Cooking measurement converter (cups ↔ grams)
Convert cups and spoons into grams (and back) per ingredient, using typical density.
Approximate reference densities — real weight varies if sifted, packed or moist. Cup = 240 ml, tablespoon = 15 ml, teaspoon = 5 ml.
How the calculation works
Volume is turned into weight using the ingredient's density: grams = volume (ml) × density. A cup of flour (~0.53 g/ml) weighs far less than a cup of honey (~1.42 g/ml) at the same volume.
Examples
- 1 cup of flour ≈ 127 g; 1 cup of sugar ≈ 200 g — same volume, different weight.
- 1 tablespoon ≈ 15 ml; 1 teaspoon ≈ 5 ml.
Frequently asked questions
Why do a cup of flour and a cup of sugar weigh differently?
Because they have different densities. The same cup (volume) yields different weights per ingredient.
Is the Brazilian cup the same as the US one?
Almost: the US cup is 240 ml; the Brazilian "tea cup" is usually 200–240 ml.
Cup or scale for cakes and bread?
The scale (grams) is more precise, since volume varies with how packed the ingredient is.
How much does a cup of flour weigh?
About 130 g in a 250 ml cup, though it ranges from 120 to 150 g depending on how it is packed.
Is a Brazilian cup the same as a US cup?
No. The metric cup is 250 ml and the US cup about 237 ml — roughly 5% apart.
Can I convert ml to grams directly?
Only with the ingredient's density. A cup of water is 250 g, flour about 130 g and honey about 355 g.
When is a scale essential?
In baking and pastry, where exact ratios matter. For stews and soups, volume measures are fine.
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Updated on June 30, 2026 · by Rafael Rossi · Methodology & sources