Gram per cubic centimeter (g/cm³)

CGS density unit; water has a density of approximately 1 g/cm³

The Gram per cubic centimeter (g/cm³) is a unit of density used in scientific, engineering, and practical contexts. Unit standardization in the field of density has evolved over centuries as international scientific bodies and engineering organizations developed consistent measurement frameworks. The International System of Units (SI) provides the modern foundation for most technical measurements, though legacy units from national and industrial traditions continue to be used alongside SI units in many fields. The Gram per cubic centimeter is precisely defined to ensure consistent, reproducible measurements across laboratories and industries worldwide.

Accurate density measurement is critical in engineering, science, commerce, and everyday life. Using the correct unit and applying conversions precisely prevents errors that can be costly or dangerous in professional applications. MegaCalc provides instant, precise conversions for the Gram per cubic centimeter and all related units so you can work confidently across unit systems.

Conversion Table

UnitSymbol1 g/cm³ =
Kilogram per cubic meterkg/m³1000 kg/m³
Gram per milliliterg/mL1 g/mL
Pound per cubic footlb/ft³62.4278 lb/ft³
Pound per cubic inchlb/in³0.0361273 lb/in³
Pound per gallonlb/gal8.34543 lb/gal
Kilogram per literkg/L1 kg/L
Slug per cubic footslug/ft³1.94032 slug/ft³

Conversions Involving Gram per cubic centimeter

Common Uses of the Gram per cubic centimeter

  • Material selection — comparing material densities for weight-critical designs
  • Quality control — verifying incoming material by density measurement
  • Fluid mechanics — determining buoyancy and stratification in fluid systems
  • Geology — characterizing rock types and soil compositions
  • Food science — measuring product density for fill-level and quality checks

Did You Know?

The International Bureau of Weights and Measures (BIPM) in Sèvres, France, is the custodian of the International System of Units (SI). The BIPM coordinates global measurement science and maintains the definitions of base units that underpin all scientific and industrial measurement. The Gram per cubic centimeter is part of this global measurement framework that ensures a scientific result in one country means exactly the same thing when replicated in another. This traceability is essential in fields from pharmaceutical manufacturing to aerospace engineering where measurement errors can have serious consequences. Since 2019, all seven SI base units are defined in terms of fundamental physical constants — the speed of light, the Planck constant, the Boltzmann constant, and others — freeing measurement standards from dependence on physical artifacts forever.