How many grams are in 1 cup of flour?

One US cup of all-purpose flour weighs approximately 125 grams when properly measured using the spoon-and-level method. However, this can vary by flour type: bread flour is about 130g per cup, while cake flour is about 115g per cup.

What's the difference between US cups and UK cups?

US cups (236.588 mL) are smaller than UK metric cups (250 mL) and significantly smaller than old UK imperial cups (284 mL). This 20% difference between US and Imperial cups can dramatically affect your baking results.

Why should I weigh ingredients instead of using cups?

Weighing ingredients is more accurate and consistent than volume measurements. How you scoop flour into a cup can result in 20-30% variation in the actual amount. Professional bakers always weigh ingredients because it ensures consistent results every time.

How do I convert tablespoons to grams?

Converting tablespoons to grams depends on the ingredient because different ingredients have different densities. For example, 1 tablespoon of flour weighs about 7.8g, while 1 tablespoon of sugar weighs about 12.5g.

Are Australian tablespoons different?

Yes! Australian tablespoons are 20 mL, while US and UK tablespoons are 15 mL. This means Australian recipes use fewer tablespoons per cup (12.5 vs 16).

How many grams are in 1 cup of flour?

One US cup of all-purpose flour weighs 125 grams when measured using the spoon-and-level method. Bread flour is slightly heavier at 130g per cup, while cake flour is lighter at 115g per cup.

How many grams are in 1 cup of sugar?

One US cup of granulated white sugar weighs 200 grams. Brown sugar (packed) is 220g per cup, and powdered sugar is only 120g per cup.

Why do different ingredients have different gram weights per cup?

Each ingredient has a unique density. Cups measure volume (the space something takes up), while grams measure mass (actual weight). Dense ingredients like sugar pack more mass into a cup than airy ingredients like flour.

Can I convert half a cup or 1/3 cup to grams?

Yes! For example, 1/2 cup flour = 62.5g, 1/3 cup flour = 41.7g, and 1/4 cup flour = 31.3g. The calculator handles any cup amount including fractions.

How many grams in 1/2 cup of baking soda?

Half a cup of baking soda weighs 110.0 grams. Similarly, 1/3 cup = 72.6g and 1/4 cup = 55.0g.

Baking Soda Cups to Grams Converter

Convert cups of baking soda to grams instantly. Accurate conversion: 1 cup = 220g. Free calculator for baking.

Baking Soda Cups to Grams

Convert cups of baking soda to grams with our free calculator. One cup of baking soda weighs approximately 220 grams.

💡 Sodium bicarbonate

Universal Baking Converter

Cup Size

Most common in US recipes - United States

From

Ingredient

💡 Sodium bicarbonate

Amount

Quick Presets:

Common Baking Soda Measurements

Cups	Grams	Ounces
1/4 cup	55.0g	1.94oz
1/3 cup	72.6g	2.56oz
1/2 cup	110.0g	3.88oz
2/3 cup	147.4g	5.20oz
3/4 cup	165.0g	5.82oz
1 cup	220.0g	7.76oz
1 1/2 cups	330.0g	11.64oz
2 cups	440.0g	15.52oz

* Based on US Customary cup (236.588 mL)

Tips for Measuring Baking Soda

Best Practice: For the most accurate and consistent results, weigh yourbaking soda using a digital kitchen scale. Weight measurements eliminate the variability of volume measurements.

Cup Size Variations for Baking Soda

Cup Type	Volume	Weight
US Customary Cup	236.588 mL	220.0g
US Legal Cup	240 mL	223.2g
Metric Cup	250 mL	232.5g
Imperial Cup	284.131 mL	264.2g
Australian Cup	250 mL	232.5g

The weight of 1 cup of baking soda varies depending on which cup size you use. Most American recipes use the US Customary cup (236.588 mL).

Frequently Asked Questions About Baking Soda

How many grams in 1 cup of baking soda?

One US cup of baking soda weighs 220 grams. This is based on the US Customary cup (236.588 mL) and assumes proper measuring technique. Different cup sizes (Metric, Imperial) will yield slightly different weights—use our calculator above to select your specific cup size for accurate conversions.

How do I accurately measure baking soda in cups?

Spoon baking soda into the measuring cup and level off with a straight edge. Avoid packing unless the recipe specifically calls for it.

Can I substitute baking soda with a similar ingredient?

While similar ingredients in the leavening category might have comparable weights per cup, they often have different properties that affect the final recipe. Always use the specific ingredient called for unless you're experienced with substitutions.

Why is weighing baking soda better than measuring by cups?

Weighing baking soda eliminates the variability of cup measurements. How you scoop, pack, or settle the baking soda can change the amount by 20-30%. Professional bakers always weigh ingredients because 220 grams is always 220 grams, regardless of technique. A $20 digital scale will dramatically improve your baking consistency.

How many grams in 1/2 cup, 1/3 cup, and 1/4 cup of baking soda?

For baking soda: 1/2 cup = 110.0g, 1/3 cup = 72.6g, and 1/4 cup = 55.0g. See the full conversion table above for more common measurements including 2/3 cup, 3/4 cup, and multi-cup amounts.

Related Leavening Conversions

Baking Powder

1 cup = 220g

More Baking Tools

Recipe Cost Calculator

Calculate the exact cost of your recipes including ingredients, labor, and overhead.

Universal Baking Converter

Convert any baking measurement with support for 20+ ingredients.

Ready to Take Your Baking Business to the Next Level?

BakeProfit helps you calculate costs, price products correctly, track orders, manage inventory, and run your entire bakery business—all in one place. Start free today!

Calculate recipe costs with precision

Track orders and manage customers

Monitor inventory and get low-stock alerts

Try BakeProfit Free