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Education

Density Calculator

Classic density formula. Useful for chemistry, geology, and engineering. Will it float? Compare to water (1 g/mL).

Result

Formula
Units
vs water (1 g/mL)

FAQ

Common densities (g/mL)? +
Water = 1.00, ice = 0.92, oil = 0.91 (floats), aluminum = 2.70, iron = 7.87, gold = 19.32, lead = 11.34.
Why does ice float? +
Water expands when it freezes — H2O molecules form a rigid crystalline structure with more space between them. Density drops from 1.00 to 0.92.