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Grams to Cups Converter

Pick your ingredient, type grams, see cups. The conversion uses each ingredient's real density — flour and butter are not the same.

Density: 0.53 g/ml. Powders and flours are approximate — measurements vary ±20% with sifting and packing.

How it works

A "cup" is a volume measure (236.6 ml in the US). A gram is a weight measure. They convert only when you know how dense the ingredient is. 1 cup of flour weighs ~125g; 1 cup of honey weighs ~340g. The converter looks up the ingredient's density (g/ml) and multiplies by 236.6 ml to get grams per cup, or divides to go the other way.

Frequently asked

Why does 1 cup of flour weigh less than 1 cup of sugar?
Density. Sugar crystals pack tighter than flour particles, so the same volume holds more weight — about 200g of sugar vs 125g of flour per cup.
How accurate are these conversions?
Within ±10% for most ingredients. The biggest source of variation is how you fill the cup — sifted flour weighs less than scooped. For baking accuracy, weigh ingredients on a scale rather than measuring by volume.
Is this a US cup or metric cup?
US standard cup = 236.6 ml. Metric cup (used in UK, Australia, NZ, Canada) = 250 ml — about 6% larger. If a recipe is from outside the US, multiply the US gram value by 1.057.
Why does brown sugar weigh more than white sugar per cup?
Brown sugar is packed when measured — the molasses sticks the crystals together. Packed brown sugar weighs ~220g per cup; loose granulated weighs ~200g per cup.
Can I convert "cups of chicken" or "cups of vegetables"?
Not reliably. Whole foods are too variable in density — diced vs sliced, cooked vs raw, packed vs loose. Recipe authors should specify weight for these.

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