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Arithmetic

Average Speed

Formula
Average Speed = Total Distance / Total Time

What is Average Speed?

Average speed is the total distance traveled divided by the total time taken. It is not simply the average of the individual speeds.

Variables

  • T
    Total Distance — Sum of all distances traveled
  • T
    Total Time — Sum of all time taken

Worked Examples

Example 1

A person travels 120 km in 2 hours, then 80 km in 1 hour. Find the average speed.

Solution:

Total distance = 200 km, total time = 3 hours. Average speed = 200/3 ≈ 66.67 km/h

Frequently Asked Questions

Related Formulas

Percentage Change

((New Value − Original Value) / Original Value) × 100

Simple Interest

I = (P × R × T) / 100

Compound Interest

A = P × (1 + R/100)^T

Speed, Distance, Time

Speed = Distance / Time

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