The Sturges' Rule Calculator

The Sturges’ Rule is a formula used to get the optimal number of bins you should use when making a histogram given a certain number of sample size.

The formula is as follows:

OB = [log₂n + 1]

Where OB is the optimal number of bins and n is the sample size.

You need to provide the sample size and hit the ‘Calculate’ button below:

The result is usually rounded to the nearest integer.

I hope this calculator is useful. Happy analyzing!