Math & Statistics Calculators

Math and Statistics Calculators for Algebra, Geometry, Probability and Data

Use these free math and statistics calculators to solve percentages, exponents, roots, logarithms, matrices, geometry, probability, confidence intervals, z-scores, percentiles, regression, and number conversions.

Browse Math Calculators by Topic

General Math

Quick calculators for common arithmetic, algebra, powers, roots, percentages, primes, and equations.

Statistics and Probability

Analyze samples, distributions, uncertainty, relationships, and common statistical results.

Data, Regression and School Tools

Use these pages for linear relationships, interpolation, GPA planning, matrices, and correlation.

Geometry and Number Converters

Calculate shapes, compare geometry formulas, and convert between common number systems.

How to Choose the Right Math Tool

Start with the type of problem: algebra, geometry, number conversion, statistics, probability, or data analysis.
Use the calculator to get the result, then read the formula notes on the calculator page to understand the method.
For statistics, check sample size, units, and whether the result is a sample estimate or a population value.
For schoolwork, use the result to verify your work rather than replacing the steps your instructor expects.

Tip: if you are working with data, combine Statistics Calculator, Standard Deviation Calculator, Z-Score Calculator, Confidence Interval Calculator, and Linear Regression Calculator for a more complete view.

Popular Math Calculator Paths

Statistics Workflow

Summarize data, measure spread, convert to z-scores, and estimate uncertainty.

Algebra and Equations

Work with exponents, roots, logarithms, and quadratic equations.

Geometry Workflow

Calculate area, perimeter, sides, diagonals, and shape formulas.

Math & Statistics Calculators FAQ

Are these math calculators free?

Yes. The math and statistics calculators are free to use and work directly in the browser.

Which calculator should I use for statistics homework?

Start with the Statistics Calculator for summary values, then use Standard Deviation, Z-Score, Confidence Interval, Probability, Percentile, Correlation, or Linear Regression based on the specific question.

Can I use these calculators to check formulas?

Yes. Many calculator pages include formula notes, examples, or interpretation tips so you can compare the result with manual work.

What is the difference between statistics and probability?

Probability usually starts with a model to estimate the chance of an event. Statistics usually starts with data to summarize, estimate, compare, or model real observations.

Do these calculators replace learning the steps?

No. They are best for checking answers, exploring examples, and understanding results. For classwork, always follow your instructor’s required method.