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Math Tools
Solve fractions, ratios, primes, quadratics and statistics problems. Each calculator shows the method so you can follow the working, not just the answer.
1–24 of 68 tools
Browse categories →Most searched in Math Tools
Average Calculator
Calculate count, sum, mean, minimum and maximum from a list of numbers.
Circle Area Calculator
Circle Area Calculator for practical everyday workflows. Enter the requested values to get a clear result.
Circle Circumference Calculator
Circle Circumference Calculator for practical everyday workflows. Enter the requested values to get a clear result.
Coefficient of Variation Calculator
Coefficient Of Variation Calculator for practical everyday workflows. Enter the requested values to get a clear result.
Coin Flip
Flip a fair virtual coin once or many times and see the heads and tails count.
Combination Calculator
Count unordered selections nCr of r items chosen from n.
Cone Volume Calculator
Cone Volume Calculator for practical everyday workflows. Enter the requested values to get a clear result.
Correlation Coefficient Calculator
Correlation Coefficient Calculator for practical everyday workflows. Enter the requested values to get a clear result.
Covariance Calculator
Covariance Calculator for practical everyday workflows. Enter the requested values to get a clear result.
Cube Root Calculator
Find the cube root of any number, including negative numbers and simplified radicals.
Cylinder Volume Calculator
Cylinder Volume Calculator for practical everyday workflows. Enter the requested values to get a clear result.
Decimal to Fraction Calculator
Convert a decimal to a simplified fraction and mixed number.
Decimal to Percentage Calculator
Convert a decimal number to a percentage.
Dice Roller
Roll one or more dice (d4, d6, d8, d10, d12, d20, d100) with an optional modifier.
Distance Between Points Calculator
Distance Between Points Calculator for practical everyday workflows. Enter the requested values to get a clear result.
Exponent Calculator
Calculate a number raised to any power, including negative and fractional exponents.
Factorial Calculator
Calculate n! exactly for whole numbers up to 1,000.
Fraction Calculator
Add, subtract, multiply and divide fractions and mixed numbers, with the answer simplified.
Fraction Simplifier
Fraction Simplifier for practical everyday workflows. Enter the requested values to get a clear result.
Fraction to Decimal Calculator
Convert a fraction or mixed number to a decimal and percentage, showing repeating digits.
Fraction to Percentage Calculator
Convert a fraction into a percentage.
GCF Calculator
Find the greatest common factor (GCF), also called the greatest common divisor (GCD) or highest common factor (HCF), of two or more whole numbers.
Geometric Mean Calculator
Geometric Mean Calculator for practical everyday workflows. Enter the requested values to get a clear result.
Harmonic Mean Calculator
Harmonic Mean Calculator for practical everyday workflows. Enter the requested values to get a clear result.
About Math Tools
This collection has 68 ready-to-use tools for math tools. Every tool runs in your browser, so the numbers you type are not sent to a server. Each page explains what to enter, shows the formula or method behind the result, and gives worked examples you can compare against your own figures.
Results are estimates for planning and comparison. Where rates, thresholds or rules change from year to year, the tool page states the tax year or assumptions it uses. Check them against an official source before you file, pay or sign anything.
Popular here: Average Calculator, Ratio Simplifier, Random Number Generator, Prime Factorization Calculator, Weighted Average Score Calculator, Median Calculator, Range of Numbers Calculator, Mean Calculator.
Math Tools FAQ
Do the maths calculators show the working?
Each page explains the method and gives worked examples you can follow step by step.
Can I use these for homework?
Yes, they are useful for checking answers. Work the problem yourself first, then compare it with the result and the worked example.
Are results rounded?
Some results are rounded for display. The page notes where rounding applies.