In short, speed is defined as how fast an object moves and velocity is the rate at which the object changes its position in a specific direction.

Difference Between Speed and Velocity

  • Speed is calculated by the displacement of space per unit of time. Velocity, on the other hand, is calculated by the displacement of space per unit of time in a certain direction.
  • Velocity deals with the direction but speed doesn’t.
  • Speed is a scalar quantity whereas velocity is a vector quantity.
  • Speed is measured in the unit of distance divided by the time taken. For example, 100 km per hour, 5 miles/day, etc. On the other hand, velocity is measured including speed and the direction travelled. For instance, 100 km per hour in the northeast direction.

Therefore, the formulae for both terms are:

Speed = Distance covered / Time taken

Velocity = Displacement / Time

Hope it was useful. Also, find “What Is The Difference Between Sea and Ocean?