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.

The tool allows you to find the z-value using the row score or data point, sample mean and size, and a data sample. After selecting the calculation method, input all the required values based on the …

Jan 8, 2021 · My goal with this site is to help you learn statistics through using simple terms, plenty of real-world examples, and helpful illustrations. This calculator finds the standardized z-score for any …

Use this simple z-Score calculator. Solve for probability, percentile and standard normal distribution curve area. Enter to learn with graphs and plots.

Jul 12, 2025 · The Z-score indicates how many standard deviations an element is from the mean. Z-Score Formula To calculate the z- score for any given data we need the value of the element along …

Use Z Score Calculator to find the z scores of raw scores with population mean and standard deviation.

A z-score (also called a standard score) gives you an idea of how far from the mean a data point is. More technically, it’s a measure of how many standard deviations below or above the population …

Nov 4, 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 simple calculator allows you to calculate a standardized z -score for any raw value of X. Just enter your raw score, population mean and standard deviation, and hit "Calculate Z".

Use this Z table calculator to easily calculate the Z-score from a given raw score. Also computes areas under the normal curve (p -values) cut off by a given score.