How much does 3 cups of all-purpose flour weigh?

3 cups of all-purpose flour weighs exactly 360 grams (12.7 oz).

Can I use this conversion for all-purpose flour from any brand?

Yes, all-purpose flour density (120g/cup) is consistent across brands, with minor ±5% variation.

How Many Grams in 3 Cups of All Purpose Flour?

Precise conversion for baking and cooking.

The exact weight is

360

grams

3 cups of all-purpose flour = 360g · Based on 120g per cup

🔢 Quick Calculator

cups of all-purpose flour = 360g

All Purpose Flour — All Cup-to-Gram Conversions

Cups	Grams	Ounces
⅛ cups	15g	0.5 oz
¼ cups	30g	1.1 oz
⅓ cups	40g	1.4 oz
½ cups	60g	2.1 oz
⅔ cups	80g	2.8 oz
¾ cups	90g	3.2 oz
1 cup	120g	4.2 oz
1¼ cups	150g	5.3 oz
1½ cups	180g	6.3 oz
1¾ cups	210g	7.4 oz
2 cups	240g	8.5 oz
2½ cups	300g	10.6 oz
3 cups	360g	12.7 oz
4 cups	480g	16.9 oz
5 cups	600g	21.2 oz

💡 Pro Tip: Spoon into the cup and level off for accuracy. Scooping directly packs the flour and adds up to 30g extra.

Why Weigh All Purpose Flour in Grams?

When a recipe calls for 3 cups of all-purpose flour, using a kitchen scale to measure exactly 360 grams will give you far more consistent results than volume measurement alone. This is because all-purpose flour can be packed, sifted, or scooped differently each time, leading to weight variations of up to 20%.

How to Measure All Purpose Flour by Weight

Place your mixing bowl on a digital kitchen scale and press "tare" to zero it out. Then add all-purpose flour until the scale reads 360g. This method is faster than measuring cups and eliminates the guesswork entirely.

Also Known As

All Purpose Flour is sometimes referred to as plain flour, AP flour. The same conversion of 120g per cup applies regardless of the name used.

Frequently Asked Questions

3 cups of all-purpose flour weighs exactly 360 grams or approximately 12.7 ounces. This is based on a standard US cup measurement of 120 grams per cup.

Yes, the density of all-purpose flour (120g 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 (360g), 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.