water-based converters show, because flour is significantly less dense than water.

How many grams is 1 teaspoon of sugar?

1 level teaspoon of caster or granulated sugar is approximately 4.2g. Icing sugar (powdered sugar) is lighter at about 2.5g per teaspoon.

How many grams is 1 teaspoon of bicarbonate of soda?

1 level teaspoon of bicarbonate of soda (baking soda) is approximately 6g. This is denser than baking powder. Never substitute one for the other without adjusting the quantity — they are chemically different leavening agents.

How many grams is 1 teaspoon of cinnamon?

1 level teaspoon of ground cinnamon is approximately 2.6g. Ground spices vary considerably in density but are generally much lighter than water, typically ranging from 2g to 3.5g per teaspoon.

What is the difference between a level and rounded teaspoon?

A level teaspoon is filled flush to the rim and scraped flat. A rounded teaspoon has a natural mound on top. A rounded teaspoon of flour can be 50% heavier than a level one. For leavening agents like baking powder and bicarb, this difference significantly affects rising. All conversions on this page assume level teaspoons.

How many teaspoons are in a tablespoon?

There are 3 teaspoons in 1 tablespoon. So if a recipe calls for 1 tablespoon, you can use 3 level teaspoons. A teaspoon holds 5ml; a tablespoon holds 15ml.

Teaspoons to Grams.
Especially for baking powder.

Generic converters tell you 1 teaspoon = 5g. That's only true for water. 1 teaspoon of baking powder is 4g. 1 teaspoon of fine salt is 6g. 1 teaspoon of flour is 2.5g. Get the right answer — because leavening mistakes ruin bakes.

Ingredient-Specific Not Water Density Leavening Accuracy 60+ Ingredients

🌾

Flour

2.5g

per tsp

🧪

Baking Powder

per tsp

🧂

Fine Salt

per tsp

🍚

Caster Sugar

4.2g

per tsp

🍫

Cocoa

1.8g

per tsp

🌿

Cinnamon

2.6g

per tsp

Teaspoons to Grams Converter

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Teaspoons

Ingredient

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All weights assume a level teaspoon — filled to the rim and scraped flat. See the warning below for leavening agents.

Quick-Glance Reference

The most critical baking ingredients — bookmark this section.

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The Leavening Problem

Small measurements, big consequences. Baking powder and bicarb are the two ingredients where teaspoon accuracy matters most.

🧪 Baking Powder vs Bicarbonate of Soda — Not the Same

Baking Powder

per level tsp

Bicarbonate of Soda

per level tsp

Cream of Tartar

per level tsp

Never substitute baking powder for bicarbonate of soda 1:1. Bicarb is approximately three times as strong as baking powder. If you substitute without adjusting, your baked goods will over-rise and collapse, or have a bitter chemical taste.

If you run out of baking powder, you can substitute with ¼ tsp bicarb + ½ tsp cream of tartar per 1 tsp baking powder required. This mimics the double-acting effect.

Why do these weigh differently? Baking powder contains cornstarch as a filler — it's less dense than pure bicarb. That's why 1 tsp baking powder = 4g while 1 tsp bicarb = 6g, even though they look identical in a measuring spoon.

⚠️ Level vs Rounded — The Difference That Ruins Cakes

Level tsp baking powder

6–7g

Rounded tsp baking powder

A level teaspoon is filled to the rim and scraped flat with a straight edge. Every conversion on this page uses level measurements.

A rounded teaspoon has a natural dome of ingredient sitting above the rim. For baking powder, a rounded teaspoon weighs 50–75% more than a level one. Too much baking powder causes cakes to rise rapidly then collapse in the middle.

When a recipe says "1 tsp baking powder" — always assume level. Scooping straight from the tin without levelling is one of the most common causes of flat or collapsed cakes.

💡 Teaspoon Equivalents Every Baker Needs

3 teaspoons = 1 tablespoon — so if a recipe calls for 1 tbsp, use 3 level teaspoons.

½ teaspoon = 2.5ml and ¼ teaspoon = 1.25ml — both much easier to weigh than to measure by volume.

UK, US, and Australian teaspoons are all 5ml — unlike tablespoons, where Australian measures 20ml vs the UK/US 15ml. No adjustment needed when following teaspoon-based recipes from any of these countries.

A pinch is not a teaspoon — a pinch is roughly ⅛ teaspoon (about 0.3–0.6g of salt), used mainly for seasoning, not baking chemistry.

