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.

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

Normal distribution calculator finds probability, given z-score; and vice versa. Fast, easy, accurate. Online statistical table. Sample problems and solutions.

Free online z-score calculator with normal distribution visualization. Calculate z-scores from raw values, find values from z-scores, and look up probabilities.

Calculate probabilities, percentiles, and z-scores for the normal distribution. Enter the mean, standard deviation, and the value (s) of interest to compute probabilities and visualize the …

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

Enter your raw score, mean, and standard deviation below to see the Z-score and visualize it on a normal distribution curve in real-time. The raw score is 1.00 standard deviations above the …

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.

normal distribution mean and standard deviation. You can check this tool by using the standard normal distribution calculator as well. If you input the mean, μ, as 0 and standard deviation, σ, …