120 Grams of Flour to Cups
120 grams of all-purpose flour equals 1 cup, based on 120 g per cup (spoon-and-level method). In the kitchen, measure 1 cup. For best results, weigh all-purpose flour with a scale — cup measurements vary with how the cup is filled.
This is a typical single-recipe amount, where how you fill the cup matters most: scooped all-purpose flour can pack 20–30% heavier than spooned.
How much is 120 grams of all-purpose flour?
| US cups | 1 cup (1 cups) |
|---|---|
| Measured as | 1 cup |
| Ounces (weight) | 4.2 oz |
| Tablespoons (level) | about 16 tbsp |
| Density used | 120 g per US cup |
Seeing a different answer elsewhere? Sources disagree on flour: King Arthur's spoon-and-level standard is 120 g per cup (our number, giving 1 cup), while USDA-based tables use 125 g (giving 1 cup, 0.96 cups). Both are correct for their measuring method — see how we measure.
How to measure 120 g of all-purpose flour without a scale
Spoon flour into the cup with a spoon, then level the top with a straight edge — never scoop the cup into the bag. Scooping compresses flour and can pack in 20–30% more (140 g+ instead of 120 g), which is the single most common reason baked goods turn out dry. Sifted flour runs lighter still, about 110 g per cup.
Nearby amounts
| Grams | Cups | Decimal |
|---|---|---|
| 90 g | ¾ cup | 0.75 |
| 100 g | ⅞ cup | 0.83 |
| 110 g | ⅞ cup | 0.92 |
| 113 g | 1 cup | 0.94 |
| 125 g | 1 cup | 1.04 |
| 140 g | 1 ⅛ cups | 1.17 |
| 150 g | 1 ¼ cups | 1.25 |
| 160 g | 1 ⅓ cups | 1.33 |
120 grams of other ingredients
120 grams to cups for every ingredient — the full comparison table.
The same weight fills a very different cup depending on density — that's why "grams to cups" always needs the ingredient:
- 120 g of granulated sugar to cups — ⅝ cup
- 120 g of butter to cups — ½ cup
Convert another amount
250 g All-purpose flour = 2 ⅛ cups
Exactly 2.08 cups — or measure 2 cups + 1 tbsp.
More flour conversions: the full grams-to-cups flour chart · 1 cup of all-purpose flour in grams
Density 120 g/cup — sources: King Arthur Baking ingredient weight chart, USDA FoodData Central. Data verified 2026-08-20. Methodology.