Full Conversion Tables

Search any ingredient, or browse by category. All weights are per level teaspoon.

Leavening & Setting Agents

Ingredient	¼ tsp	½ tsp	1 tsp	2 tsp	1 tbsp
Baking powder	1g	2g	4g	8g	12g
Bicarbonate of soda (baking soda)	1.5g	3g	6g	12g	18g
Cream of tartar	0.75g	1.5g	3g	6g	9g
Fast-action dried yeast	1g	1.75g	3.5g	7g	10.5g
Instant yeast	1g	1.75g	3.5g	7g	10.5g

Salt & Seasoning

Ingredient	¼ tsp	½ tsp	1 tsp	2 tsp	1 tbsp
Fine table salt	1.5g	3g	6g	12g	18g
Flaked sea salt (Maldon)	0.75g	1.5g	3g	6g	9g
Kosher salt (Diamond Crystal)	0.7g	1.4g	2.8g	5.6g	8.4g
Kosher salt (Morton)	1.2g	2.4g	4.8g	9.6g	14.4g
Black pepper (ground)	0.6g	1.2g	2.3g	4.6g	6.9g

Flours & Starches

Ingredient	¼ tsp	½ tsp	1 tsp	2 tsp	1 tbsp
Plain flour (all-purpose)	0.6g	1.25g	2.5g	5g	7.5g
Strong flour (bread flour)	0.6g	1.25g	2.5g	5g	7.5g
Self-raising flour	0.6g	1.25g	2.5g	5g	7.5g
Wholemeal flour	0.6g	1.25g	2.5g	5g	7.5g
Cornflour (cornstarch)	0.8g	1.6g	3.2g	6.4g	9.6g
Almond flour	0.6g	1.2g	2.4g	4.8g	7.2g
Coconut flour	0.8g	1.6g	3.2g	6.4g	9.6g
Rice flour	1g	2g	3.9g	7.9g	11.8g

Sugars & Sweeteners

Ingredient	¼ tsp	½ tsp	1 tsp	2 tsp	1 tbsp
Caster sugar (granulated)	1g	2.1g	4.2g	8.3g	12.5g
Icing sugar (powdered)	0.6g	1.25g	2.5g	5g	7.5g
Soft brown sugar (packed)	1.1g	2.2g	4.4g	8.9g	13.3g
Demerara sugar	1g	2.1g	4.2g	8.3g	12.5g
Honey	1.75g	3.5g	7g	14g	21g
Maple syrup	1.65g	3.3g	6.7g	13.4g	20g
Golden syrup	1.85g	3.7g	7.3g	14.7g	22g
Vanilla extract	1.3g	2.6g	5.2g	10.4g	15.6g

Spices & Flavourings

Ingredient	¼ tsp	½ tsp	1 tsp	2 tsp	1 tbsp
Ground cinnamon	0.65g	1.3g	2.6g	5.2g	7.8g
Ground ginger	0.6g	1.2g	2.4g	4.8g	7.2g
Ground nutmeg	0.55g	1.1g	2.2g	4.4g	6.6g
Ground cardamom	0.5g	1g	2g	4g	6g
Ground cloves	0.7g	1.4g	2.7g	5.4g	8.1g
Mixed spice	0.6g	1.2g	2.4g	4.8g	7.2g
Ground turmeric	0.75g	1.5g	3g	6g	9g
Smoked paprika	0.6g	1.2g	2.3g	4.6g	6.9g
Cumin (ground)	0.55g	1.1g	2.1g	4.2g	6.3g
Mustard powder	0.7g	1.4g	2.8g	5.6g	8.4g

Cocoa, Butter & Oils

Ingredient	¼ tsp	½ tsp	1 tsp	2 tsp	1 tbsp
Cocoa powder	0.45g	0.9g	1.8g	3.5g	5.3g
Butter (melted)	1.2g	2.4g	4.7g	9.5g	14.2g
Vegetable oil	1.1g	2.3g	4.5g	9.1g	13.6g
Olive oil	1.1g	2.25g	4.5g	9g	13.5g
Coconut oil	1.1g	2.3g	4.5g	9.1g	13.6g

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Teaspoons to Grams.Especially for baking powder.

Teaspoons to Grams Converter

Quick-Glance Reference

Converting a whole recipe teaspoon by teaspoon?

The Leavening Problem

Full Conversion Tables

Got a whole recipe to convert?

More Converters

Teaspoons to Grams.
Especially for baking powder.