How this calculator works
A cubic centimetre is exactly one millilitre, but it has no universal mass in grams. The calculator multiplies volume by density to find mass, divides mass by density to find volume, or solves density from both measurements. Ingredient presets use King Arthur Baking cup weights and an assumed US customary cup of exactly 236.5882365 mL: all-purpose flour 120 g, granulated sugar 198 g, packed brown sugar 213 g, maple syrup 312 g per cup, and honey 21 g per US tablespoon of 14.78676478125 mL. These are practical bulk-density estimates; packing, brand and temperature can change them. The water preset is a nominal 1 g/cc approximation.
Formula
grams = cc x density in g/cc; cc = grams / density in g/cc; density = grams / cc. Preset density in g/cc = published grams per cup / 236.5882365.
Worked example
At a measured density of 0.8 g/cc, 250 cc has a mass of 200 g. Using the flour preset, 236.5882365 cc corresponds to the published 120 g cup weight. Conversely, 336 g of the honey preset fills one assumed US cup.
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Frequently asked questions
Is 1 cc always 1 g?
No. That is only a useful approximation for water. Flour, honey and other ingredients have different densities.
Why do flour results vary?
Scooping, spooning and packing change the air spaces in flour. Use a scale or a measured bulk density for more reliable mass.
Can I solve for density?
Yes. Select density, then enter a positive volume and positive mass. The material preset does not affect that measurement.