Skewness Calculator

Analyze data skewness with our Skewness Calculator. Accurately compute measures of asymmetry for statistical distributions.


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The Skewness Calculator is a valuable tool for statisticians, data analysts, and researchers. Skewness is a statistical measure that helps us grasp the symmetry of a data distribution. It quantifies how much data points lean to the left (negatively skewed) or to the right (positively skewed) in relation to the data's mean.

How to Use the Calculator

Using the Skewness Calculator is straightforward. Here are the steps to calculate skewness:

Data Input: Enter your dataset or data points into the input field. You can input data separated by commas or spaces. The data should represent the variable you want to analyze for skewness.

After entering the data and selecting the skewness type, click the "Calculate" button. The Skewness Calculator will furnish you with the skewness value and indicate whether the data distribution exhibits negative skew, positive skew, or is approximately symmetrical.

Interpreting the Result

The result from the Skewness Calculator is the skewness value, which can be positive, negative, or close to zero. Here's how to interpret the skewness value:

  • Positive Skewness (Right-skewed): If the skewness value is positive, it indicates that the data distribution is skewed to the right. In a right-skewed distribution, the right side has a longer or fatter tail, and most of the data points are concentrated on the left side.
  • Negative Skewness (Left-skewed): A negative skewness value suggests that the data distribution is skewed to the left. In a left-skewed distribution, the tail on the left side is longer or fatter, and most data points are concentrated on the right side.
  • Approximately Symmetrical: If the skewness value is close to zero, it implies that the data distribution is nearly symmetrical. In a symmetrical distribution, data points are evenly distributed on both sides of the mean, resulting in a bell-shaped curve.

Understanding skewness is crucial for various fields, including finance, economics, biology, and social sciences. It helps analysts identify the nature of data distributions, make informed decisions, and select appropriate statistical methods for analysis.


The Skewness Calculator has diverse applications in research, data analysis, and decision-making. Here are some key applications:

  • Finance: Analyze the skewness of financial data, such as stock returns, to assess investment risks and returns.
  • Economics: Examine the skewness of economic indicators to understand income distribution and inequality.
  • Biology: Study the skewness of biological measurements, like body weight in populations, for scientific research and healthcare planning.
  • Social Sciences: Assess the skewness of survey data to gain insights into social phenomena and public opinion.
  • Quality Control: Monitor manufacturing and production processes by analyzing the skewness of product quality data.

The Skewness Calculator simplifies the process of skewness calculation, making it accessible to professionals and researchers in various domains. Whether you're conducting academic research or performing data analysis in your industry, this calculator is a valuable resource for understanding the distribution of your data and making data-driven decisions.