📐 Free Online Math Tools
Free online math tools and calculators. Solve equations, convert units, calculate areas and volumes. Accurate and fast.
22 free toolsHow to Use These Tools
- Choose a tool from the list above that matches your needs.
- Click "Use Now" to open the tool in a new page.
- Follow the tool-specific instructions to process your data.
- Copy or download the results — all processing happens in your browser!
Area Calculator
Calculate area for circle, triangle, rectangle, square, parallelogram, trapezoid, ellipse, and regular polygon shapes. Multiple units, client-side onl
Use Now →Circle Calculator
Free online circle calculator. Enter radius, diameter, circumference, or area to calculate all values. Shows formulas and calculations. Essential geom
Use Now →Factorial Calculator
Free online factorial calculator. Compute n! factorial, permutations P(n,r), and combinations C(n,r). Supports large number arithmetic.
Use Now →Fibonacci Generator
Free online Fibonacci number generator. Generate sequences with custom starting values. Shows golden ratio convergence.
Use Now →LCM & GCD Calculator
Free online LCM and GCD calculator. Find the least common multiple and greatest common divisor of numbers. Shows steps.
Use Now →LaTeX Equation Editor
Free online LaTeX equation editor with real-time KaTeX rendering. Write LaTeX math syntax and preview instantly. Supports matrices, calculus, Greek le
Use Now →Logarithm Calculator
Free online logarithm calculator. Compute logarithms with any base. Supports natural log ln, log₂, log₁₀. With antilog verification.
Use Now →Math Equation Solver
Free online math equation solver. Solve linear, quadratic equations and systems of equations. Step-by-step solutions shown. Pure client-side computati
Use Now →Matrix Calculator
Free online matrix calculator for 2x2, 3x3, 4x4 matrices. Add, subtract, multiply, transpose, inverse, determinant. Real-time results.
Use Now →Number to Roman Numeral Converter
Free online number to Roman numeral converter. Convert Arabic numbers (1-3999) t...
Use Now →Prime Number Checker
Free online prime number checker. Check if any number is prime, find prime factors, generate prime number ranges. Client-side only.
Use Now →Probability Calculator
Free online probability calculator for coin flips, dice rolls, combinations, and more. Real-time fraction and percentage results. Perfect for students
Use Now →Quadratic Equation Solver
Free online quadratic equation solver. Solve ax²+bx+c=0 with step-by-step solutions. Shows discriminant, roots, vertex.
Use Now →Rounding Calculator
Free online rounding calculator. Round numbers to any decimal places with standard rounding, ceiling, floor, and truncation.
Use Now →Statistics Calculator - Mean, Median, Mode, SD
Free online statistics calculator. Compute mean, median, mode, variance, standard deviation, quartiles, range, skewness and kurtosis for your data set
Use Now →Triangle Calculator
Free online triangle calculator. Supports SSS, SAS, ASA, AAS, and right triangle modes. Calculate side lengths, angles, area, and perimeter automatica
Use Now →Trigonometry Calculator
Free online trigonometry calculator. Compute sin, cos, tan, csc, sec, and cot. Supports degrees and radians.
Use Now →Volume Calculator
Calculate volume for sphere, cube, cuboid, cylinder, cone, frustum, and prism shapes. Multiple units, pure client-side calculation.
Use Now →Z-Score Calculator
Free online Z-score calculator. Compute Z-scores and normal distribution probabilities. Pure frontend, no upload.
Use Now →📊 Mean Median Mode Calculator
Free online mean median mode calculator. Enter a set of numbers to quickly ca...
Use Now →📦 Surface Area Calculator
Free online surface area calculator. Calculate surface area of cube, sphere, ...
Use Now →🧮 Significant Figures Calculator
Free online significant figures calculator (sig fig calculator). Count signif...
Use Now →Frequently Asked Questions
What mathematical operations are supported?
Our math tools cover arithmetic, algebra, geometry, trigonometry, statistics, and number theory. From basic calculators to advanced equation solvers.
How precise are the calculations?
Calculations use JavaScript's IEEE 754 double-precision (64-bit) arithmetic, providing about 15-17 significant decimal digits of precision.