All-in-One Tools Collection

A broad collection of online tools for development, AI, design, and productivity tasks.

Showing page 34 of 179 (12 tools on this page)

Convert a z-score into normal-distribution percentile, tail probability, or central area

Calculate coefficient of variation as relative standard deviation for comparing variability across datasets

Calculate sample standard deviation from sample variance using the n - 1 denominator

Calculate sample variance with the n - 1 denominator for estimating spread from a sample dataset

Calculate sample and population standard deviation, variance, coefficient of variation, and sigma intervals

Calculate the harmonic mean of positive values, with optional arithmetic and geometric mean comparison

Calculate a trimmed mean by removing the same percentage of low and high values before averaging

Calculate sample variance, population variance, and optional standard deviation for a numeric dataset

Calculate a winsorized mean by capping extreme low and high values before averaging

Calculate the geometric mean of positive numeric values for growth rates, ratios, and multiplicative datasets

Calculate a weighted average from paired values and weights, with contribution and normalized weight details

Compare arithmetic, geometric, and harmonic averages for a numeric dataset in one place