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½ US Cup Oat Flour = 46g

½ US Cup of oat flour weighs 46 grams (1.62 ounces or 0.1 pounds; 118.3 mL or 8 tablespoons in volume) when measured spooned & leveled at a verified bulk density of 92g per 236.6 mL US Customary cup.

Imperial weight: 1.62 oz (0.1 lb) • Volume: 118.3 mL (8 tbsp)

Batch
Measuring density
Converted Measure
0.5 US cup Oat Flour (spooned & leveled) =
46 g
Physical scoop breakdown0.50 cups
1/2 cup
Edit either side to reverseOat Flour chart →
Grams
46 g
Ounces
1.62 oz
US Cups
½ cup
Metric (250mL)
0.47 c
Tablespoons
8 tbsp
Milliliters
118.3 mL

Kitchen note: Test-kitchen baseline uses spooned & leveled (92g/cup). Switching to scooped from bag (104g/cup) changes each cup by 12g—use the packing toggle on the scale bench to match your recipe.

Batch Scaling Around ½ US Cup Oat Flour

Batch scaling conversion table around ½ US Cup of Oat 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×) 23g (0.81 oz) ¼ cup 59.1 mL
Standard (1×) 46g (1.62 oz) ½ cup 118.3 mL
1.5× Batch 69g (2.43 oz) ¾ cup 177.4 mL
Double Batch (2×) 92g (3.25 oz) 1 cup 236.6 mL
Triple Batch (3×) 138g (4.87 oz) 1 ½ cups 354.9 mL

Measuring ½ US Cup of Oat Flour in the Kitchen

Measured spooned & leveled at a verified bulk density of 92g per US cup, ½ US cup of oat flour weighs 46 grams (1.62 ounces). Measured using the scooped from bag method (104g/cup), that same ½ cup holds 52g — a 6g difference in your mixing bowl.

Spoon lightly and level. Oat flour is exceptionally light and fluffy; shaking the cup causes severe settling.

Source note: King Arthur Baking standard (92g/cup) & USDA FDC #169747

Frequently Asked Questions

How many grams is ½ cup of oat flour? ▾

½ US Cup of oat flour measured spooned & leveled weighs 46 grams (1.62 ounces).

Can I make oat flour at home by blending rolled oats? ▾

Yes, blend old-fashioned rolled oats until powdery; weigh out 92 grams per cup needed in your recipe.

Is oat flour completely gluten-free? ▾

Pure oats are gluten-free, but check for certified gluten-free processing to avoid wheat cross-contamination.