Class Width Calculator

Class Width

The class width calculator helps you calculate the difference between the upper and lower class limit of a class interval.

Enter the minim, maximum, and number of classes the calculate the class width.

In the event that you are unfamiliar, the size or width of a class interval is determined by the variance between the upper and lower class boundaries. It is commonly known as the class width, class size, or class strength.

Class width = (max-min) / n

  • max= the upper limit
  • min= lower limit
  • n= number of classes
class width calculator

You might be interested in finding the class rank or stem leaf graph.


  • Agarwal, B. L. (2006). Basic statistics. New Age International.
  • Brase, C. H., & Brase, C. P. (2023). Understanding basic statistics. Cengage learning.
  • Class Width – an overview | ScienceDirect Topics. (n.d.). Class Width – an Overview | ScienceDirect Topics.
  • Tsokos, C., & Wooten, R. (2016). Basic Statistics. The Joy of Finite Mathematics, 265–327.
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