How Much Is 3.91 Cups of All-Purpose Flour in Grams?
Converting 3.91 cups of all-purpose flour to grams gives 489.38 g. One cup of all-purpose flour weighs 125.16g, so 3.91 cups is 3.91 × 125.16 = 489.38g. This conversion is specific to all-purpose flour because each ingredient has a different density.
Formula and Step-by-Step
- Start with 3.91 cups of all-purpose flour
- 1 cup of all-purpose flour = 125.16g
- 3.91 × 125.16 = 489.38g
The same formula works for any amount. Multiply (or divide) by the density, then convert units as needed.
Measuring Tip
For the most consistent results, weigh all-purpose flour on a kitchen scale. Volume measurements can vary by 20-30% depending on how the flour is scooped.
All-Purpose Flour at Different Amounts
How all-purpose flour scales across common cups measurements. Your amount (3.91 cups) is highlighted.
For reference, 3.91 cups of all-purpose flour (489.38g) is close in weight to a bottle of water (500 ml) (510g).
Other Amounts of All-Purpose Flour
| Cups | US Grams | Metric Cup | Imperial Cup |
|---|---|---|---|
| 0.25 cups | 31.29 g | 33.06 g | 37.58 g |
| 0.33 cups | 41.30 g | 43.64 g | 49.60 g |
| 0.5 cups | 62.58 g | 66.13 g | 75.16 g |
| 0.75 cups | 93.87 g | 99.19 g | 112.73 g |
| 1 cup | 125.16 g | 132.26 g | 150.31 g |
| 1.5 cups | 187.74 g | 198.38 g | 225.47 g |
| 2 cups | 250.32 g | 264.51 g | 300.62 g |
| 3 cups | 375.48 g | 396.77 g | 450.93 g |
| 3.91 cups | 489.38 g | 517.12 g | 587.72 g |
| 4 cups | 500.64 g | 529.02 g | 601.24 g |
| 5 cups | 625.80 g | 661.28 g | 751.56 g |
Understanding the Units
What is a Cup?
A cup is a US customary unit of volume equal to 236.588 milliliters or 8 fluid ounces. It is the most common volume measurement in American recipes. One cup can be divided into 16 tablespoons or 48 teaspoons.
What is a Gram?
Weighing ingredients in grams eliminates the variability of volume measurements. A cup of flour can weigh anywhere from 120g to 160g depending on how it was scooped, but 120g of flour is always 120g of flour.