Free Online Standard Deviation Calculator
Ready to analyze your data? Use our Free Online Standard Deviation Calculator below. Enter your numbers, click “Calculate,” and get detailed statistics with a histogram.
Statistics
Data Overview
Data Distribution
The Standard Deviation Calculator is a useful tool for calculating important statistical measures for a numerical dataset, such as sample and population standard deviation, variance, mean, median, mode, minimum, maximum, and range. Users enter numbers (separated by commas, spaces, or newlines), and the calculator generates a complete results table, data overview (original and sorted data), and histogram that depicts the data distribution.
How to Use the Standard Deviation Calculator Online
Calculating statistical measures is easy with the Standard Deviation Calculator. Follow these steps for instant results.
Step-by-Step Instructions:
- Enter Numbers: Input your dataset (e.g., 12, 15, 21, 20) in the textarea, separated by commas, spaces, or newlines.
- Calculate: Click “Calculate” or press Ctrl+Enter to view results.
- Review Results:
- Statistics Table:
- Count (e.g., 4).
- Mean (e.g., 17).
- Median (e.g., 17.5).
- Mode (e.g., No mode).
- Minimum (e.g., 12).
- Maximum (e.g., 21).
- Range (e.g., 9).
- Sample Variance (e.g., 18).
- Sample Standard Deviation (e.g., 4.2426).
- Population Variance (e.g., 13.5).
- Population Standard Deviation (e.g., 3.6742).
- Data Overview:
- Original Data (e.g., 12, 15, 21, 20).
- Sorted Data (e.g., 12, 15, 20, 21).
- Statistics Table:
- Reset (Optional): Click “Reset” to clear inputs and start over.