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.

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.

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

Z-Score Formula Z = (Your Score - Average) ÷ Standard Deviation Don't worry about the math - the calculator handles everything! Let's breakdown the formula: Your Score (X): The actual number you …

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

Online z-score calculator: enter raw score, population mean and standard deviation to find how many standard deviations a value is from the mean. Instant and accurate results.

Z-Score calculator is a free online tool to calculate Z-Score The first way（Given the mean value and standard tolerance）：

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. Read on …

Z-Score Calculator — Calculate z-scores (standard scores) with detailed step-by-step solutions, normal distribution visualization, and probability calculations. Convert between raw scores, z-scores, and …