Cup & Gram

450 ml to Cups

450 ml is 1.9 US cups — in the kitchen, measure 1 cup + 14 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, 450 ml is 1.8 cups instead.

How many cups is 450 ml?

450 ml in every kitchen unit
US cups (exact)1.9 cups
Kitchen measure1 cup + 14 tbsp
Tablespoons30.4 tbsp
Teaspoons91 tsp
US fluid ounces15.2 fl oz
Metric cups (250 ml)1.8 cups

What does 450 ml weigh?

Millilitres measure volume, so the weight depends entirely on what you are measuring. At 450 ml:

450 ml of common ingredients, by weight
IngredientWeight
Flour 228 g
Sugar 380 g
Powdered Sugar 228 g
Brown Sugar 405 g
Honey 647 g
Butter 432 g
Milk 466 g
Rice 352 g

Water is the one case where the two match: 450 ml of water weighs about 450 g.

Nearby amounts

Millilitres to US cups
mlCups (exact)Kitchen measure
300 ml 1.27 1 ¼ cups
350 ml 1.48 1 ½ cups
400 ml 1.69 1 ⅔ cups
500 ml 2.11 2 ⅛ cups
600 ml 2.54 2 ½ cups
750 ml 3.17 3 ⅛ cups

Convert another amount

450 ml = 1.902 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.