Standard Deviation Calculator for CSV Data: Paste Columns, Rows, or Exported Values
Calculate standard deviation from CSV-style data by pasting numeric columns, rows, or exported values into the calculator. Built for QC engineers analyzing 20-100 batch SPC measurements, classroom researchers checking survey exports, and analysts moving from Excel, Google Sheets, or a CSV file into sample SD, population SD, variance, mean, standard error, range, z-score, confidence interval, and outlier workflows.
12 values
Instant Math
Use when your data represents a subset of a larger population. Applies Bessel's correction.
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Input your numbers into the Standard Deviation Calculator panel to see real-time statistics, variance, and normal distribution charts.