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⅓ US Cup Baking Soda / Sodium Bicarbonate = 73.3g

⅓ US Cup of baking soda / sodium bicarbonate weighs 73.3 grams (2.59 ounces or 0.16 pounds; 78.9 mL or 5.33 tablespoons in volume) when measured dip and sweep at a verified bulk density of 220g per 236.6 mL US Customary cup.

Imperial weight: 2.59 oz (0.16 lb) • Volume: 78.9 mL (5.33 tbsp)

Batch
Measuring density
Standard: Dip and sweep220g / cup
Converted Measure
0.33 US cup Baking Soda / Sodium Bicarbonate (Dip and sweep) =
73.3 g
Physical scoop breakdown0.33 cups
1/3 cup
Edit either side to reverseBaking Soda chart →
Grams
73.3 g
Ounces
2.59 oz
US Cups
⅓ cup
Metric (250mL)
0.32 c
Tablespoons
5.33 tbsp
Milliliters
78.9 mL

Kitchen note: 1 US Customary Cup (236.6 mL) of baking soda / sodium bicarbonate (dip and sweep) weighs 220g, while 1 International Metric Cup (250 mL) weighs 232g.

Batch Scaling Around ⅓ US Cup Baking Soda / Sodium Bicarbonate

Batch scaling conversion table around ⅓ US Cup of Baking Soda / Sodium Bicarbonate (0.5× to 3× recipe batches in grams, ounces, US cups, and milliliters)
Batch Scale Weight (g / oz) US Cups & Spoons Metric (mL)
Half Batch (0.5×) 36.7g (1.29 oz) 2 tbsp + 2 tsp 39.4 mL
Standard (1×) 73.3g (2.59 oz) ⅓ cup 78.9 mL
1.5× Batch 110g (3.88 oz) ½ cup 118.3 mL
Double Batch (2×) 146.7g (5.17 oz) ⅔ cup 157.7 mL
Triple Batch (3×) 220g (7.76 oz) 1 cup 236.6 mL

Measuring ⅓ US Cup of Baking Soda / Sodium Bicarbonate in the Kitchen

Measured dip and sweep at a verified bulk density of 220g per US cup, ⅓ US cup of baking soda / sodium bicarbonate weighs 73.3 grams (2.59 ounces).

Dip measuring spoon or cup into the container and scrape flush against the box edge. Sodium bicarbonate is a pure mineral salt that is noticeably denser than baking powder, weighing 220 grams per cup (14g per tablespoon, 4.6g per teaspoon).

Source note: USDA FoodData Central FDC ID 172811; Church & Dwight Arm & Hammer Chemical Specs

Frequently Asked Questions

How many grams is ⅓ cup of baking soda / sodium bicarbonate? ▾

⅓ US Cup of baking soda / sodium bicarbonate measured Dip and sweep weighs 73.3 grams (2.59 ounces).

Why is baking soda stronger than baking powder? ▾

Baking soda is 100% pure sodium bicarbonate, whereas baking powder is diluted with monocalcium phosphate acid salts and cornstarch filler.

How do I test if baking soda is still active? ▾

Drop 1/2 teaspoon into a tablespoon of distilled vinegar; rapid, foaming effervescence confirms strong leavening potency.