Math & Calculators Tools
Scientific, algebra, geometry, statistics
Percentage Calculator
Free online percentage calculator. Calculate percentages, increases, decreases. Accurate and easy to use.
Scientific Calculator
Free online scientific calculator. Full-featured scientific calculator. Accurate and easy to use.
Age Calculator
Free online age calculator. Calculate exact age in years/months/days. Accurate and easy to use.
Date Difference
Free online date difference. Calculate days between two dates. Accurate and easy to use.
BMI Calculator
Free online bmi calculator. Body Mass Index with categories. Accurate and easy to use.
BMR Calculator
Free online bmr calculator. Basal Metabolic Rate calculator. Accurate and easy to use.
Loan Calculator
Free online loan calculator. Monthly payment and total interest. Accurate and easy to use.
Tip Calculator
Free online tip calculator. Tip amount per person splitter. Accurate and easy to use.
Discount Calculator
Free online discount calculator. Calculate savings and final price. Accurate and easy to use.
Random Number Generator
Free online random number generator. Generate random numbers in range. Accurate and easy to use.
Number to Words
Free online number to words. Convert numbers to English words. Accurate and easy to use.
Roman Numeral Converter
Free online roman numeral converter. Convert between numbers and Roman numerals. Accurate and easy to use.
Binary Converter
Free online binary converter. Convert to/from binary (base-2). Accurate and easy to use.
Hexadecimal Converter
Free online hexadecimal converter. Convert to/from hex (base-16). Accurate and easy to use.
Algebra Equation Solver
Free online algebra equation solver. Solve linear/quadratic equations with steps. Accurate and easy to use.
Matrix Calculator
Free online matrix calculator. Add, multiply, transpose, determinant. Accurate and easy to use.
Fraction Calculator
Free online fraction calculator. Add, subtract, multiply, divide, simplify fractions. Accurate and easy to use.
Prime Number Checker
Free online prime number checker. Check primality and find prime factors. Accurate and easy to use.
GCD/LCM Calculator
Free online gcd/lcm calculator. Greatest common divisor and least common multiple. Accurate and easy to use.
Permutation & Combination
Free online permutation & combination. Calculate nPr and nCr with factorial detail. Accurate and easy to use.
Logarithm Calculator
Free online logarithm calculator. Natural log, log base 10, custom base. Accurate and easy to use.
Exponent & Root Calculator
Free online exponent & root calculator. Powers, squares, cubes, nth roots. Accurate and easy to use.
Modulo Calculator
Free online modulo calculator. Compute mod/remainder with explanation. Accurate and easy to use.
Golden Ratio Calculator
Free online golden ratio calculator. Golden ratio computations and sequences. Accurate and easy to use.
Pythagorean Theorem
Free online pythagorean theorem. Solve a² + b² = c² with all variations. Accurate and easy to use.
Circle Calculator
Free online circle calculator. Area, circumference, diameter from radius. Accurate and easy to use.
Triangle Solver
Free online triangle solver. All triangle parameters (sides, angles, area). Accurate and easy to use.
3D Volume Calculator
Free online 3d volume calculator. Volume of spheres, cones, cylinders, cubes. Accurate and easy to use.
Surface Area Calculator
Free online surface area calculator. Surface area of common 3D shapes. Accurate and easy to use.
Number Sequence Generator
Free online number sequence generator. Arithmetic, geometric, Fibonacci sequences. Accurate and easy to use.
Number Speller
Free online number speller. Spell any number in English. Accurate and easy to use.
Rounding Calculator
Free online rounding calculator. Round numbers to N decimal places. Accurate and easy to use.
Significant Figures
Free online significant figures. Calculate with significant figures. Accurate and easy to use.
Love Calculator
Free online love calculator. Fun name-based compatibility %. Accurate and easy to use.
Chinese Zodiac Finder
Free online chinese zodiac finder. Find Chinese zodiac sign by birth year. Accurate and easy to use.
Zodiac Sign Finder
Free online zodiac sign finder. Find Western zodiac sign by birthday. Accurate and easy to use.
Numerology Calculator
Free online numerology calculator. Life path, destiny, soul urge numbers. Accurate and easy to use.
Random Picker
Free online random picker. Pick random item from a list. Accurate and easy to use.
Random Team Generator
Free online random team generator. Split list into random teams. Accurate and easy to use.
Random Winner Picker
Free online random winner picker. Draw contest/raffle winners. Accurate and easy to use.
Unit Circle Calculator
Free online unit circle calculator. Trig values for unit circle angles. Accurate and easy to use.
Decimal to Fraction
Free online decimal to fraction. Convert decimals to simplified fractions. Accurate and easy to use.
Factor Finder
Free online factor finder. Find all factors of a number. Accurate and easy to use.
Multiplication Table
Free online multiplication table. Generate multiplication tables. Accurate and easy to use.
Mean Median Mode Calculator
Free online mean median mode calculator. Calculate mean, median, mode, range. Accurate and easy to use.
Complex Number Calculator
Free online complex number calculator. Add, multiply, conjugate complex numbers. Accurate and easy to use.
Percentage Change Calculator
Free online percentage change calculator. Calculate % increase/decrease between values. Accurate and easy to use.