Standard Deviation Calculator
Quickly calculate standard deviation, variance, and mean for a dataset.
ℹ️ Enter a dataset of numbers (separated by comma, space, or newline) to calculate standard deviation, variance, and mean.
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Please enter valid numbers to view results
About This Tool
A professional online Standard Deviation Calculator designed for statistics, data analysis, and students. Simply enter a dataset of numbers (separated by commas, spaces, or newlines), and the tool will automatically parse and calculate key statistical metrics including sample standard deviation, population standard deviation, variance, and mean. All processing is done locally in your browser, ensuring data privacy and security, and features convenient one-click copying.
Features
- 🔢 Real-time Calculation: Automatic parsing and calculation on input
- 📊 Comprehensive Metrics: Supports sample/population standard deviation, variance, and mean
- 📋 Flexible Input: Supports multiple delimiters (comma, space, newline)
- 📋 One-click Copy: Easily copy all calculation results
- 🔒 Privacy: Local client-side processing, no data uploaded