Use our Statistics Calculator online free to calculate mean, median, mode, range, and more instantly. Fast, accurate, mobile-friendly statistical analysis tool with no registration required.
245K uses this monthRating 4.9★Updated May 2026
📊 Descriptive
📋 Frequency
🔗 Correlation
📉 Regression
📖 Formulas
Descriptive Statistics
Enter numbers separated by commas, spaces, or new lines. Example: 4, 8, 15, 16, 23, 42
Sorted Data
Five-Number Summary (Box Plot)
Frequency Distribution
Enter your dataset below. The calculator groups values and shows how often each appears.
Value
Frequency
Relative Freq.
Cumulative
Bar
Pearson Correlation
Enter two datasets of equal length to find the Pearson correlation coefficient (r).
Strong −Mod −WeakMod +Strong +
−1−0.50+0.5+1
Paired Calculation Table
#
X
Y
X − X̄
Y − Ȳ
(X−X̄)(Y−Ȳ)
Linear Regression
Enter X and Y datasets to calculate the line of best fit: Ŷ = mX + b