How Much Is 3.15 Cups of All-Purpose Flour in Ounces?
Converting 3.15 cups of all-purpose flour to ounces gives 13.91 oz. One cup of all-purpose flour weighs 125.16g, so 3.15 cups is 3.15 × 125.16 = 394.25g (13.91 oz). This conversion is specific to all-purpose flour because each ingredient has a different density.
Formula and Step-by-Step
- Start with 3.15 cups of all-purpose flour
- 1 cup of all-purpose flour = 125.16g
- 3.15 × 125.16 = 394.25g
- Convert grams to ounces: 394.25 ÷ 28.3495 = 13.91 oz
The same formula works for any amount. Multiply (or divide) by the density, then convert units as needed.
Measuring Tip
Different flour types have very different weights per cup. Always check the specific flour your recipe calls for rather than using a generic "flour" conversion.
All-Purpose Flour at Different Amounts
How all-purpose flour scales across common cups measurements. Your amount (3.15 cups) is highlighted.
For reference, 3.15 cups of all-purpose flour (394.25g) is close in weight to an American football (410g).
Other Amounts of All-Purpose Flour
| Cups | US Ounces | Metric Cup | Imperial Cup |
|---|---|---|---|
| 0.25 cups | 1.10 oz | 1.17 oz | 1.33 oz |
| 0.33 cups | 1.46 oz | 1.54 oz | 1.75 oz |
| 0.5 cups | 2.21 oz | 2.33 oz | 2.65 oz |
| 0.75 cups | 3.31 oz | 3.50 oz | 3.98 oz |
| 1 cup | 4.41 oz | 4.67 oz | 5.30 oz |
| 1.5 cups | 6.62 oz | 7.00 oz | 7.95 oz |
| 2 cups | 8.83 oz | 9.33 oz | 10.60 oz |
| 3 cups | 13.24 oz | 14.00 oz | 15.91 oz |
| 3.15 cups | 13.91 oz | 14.70 oz | 16.70 oz |
| 4 cups | 17.66 oz | 18.66 oz | 21.21 oz |
| 5 cups | 22.07 oz | 23.33 oz | 26.51 oz |
Understanding the Units
What is a Cup?
In US cooking, a cup measures volume, not weight. One standard US cup holds 236.588 ml of liquid. Because different ingredients have different densities, a cup of one ingredient can weigh very differently from a cup of another.
What is an Ounce?
Ounces are commonly used in US recipes for cheese, meat, chocolate, and other ingredients sold by weight. Many kitchen scales offer both gram and ounce readings.