Math
Unit converters, equation solvers, statistics tools, matrix operations, and general math utilities.
Free online math calculators and tools — scientific calculator, fraction calculator, matrix operations, statistics, geometry, trigonometry, calculus, percentage and probability tools. Every calculation runs in your browser with full precision. No signup, no ads in results, no usage limits — solve any math problem instantly online.
14 tools · always free · no account needed
Unit Converter
Convert length, weight, temperature, volume, and more
Percentage Calculator
Calculate percentages, increases, and decreases
Age Calculator
Calculate exact age from birthdate
BMI Calculator
Calculate Body Mass Index with visual scale
Loan Calculator
Monthly payments and amortization schedule
Compound Interest
Calculate future value with compound interest
Tip Calculator
Split bills and calculate tips
Number to Words
Convert numbers to English words
Roman Numerals
Convert between Arabic and Roman numerals
IP Subnet Calculator
Calculate CIDR ranges, subnet masks, usable hosts
Statistics Calculator
Mean, median, mode, standard deviation
Matrix Calculator
Add, multiply, transpose, and invert matrices
Number Base Converter
Convert between binary, decimal, hex, and octal
Function Plotter
Plot 2D math functions on a graph