StatCalc.net - Statistics Calculator

StatCalc.net: Online Statistics Calculators With Step-by-Step Solutions

Find the right statistics calculator for your problem using our free collection of online statistics calculators. Calculate p-values, critical values, sample sizes, probabilities, z-scores, descriptive statistics, and more, with formulas and clear step-by-step solutions.

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Calculator Topics

Basic Statistics Hypothesis Test Normal Distribution Sample Size

Jump to a topic section below, then open the exact calculator you need.

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All-in-One Calculator

Looking for an All-in-One Statistics Calculator?

Use our descriptive statistics calculator to enter one-variable or paired data and calculate the mean, median, mode, quartiles, variance, standard deviation, covariance, correlation, and other summary statistics.

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Which Statistics Calculator Should I Use?

Choose a calculator category based on the type of statistics problem you need to solve.

30 calculators Basic Statistics Explore our basic statistics calculators for finding averages, measures of spread, data positions, standard errors, covariance, and other foundational statistics. Choose the tool that...
18 calculators Hypothesis Test Explore calculators and tools in this topic with clear results and step-by-step solutions.
8 calculators Normal Distribution Explore calculators and tools in this topic with clear results and step-by-step solutions.
3 calculators Sample Size Explore calculators and tools in this topic with clear results and step-by-step solutions.
5 tables Statistical Tables Explore our free interactive statistical tables for finding probabilities and critical values used in common statistical tests and distributions. Choose from the z table,...

All Calculators

Browse every calculator on StatCalc.net, grouped by topic so you can find the right tool faster.

29 calculators

Basic Statistics

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5 Number Summary Calculator Arithmetic Mean Calculator Average Calculator Coefficient of Variation Calculator Covariance Calculator Geometric Mean Calculator Grouped Data Mean Calculator Harmonic Mean Calculator Interquartile Range Calculator Kurtosis Calculator Lower and Upper Fence Calculator Mean Absolute Deviation Calculator Mean Calculator Mean, Median, Mode Calculator Median Absolute Deviation Calculator Median Calculator Midrange Calculator Mode Calculator Pooled Standard Deviation Calculator Pooled Variance Calculator Quartile Calculator Range Calculator Skewness Calculator Standard Deviation Calculator Standard Error Calculator Standard Error of Proportion Calculator Sum of Squares Calculator Variance Calculator Weighted Mean Calculator
18 calculators

Hypothesis Test

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Chi-square (χ²) Critical Value Calculator Chi-Square Goodness of Fit Calculator Chi-Square Test Calculator Correlation r Critical Value Calculator Degrees of Freedom Calculator F Test Calculator F-Critical Value Calculator One Proportion Z Test Calculator One-Sample T-test Calculator One-Sample Z-Test Calculator P Value Calculator Paired T Test Calculator T Critical Value Calculator Two Proportion Z Test Calculator Two Sample T Test Calculator Two Sample Z Test Calculator Welch’s T Test Calculator Z Critical Value Calculator
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Frequently Asked Questions

Learn more about StatCalc.net and how our online statistics calculators help you calculate, understand, and explain statistical results.

StatCalc.net is a free online platform with a growing collection of statistics calculators. It helps you solve common statistics problems, including z-scores, p-values, probabilities, critical values, sample sizes, descriptive statistics, and more.

Yes. StatCalc.net can help you check statistics homework, verify calculations, and understand how answers are obtained. Many calculators show step-by-step solutions, making them useful for learning the manual method behind each result.

Yes. The statistics calculators on StatCalc.net are free to use. You can enter your values, calculate results, and view the available step-by-step solutions without paying.

Yes. Many StatCalc.net calculators show clear step-by-step solutions. Where possible, each calculator identifies the values entered, applies the correct formula, substitutes your values, solves the problem, and gives a short interpretation of the result.

Yes. Many calculators include an option to copy the step-by-step explanation. This makes it easier to review your work, save the solution, or use the steps as a guide when learning how to solve the problem manually.

StatCalc.net is useful for students, researchers, teachers, and data users. Students can use it to check homework and learn formulas, while researchers and data users can use it to verify common statistical results.