g

9.8 m/s² or ~10 m/s²

Magnitude of gravitational acceleration near the surface of the Earth

ρ_water

1000 kg/m³ = 1g/cm³

Density of water

e

1.6 x 10^-19 C

Elementary electric charge

k₀

9 x 10⁹ N∙m²/C²

Coulomb's constant

l₀

10^-12 W/m²

Threshold of hearing

c

3 x 10⁸ m/s

Speed of light in vacuum

Speed (v)

m/s

Density (ρ)

kg/m³

Work (W)

kg∙m²/s²

Standard atmospheric pressure

760 mmHg