KitchenWeightCalc
Tools

⅓ US Cup Bread Flour = 42.3g

⅓ US Cup of bread flour weighs 42.3 grams (1.49 ounces or 0.09 pounds; 78.9 mL or 5.33 tablespoons in volume) when measured spooned & leveled at a verified bulk density of 127g per 236.6 mL US Customary cup.

Imperial weight: 1.49 oz (0.09 lb) • Volume: 78.9 mL (5.33 tbsp)

Batch
Measuring density
Converted Measure
0.33 US cup Bread Flour (spooned & leveled) =
42.3 g
Physical scoop breakdown0.33 cups
1/3 cup
Edit either side to reverseBread Flour chart →
Grams
42.3 g
Ounces
1.49 oz
US Cups
⅓ cup
Metric (250mL)
0.32 c
Tablespoons
5.33 tbsp
Milliliters
78.9 mL

Kitchen note: Test-kitchen baseline uses spooned & leveled (127g/cup). Switching to scooped from bag (148g/cup) changes each cup by 21g—use the packing toggle on the scale bench to match your recipe.

Batch Scaling Around ⅓ US Cup Bread Flour

Batch scaling conversion table around ⅓ US Cup of Bread Flour (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×) 21.2g (0.75 oz) 2 tbsp + 2 tsp 39.4 mL
Standard (1×) 42.3g (1.49 oz) ⅓ cup 78.9 mL
1.5× Batch 63.5g (2.24 oz) ½ cup 118.3 mL
Double Batch (2×) 84.7g (2.99 oz) ⅔ cup 157.7 mL
Triple Batch (3×) 127g (4.48 oz) 1 cup 236.6 mL

Measuring ⅓ US Cup of Bread Flour in the Kitchen

Measured spooned & leveled at a verified bulk density of 127g per US cup, ⅓ US cup of bread flour weighs 42.3 grams (1.49 ounces). Measured using the scooped from bag method (148g/cup), that same ⅓ cup holds 49.3g — a 7g difference in your mixing bowl.

Spoon into cup and level flat. Its 12-14% protein content yields dense granules that settle rapidly during storage.

Source note: King Arthur standard (127g/cup spooned) & USDA FDC #169742

Frequently Asked Questions

How many grams is ⅓ cup of bread flour? ▾

⅓ US Cup of bread flour measured spooned & leveled weighs 42.3 grams (1.49 ounces).

What makes bread flour heavier per cup than cake flour? ▾

Hard red wheat used in bread flour produces larger, denser starch granules and high gluten-forming proteins.

Can I substitute all-purpose flour for bread flour? ▾

Yes at 1:1 by weight, though your bread will have a slightly softer crumb and slightly less chew.