How Many Grams in 1¼ Cups of Oat Flour?

Precise conversion for baking and cooking.

The exact weight is
115
grams
1¼ cups of oat flour = 115g  ·  Based on 92g per cup

🔢 Quick Calculator

cups of oat flour = 115g

Oat Flour — All Cup-to-Gram Conversions

Cups Grams Ounces
⅛ cups 12g 0.4 oz
¼ cups 23g 0.8 oz
⅓ cups 31g 1.1 oz
½ cups 46g 1.6 oz
⅔ cups 61g 2.2 oz
¾ cups 69g 2.4 oz
1 cup 92g 3.2 oz
1¼ cups 115g 4.1 oz
1½ cups 138g 4.9 oz
1¾ cups 161g 5.7 oz
2 cups 184g 6.5 oz
2½ cups 230g 8.1 oz
3 cups 276g 9.7 oz
4 cups 368g 13.0 oz
5 cups 460g 16.2 oz
💡 Pro Tip: You can make oat flour by blending rolled oats in a food processor.

Why Weigh Oat Flour in Grams?

When a recipe calls for 1¼ cups of oat flour, using a kitchen scale to measure exactly 115 grams will give you far more consistent results than volume measurement alone. This is because oat flour can be packed, sifted, or scooped differently each time, leading to weight variations of up to 20%.

How to Measure Oat Flour by Weight

Place your mixing bowl on a digital kitchen scale and press "tare" to zero it out. Then add oat flour until the scale reads 115g. This method is faster than measuring cups and eliminates the guesswork entirely.

Also Known As

Oat Flour is sometimes referred to as ground oats. The same conversion of 92g per cup applies regardless of the name used.

Frequently Asked Questions

1¼ cups of oat flour weighs exactly 115 grams or approximately 4.1 ounces. This is based on a standard US cup measurement of 92 grams per cup.
Yes, the density of oat flour (92g per cup) is consistent across brands. Minor variations of ±5% may occur depending on grind, moisture, and how the ingredient is packed into the cup — which is exactly why weighing with a scale is recommended.
If measuring by cups, whether you sift can change the weight by 10-20%. When measuring by weight (115g), sifting doesn't affect accuracy since you're targeting an exact gram amount regardless of volume.
This conversion uses the US standard cup (236.6ml, commonly rounded to 240ml). If you're using a metric cup (250ml), the weight will be slightly higher. For perfect accuracy, always use a kitchen scale.

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