Speed conversion calculator

Compare

Compare 120 km/hr to speed standards from:
CarsPlanesPhysicsNature

Speed of sound in dry air: 1236 km/hr Speed of sound in water: 5342 km/hr Speed of sound in iron: 18432 km/hr Speed of light in water: 809642047 km/hr Speed of light in vacuum: 1079252849 km/hr

References

  • Speed of light/sound
  • Speed of unladen swallow