How to Calculate Density (ρ = m/V)

Density is mass per unit volume — a fundamental property of matter. It's how we know whether something will float in water, how engineers choose materials, and how chemists identify substances. The formula is simple: ρ = m / V.

CalcPlanet – Free Online Calculators

725+ free calculators and 108 tools for math, money, health, and everyday life. Instant results, verified formulas, no sign-up.

· Reviewed against our Editorial Standards and Formula Sources.

CalcPlanet calculators are free, privacy-first, and formula-reviewed.

Editorial Standards · Formula Sources · Privacy · Terms · Contact