Average Calculator

Compute mean, median, mode, min/max, range, and sample standard deviation. Switch to weighted mean when you have values with weights.

← Back to School Tools 🏠 Home
Inputs
Basic stats
Weighted mean
Parsing rules: accepts commas, spaces, and new lines. Ignores empty items.
ToolStack • Works offline • Single-file tool
Explanation

Computes common statistics from a list of numbers.

  • Mean: Σx ÷ n
  • Median: middle value (or average of two middle values after sorting).
  • Mode: most frequent value(s).
  • Sample standard deviation: sqrt( Σ(x−mean)^2 ÷ (n−1) )
  • Weighted mean: Σ(value×weight) ÷ Σ(weight)