Math Calculators

Weighted Average Calculator

Calculate weighted mean from values and corresponding weights.

Values (comma separated)

Weights (comma separated)

Weighted Average Formula

Weighted Mean = Σ(value × weight) / Σ(weight)

Scores 80, 90, 75 with weights 30%, 40%, 30% gives weighted average 82.5.

Do weights need to sum to 1?

Calculate mean, median, and mode for any data set. Find central tendency measures for your data.

Calculate standard deviation, variance, and mean for a data set. Enter comma-separated values for statistical analysis.

Calculate z-score from value, mean, and standard deviation.