Is Statistics Calculator free to use?

Yes, Statistics Calculator is completely free. No account, no sign-up, and no hidden fees required.

Is my data safe when using Statistics Calculator?

Your data never leaves your device. All processing happens locally in your browser — nothing is uploaded to any server.

Calculators

Calculate mean, median, mode, standard deviation, and variance for sets of data

Trusted by 10k+ developers

Data Set (Comma, Space, or Line separated)

Enter your data set above. The calculator will automatically compute descriptive statistics in real-time.

Arithmetic Mean

Median

Count (N)

St. Deviation (s)15.8114

Variance (s²)250.0000

Range40

Sum150

Mode10, 20, 30, 40, 50

Calculate percentages, tip amounts, and percentage changes with precision

Advanced multi-functional calculator with trigonometric, logarithmic, and exponential functions

Add, subtract, multiply, and divide fractions, and simplify them to lowest terms

Calculate your exact age in years, months, weeks, days, and even minutes

Convert your dog or cat's age to human years based on species, size, and AVMA guidelines

Track your academic performance with weighted GPA and semester grade estimates

Compute network ranges, broadcast addresses, and CIDR masks for IPv4 networking

Compute your ideal body weight based on multiple scientific formulas

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