Whole Wheat Flour:
Grams to Cups
By Stefan Ulrich · Last updated
Whole wheat flour weighs 120 grams per cup — the same as all-purpose flour. But don't let identical numbers fool you: baking with whole wheat is a fundamentally different experience. The bran particles in whole wheat absorb more liquid and cut gluten strands, producing denser, earthier baked goods.
How much Whole Wheat Flour weighs at each cup measure.
Convert Whole Wheat Flour
1 cup = 120 grams
= — grams
= — cups
Quick reference
Measurement Table
| Cups | Grams | Ounces |
|---|---|---|
| 1 tsp | 3 g | 0.11 oz |
| 1 tbsp | 8 g | 0.28 oz |
| ⅛ cup | 15 g | 0.53 oz |
| ¼ cup | 30 g | 1.06 oz |
| ⅓ cup | 40 g | 1.41 oz |
| ½ cup | 60 g | 2.12 oz |
| ⅔ cup | 80 g | 2.82 oz |
| ¾ cup | 90 g | 3.17 oz |
| 1 cup | 120 g | 4.23 oz |
| 1¼ cups | 150 g | 5.29 oz |
| 1½ cups | 180 g | 6.35 oz |
| 2 cups | 240 g | 8.47 oz |
| 3 cups | 360 g | 12.70 oz |
About Whole Wheat Flour
When substituting whole wheat flour for all-purpose in a recipe, most bakers start with a 50/50 blend. Using 100% whole wheat will give you 100% whole wheat flavor and density, which works beautifully in hearty breads but can make muffins and quick breads feel heavy.
Because the bran absorbs water slowly, whole wheat doughs often benefit from a 30-minute autolyse — letting the dough rest before kneading. This allows full hydration and prevents a falsely stiff dough.
Whole wheat pastry flour is a finer grind designed for more delicate baked goods. It weighs slightly less per cup — approximately 110 g — and behaves more like all-purpose flour in texture while retaining the whole grain nutrition.
Tips for measuring Whole Wheat Flour
- Add 1–2 tbsp extra liquid per cup when substituting for all-purpose flour.
- Let whole wheat doughs rest 30 minutes before kneading (autolyse).
- White whole wheat flour is milder in flavor but identical in weight.
- Store in the refrigerator or freezer — the bran oil can go rancid at room temperature.
Common mistakes
- Substituting 1:1 without adding extra liquid — leads to dry, crumbly results
- Using whole wheat in recipes that depend on delicate gluten development (croissants, puff pastry)
Frequently Asked Questions
- How many grams in a cup of Whole Wheat Flour?
- 1 cup of Whole Wheat Flour weighs 120 grams — the standard used in most American recipes. Use the converter above for any other amount.
- How many grams is 1 tablespoon of Whole Wheat Flour?
- 1 tablespoon of Whole Wheat Flour weighs about 8 grams. The full table above lists every common cup fraction.
- What's the most common mistake when measuring Whole Wheat Flour?
- Substituting 1:1 without adding extra liquid — leads to dry, crumbly results. Weighing on a kitchen scale avoids it entirely.
- Should I sift Whole Wheat Flour before or after measuring?
- Measure Whole Wheat Flour first, then sift — unless the recipe says "sifted flour, then measured." Sifting after measuring keeps the gram weight predictable.