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HomeCooking ConversionsWater

Water: Cups to Grams

Everyday weights for water - cups, tablespoons, teaspoons, and milliliters, plus the reverse lookup.

= 0.42 cups

= 237 g

Good to know: Exactly 236.59 g at room temperature - the reference for "1 cup of water".
Volume → Weight
1/4 cup59.3 g59.1 mL
1/3 cup79 g78.9 mL
1/2 cup119 g118 mL
1 cup237 g237 mL
1 1/2 cups356 g355 mL
2 cups474 g473 mL
3 cups711 g710 mL
4 cups948 g946 mL
Tablespoons → Grams
1 tbsp14.8 g
2 tbsp29.6 g
3 tbsp44.4 g
4 tbsp59.3 g
8 tbsp119 g
16 tbsp237 g
Teaspoons → Grams
1 tsp4.94 g
2 tsp9.88 g
3 tsp14.8 g
4 tsp19.8 g
8 tsp39.5 g
Grams → Cups
25 g0.11 cups
50 g0.21 cups
100 g0.42 cups
150 g0.63 cups
200 g0.84 cups
250 g1.05 cups
500 g2.11 cups
1000 g4.22 cups
Volume converter (cups, ml, tbsp…) →Weight converter (g, kg, oz…) →

Quick Answer

One US cup of water weighs about 237 grams. That works out to 14.8 g per tablespoon and 4.94 g per teaspoon. Exactly 236.59 g at room temperature - the reference for "1 cup of water". Weights vary slightly by brand, moisture, and how tightly you pack - for precise baking, a kitchen scale beats volume measures.

Key Facts

  • 1 cup water = 237 g
  • 1 tablespoon = 14.8 g
  • 1 teaspoon = 4.94 g
  • 1/2 cup = 119 g
  • 1 cup = 236.59 mL (volume does not change, weight does)
  • Values assume standard US measures (1 cup = 236.59 mL)

Frequently Asked Questions

How many grams in 1 cup of water?

About 237 grams, scoop-and-level for dry ingredients. Exactly 236.59 g at room temperature - the reference for "1 cup of water".

How many grams in a tablespoon of water?

One US tablespoon (15 mL) of water is about 14.8 grams. A teaspoon is 4.94 g.

Why does water weigh more (or less) than water?

Its density differs from water's 1 g/mL: 1 cup of water weighs 237 g versus 237 g for water. Denser liquids (honey, syrup) weigh more per cup; oils weigh less.

How many cups is 100 g of water?

100 g ÷ 237 g/cup ≈ 0.42 cups - about a little less than a full cup. The reverse table on this page covers 25-1000 g.

Should I weigh or measure by volume?

Weighing is more accurate - volume measures vary with how you scoop, pack, and level, and brands differ by 5-15%. For cookies and cakes where ratios matter, grams are the professional standard. The tables here convert either direction.

Frequently Asked Questions

About 237 grams, scoop-and-level for dry ingredients. Exactly 236.59 g at room temperature - the reference for "1 cup of water".

1 cup water ≈ 237 g.

One US tablespoon (15 mL) of water is about 14.8 grams. A teaspoon is 4.94 g.

1 tbsp ≈ 14.8 g, 1 tsp ≈ 4.94 g.

Its density differs from water's 1 g/mL: 1 cup of water weighs 237 g versus 237 g for water. Denser liquids (honey, syrup) weigh more per cup; oils weigh less.

100 g ÷ 237 g/cup ≈ 0.42 cups - about a little less than a full cup. The reverse table on this page covers 25-1000 g.

100 g ≈ 0.42 cups.

Weighing is more accurate - volume measures vary with how you scoop, pack, and level, and brands differ by 5-15%. For cookies and cakes where ratios matter, grams are the professional standard. The tables here convert either direction.