Stem and Leaf Plot Generator

What is a Stem and Leaf Plot?

A stem and leaf plot (also called a stemplot) is a graphical way to display and organize quantitative data. It is similar to a histogram but retains the original data values, making it useful for small to medium-sized data sets. The stem represents the leading digits and the leaf represents the trailing digit. For more data visualization tools, check our Statistics Calculator and Box and Whisker Plot Maker.

For example, in the number 42, the stem would be 4 and the leaf would be 2. In a stem and leaf plot, all stems are listed in a column and the leaves for each stem are listed in rows. This creates a visual distribution of the data while preserving every data point.

How to Use the Stem and Leaf Plot Generator

Enter your data set in the input area, separating values with commas or spaces. You can also copy and paste data from spreadsheets or text documents. The generator automatically parses your data and creates the stemplot.

Use the leaf digits setting to control how many trailing digits are used as leaves (1-4 digits). Enable split stems to create a more detailed view where each stem is divided into two rows (lower and upper halves), which helps reveal patterns in larger data sets.

Understanding the Statistics

Along with the stem and leaf plot, the generator calculates key descriptive statistics: minimum, maximum, range, count, sum, mean, median, mode, standard deviation, and variance. These statistics help you understand the central tendency, spread, and distribution of your data.

The mean is the average of all values. The median is the middle value when the data is sorted. The mode is the most frequently occurring value. Standard deviation measures how spread out the data is from the mean, and variance is the square of the standard deviation.