Free Histogram Maker

How to use this tool?

Paste, upload or switch modes. Type or paste numbers separated by commas, spaces or new lines, or drop in a .csv / .txt file. Switch to Frequency table mode if your data is already summarised as range, count.Let Auto pick bins, or take control. Auto uses the square-root rule and works for most sizes.

How to make a histogram in 4 steps?

From a raw list of numbers to a finished chart, the whole process takes well under a minute.Add your dataType or paste your numbers in the box, separated by commas, spaces or line breaks.

How to read skewness and what it means for your data?

Skewness measures how lopsided a distribution is. The maker reports it as a signed number and translates it into plain English so you can act on it without a stats textbook open.Right-skewed (positive skew) means a long tail toward higher values. Household income is the textbook example: most people cluster in a modest range, but a small number of very high earners drag the tail out to the right.

What is a histogram?

A histogram is a chart that shows how a set of numbers is distributed. The range of values is split into consecutive intervals called bins, and the height of each bar shows how many data points fall inside that interval.