Calculator to find out the z-score of a normal distribution, convert between z-score and probability, and find the probability between 2 z-scores.

Aug 1, 2025 · Z-score calculator computes a standardized z-score for any raw data point x. Enter population mean and standard deviation for a given normal distribution.

This online calculator computes the standard score of a raw score from the given mean of the population and the standard deviation of the population. This is a small calculator to compute …

The Standard Score Calculator is a free online tool for calculating z-scores and standard scores from raw data. Simply enter the mean, standard deviation, and individual score, and the …

You can use this Z-Score Calculator to calculate the standard normal score (z-score) based on the raw score value, the population mean, and the standard deviation of the population. How …

Z-Score Calculator Reviewed by: Stephanie Ben-Joseph Standardize a data point by subtracting the mean and scaling by the standard deviation. The calculator also estimates the percentile …

Free Z-Score Calculator: Compute standardized scores instantly. Enter raw data, mean & SD. Get step-by-step results + probability interpretation. No signup required.

Easily calculate the z-score from a raw score, population mean, and standard deviation with our free online Z-Score Calculator. Essential for statistical analysis.

Z-score, otherwise known as the standard score, is the number of standard deviations by which a data point is above the mean. You can use our z-score calculator to determine this value for you.

Just enter your raw score, population mean and standard deviation, and hit "Calculate Z". Note: If you already know the value of z, and want to calculate p, this calculator will do the job.