Distance to Overtake

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Equation / Last modified by KurtHeckman on 2019/05/02 11:06
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vCalc.Distance to Overtake

The Distance to Overtake calculator computes the distance required to overtake a vehicle based on the speeds of the two vehicles and the head start.

INSTRUCTION: Choose units and enter the following:

  • (h)  Distance between the vehicle (i.e. the head start)
  • (V1) This is the velocity of the chase vehicle.
  • (V2) This is the velocity of the lead vehicle.

Distance to Overtake (d): The calculator returns the distance in miles.  However, this can be automatically converted to compatible units via the pull-down menu.


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The Math / Science

The formula for the time required to overtake is:

        d = V1•h / (V1 - V2)


  • d is the distance required at the specified velocities for vehicle 1 to overtake vehicle 2.
  • h is the distance between the vehicles or the head-start.
  • V1 is the velocity of vehicle one
  • V2 is the velocity of vehicle two.