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300g Gluten-Free 1-to-1 Baking Flour = 2 cups + 1 ¼ tsp

300 grams of gluten-free 1-to-1 baking flour equals 2 cups + 1 ¼ tsp (2.03 US Customary cups, 1.92 Metric 250 mL cups, 479.6 mL, 32.43 tablespoons, or 10.58 oz) when measured spooned & leveled at a verified density of 148g per US Customary cup.

Exact decimal volume: 2.03 US Customary Cups • 1.92 Metric Cups (250 mL) • 32.43 tbsp • 10.58 oz

Batch
Measuring density
Converted Measure
300 g Gluten-Free 1-to-1 Baking Flour (spooned & leveled) =
2 US Cups + 1 ¼ tsp
Physical scoop breakdown2.03 cups
1 cup
1 cup
1 ¼ tsp
Edit either side to reverseGF 1-to-1 Flour chart →
Grams
300 g
Ounces
10.58 oz
US Cups
2 cups + 1 ¼ tsp
Metric (250mL)
1.92 c
Tablespoons
32.43 tbsp
Milliliters
479.6 mL

Kitchen note: Test-kitchen baseline uses spooned & leveled (148g/cup). Switching to dip scooped (160g/cup) changes each cup by 12g—use the packing toggle on the scale bench to match your recipe.

Batch Scaling Around 300g Gluten-Free 1-to-1 Baking Flour

Batch scaling conversion table around 300g of Gluten-Free 1-to-1 Baking 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×) 150g (5.29 oz) 1 cup 239.8 mL
Standard (1×) 300g (10.58 oz) 2 cups + 1 ¼ tsp 479.6 mL
1.5× Batch 450g (15.87 oz) 3 cups + 2 tsp 719.4 mL
Double Batch (2×) 600g (21.16 oz) 4 cups + 2 ½ tsp 959.1 mL
Triple Batch (3×) 900g (31.75 oz) 6 cups + 1 tbsp + 1 tsp 1438.7 mL

Measuring 300g of Gluten-Free 1-to-1 Baking Flour in the Kitchen

Because 1 US Customary Cup (236.6 mL) of gluten-free 1-to-1 baking flour weighs 148g when measured spooned & leveled, 300 Grams (300g) translates to 2.03 US cups (2 cups + 1 ¼ tsp). By contrast, using the dip scooped measure (160g/cup — a 12g per-cup shift), 300g occupies 1 ¾ cups + 2 tbsp (1.88 cups).

Without a kitchen scale, measure 2 cups + 1 ¼ tsp (32.43 tablespoons total) using spooned & leveled technique. Formulated with rice flour, starches, and xanthan gum. Spoon into cup and sweep level without packing down.

Source note: King Arthur Measure for Measure (148g/cup) & Bob’s Red Mill 1-to-1

Frequently Asked Questions

How many cups is 300 grams of gluten-free 1-to-1 baking flour? ▾

300 grams of gluten-free 1-to-1 baking flour (spooned & leveled, 148g per US cup) equals 2 cups + 1 ¼ tsp (2.03 US Customary Cups, 1.92 Metric 250 mL cups, or 32.43 tablespoons).

Can GF 1-to-1 flour be swapped cup-for-cup for yeast bread? ▾

No, 1-to-1 blends with xanthan gum are formulated for non-yeasted cookies and cakes; yeast breads require specific gluten-free bread formulations.

Why is gluten-free blend heavier than standard all-purpose flour? ▾

It contains dense white rice flour and potato starch which weigh considerably more per unit volume than aerated wheat flour.