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450g Bread Flour = 3 ½ cups + 2 tsp

450 grams of bread flour equals 3 ½ cups + 2 tsp (3.54 US Customary cups, 3.35 Metric 250 mL cups, 838.3 mL, 56.69 tablespoons, or 15.87 oz) when measured spooned & leveled at a verified density of 127g per US Customary cup.

Exact decimal volume: 3.54 US Customary Cups • 3.35 Metric Cups (250 mL) • 56.69 tbsp • 15.87 oz

Batch
Measuring density
Converted Measure
450 g Bread Flour (spooned & leveled) =
3 ½ US Cups + 2 tsp
Physical scoop breakdown3.54 cups
1 cup
1 cup
1 cup
1/2 cup
2 tsp
Edit either side to reverseBread Flour chart →
Grams
450 g
Ounces
15.87 oz
US Cups
3 ½ cups + 2 tsp
Metric (250mL)
3.35 c
Tablespoons
56.69 tbsp
Milliliters
838.3 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 450g Bread Flour

Batch scaling conversion table around 450g 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×) 225g (7.94 oz) 1 ¾ cups + 1 tsp 419.2 mL
Standard (1×) 450g (15.87 oz) 3 ½ cups + 2 tsp 838.3 mL
1.5× Batch 675g (23.81 oz) 5 ¼ cups + 1 tbsp 1257.5 mL
Double Batch (2×) 900g (31.75 oz) 7 cups + 1 tbsp + 1 ¼ tsp 1676.6 mL
Triple Batch (3×) 1350g (47.62 oz) 10 ½ cups + 2 tbsp + ¼ tsp 2514.9 mL

Measuring 450g of Bread Flour in the Kitchen

Because 1 US Customary Cup (236.6 mL) of bread flour weighs 127g when measured spooned & leveled, 450 Grams (450g) translates to 3.54 US cups (3 ½ cups + 2 tsp). By contrast, using the scooped from bag measure (148g/cup — a 21g per-cup shift), 450g occupies 3 cups + 2 tsp (3.04 cups).

Without a kitchen scale, measure 3 ½ cups + 2 tsp (56.69 tablespoons total) using spooned & leveled technique. 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 cups is 450 grams of bread flour? ▾

450 grams of bread flour (spooned & leveled, 127g per US cup) equals 3 ½ cups + 2 tsp (3.54 US Customary Cups, 3.35 Metric 250 mL cups, or 56.69 tablespoons).

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.