article: Kilogram
links: Avoirdupois Standard gravity Planck constant Inertia Metre Convention General Conference on Weights and Measures Isaac Newton Gram Albert Einstein Pound (mass) Imperial units Newton (unit) International System of Units Metric system Newton's laws of motion SI base unit National Institute of Standards and Technology Sèvres International Bureau of Weights and Measures United States customary units Mass Force (physics) International Committee for Weights and Measures Lorentz factor Mass versus weight Litre Grave (mass) Weight