Free Math Tools

Math & Science Calculators

24 powerful, free math tools — from basic arithmetic to algebra, geometry, statistics, and beyond. Instant results, no sign-up needed.

24Math Tools

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∞Uses

⭐ Featured Tool

🔥 Most Used

Scientific Calculator

Full-featured — supports trig, log, power, roots, constants & more

Supports: trig functions, logarithms, powers, roots, factorials, π and e

Most Popular Math Tools

⭐ Top Picks

Percentage Calculator 🔥 Top

Find percentages, percentage change, and what % one number is of another.

Value

% of

Enter values above →

Full Percentage Calculator

Fraction Calculator

Add, subtract, multiply, and divide fractions. Simplify results automatically.

Numerator 1

Denominator 1

Num 2

Den 2

Enter fractions above →

Full Fraction Calculator

Random Number Generator

Generate random numbers in any range. Supports multiple numbers at once.

Min

Max

Count

Click Generate →

Full Generator

Standard Deviation

Calculate mean, median, mode, variance, and standard deviation from a dataset.

Numbers (comma-separated)

Enter numbers above →

Full Statistics Calculator

Area Calculator Multi-Shape

Calculate area of circle, rectangle, triangle, trapezoid, and more shapes.

Shape

Radius

Select shape & enter values →

Full Geometry Calculator

Triangle Calculator

Find missing sides, angles, area, and perimeter of any triangle.

Right Triangle — find hypotenuse

Side a

Side b

Enter sides a and b →

Full Triangle Calculator

Algebra & Advanced Tools

📐 Algebra

Quadratic Equation Solver ✨ New

Solve ax² + bx + c = 0. Returns real and complex roots with step-by-step solution.

ax² + bx + c = 0

Enter coefficients →

Full Algebra Calculator

Prime Number Checker

Check if a number is prime. Find prime factors & list primes in a range.

Number to check

Enter a number →

Full Prime Number Tools

GCD & LCM Calculator

Find the Greatest Common Divisor and Least Common Multiple of two or more numbers.

Number 1

Number 2

Enter two numbers →

Full GCD/LCM Calculator

Exponent & Power Calculator

Calculate base to the power of exponent. Supports large numbers and negative exponents.

Base

Exponent

Enter base & exponent →

Full Exponent Calculator

Logarithm Calculator

Calculate log base 10, natural log (ln), or any custom base logarithm.

Number (x)

Base

Enter number & base →

Full Logarithm Calculator

Matrix Calculator Advanced

Add, subtract, multiply matrices. Find determinant, inverse, and transpose.

2×2 Matrix Determinant

det = ad − bc

Full Matrix Calculator

Statistics & Number Tools

📊 Stats

Average Calculator

Find mean, weighted average, geometric mean, and harmonic mean instantly.

Numbers (comma-separated)

Enter numbers →

Full Average Calculator

Factorial Calculator

Compute n! for any integer. Also supports combinations (nCr) and permutations (nPr).

n (number)

Enter n →

Full Factorial Calculator

Combination & Permutation

Calculate nCr (combinations) and nPr (permutations) for probability problems.

n (total)

r (choose)

Enter n and r →

Full Calculator

Ratio Calculator

Simplify ratios and solve proportions. Find the missing value in A:B = C:D.

A : B = C : ?

Enter A, B and C →

Full Ratio Calculator

About Tooll.Live Math Tools

Our math tool suite covers everything from everyday calculations to advanced academic problems. Whether you're a student solving homework, a teacher preparing lesson materials, or a professional needing quick calculations — all 24 tools work instantly in your browser with no downloads or accounts required.

Every tool is built to handle edge cases accurately: fractions are auto-simplified, quadratic equations return both real and complex roots, and the scientific calculator supports chained expressions with correct order of operations.

All tools are completely free, work on all devices, and are updated regularly. Found a bug or want a new tool? Contact us anytime.