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.

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.

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 to use the …

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

Oct 28, 2025 · Calculate z-scores, convert between z-scores and percentiles, and interpret standard scores. Free advanced calculator with formulas, examples, and detailed explanations.

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

Use two interactive Z-score calculators to find the Z-score and to calculate the probabilities associated with it.

Calculate z-scores effortlessly with our user-friendly tool. Understand your data distribution and make informed decisions easily!

Jan 3, 2025 · Welcome to our Z-Score Calculator, a convenient way to calculate the standardized value (z-score) of a specific data point. This tool is perfect for students, teachers, statisticians, and anyone …

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.