100 ml to Cups
100 ml is 0.42 US cups — in the kitchen, measure 7 tbsp. One US cup is 236.588 ml, so millilitres rarely land on a round cup fraction; the practical measure above is the closest you can actually scoop.
Measuring cups vary by country: this answer uses the US customary cup of 236.588 ml. Against a 250 ml metric cup, 100 ml is 0.4 cups instead.
How many cups is 100 ml?
| US cups (exact) | 0.42 cups |
|---|---|
| Kitchen measure | 7 tbsp |
| Tablespoons | 6.8 tbsp |
| Teaspoons | 20 tsp |
| US fluid ounces | 3.4 fl oz |
| Metric cups (250 ml) | 0.4 cups |
What does 100 ml weigh?
Millilitres measure volume, so the weight depends entirely on what you are measuring. At 100 ml:
| Ingredient | Weight |
|---|---|
| Flour | 51 g |
| Sugar | 85 g |
| Powdered Sugar | 51 g |
| Brown Sugar | 90 g |
| Honey | 144 g |
| Butter | 96 g |
| Milk | 104 g |
| Rice | 78 g |
Water is the one case where the two match: 100 ml of water weighs about 100 g.
Nearby amounts
| ml | Cups (exact) | Kitchen measure |
|---|---|---|
| 60 ml | 0.25 | ¼ cup |
| 75 ml | 0.32 | ⅓ cup |
| 80 ml | 0.34 | ⅓ cup |
| 120 ml | 0.51 | ½ cup |
| 125 ml | 0.53 | ½ cup |
| 150 ml | 0.63 | ⅝ cup |
Convert another amount
100 ml = 0.423 cup
More: the full ml-to-cups chart · cups to ml · cups to grams by ingredient
1 US cup = 236.588 ml; metric cup = 250 ml; US legal cup = 240 ml. Ingredient weights from the open density dataset. Data verified 2026-08-20. Methodology.