Mean / Median / Std. Deviation Calculator
10 toolsCalculate statistics for a list of numbers.
Runs in your browser — your files and text stay on your device
A complete calculator toolkit — percentage, BMI, loan EMI with amortization schedule, tip splitting, simple/compound interest, discount/markup, GST/sales tax, SIP investment growth, GPA/CGPA, and descriptive statistics. Instant results, nothing stored or sent anywhere.
PercentageBMI CalculatorLoan EMITip CalculatorSimple & Compound InterestDiscount / Markup CalculatorGST / Sales Tax CalculatorSIP / Investment CalculatorGPA / CGPA CalculatorMean / Median / Std. Deviation
Count
7
Sum
42
Mean
6
Median
6
Std. Deviation
2
Min / Max
3 / 9
How to use this tool
- 1Paste a list of numbers, separated by commas, spaces, or new lines.
- 2Count, sum, mean, median, mode, standard deviation, and range compute instantly.
Frequently asked questions
Is this population or sample standard deviation?
Population standard deviation, dividing by N rather than N-1.
What happens with duplicate values?
They're all counted normally — the mode shows the most frequent value(s), if any repeat.
Is my data sent anywhere?
No — everything computes entirely in your browser.