Does mineral content change weight?

Difference is negligible for recipes; use 1 mL ≈ 1 g.

Water: How Many Grams in a Cup?

By Fidamen-Chefsolver Team | Reviewed by Ugo Candido | Updated July 14, 2026

Baseline cooking liquid; density is essentially 1 g per mL.

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Ingredient

US cup = 236.588 mL
1 tbsp = 14.787 mL
1 tsp = 4.929 mL

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Based on the measured density of Water (1 g/mL). Values rounded; real weight varies by brand, packing and temperature. Full sources in the tool on ChefSolver.

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Reference table

Water — cups to grams
Cups	g
1/8 cup	30
1/4 cup	59
1/3 cup	79
1/2 cup	118
2/3 cup	158
3/4 cup	177
1 cup	237
1 1/2 cups	355
2 cups	473

Use for hydration, stocks, syrups, and dissolving dry ingredients consistently by weight.

FAQ

Does mineral content change weight?: Difference is negligible for recipes; use 1 mL ≈ 1 g.

Water: How Many Grams in a Cup?

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Reference table

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