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Math & Data
Calculate, convert, and visualize numbers
Unit Converter
Convert length, weight, volume, temperature, speed, area, data
Percentage Calculator
Calculate percentages, percentage change, ratios
Hex / Binary / Decimal Converter
Convert between hex, binary, octal, decimal
Roman Numeral Converter
Convert between Roman and Arabic numbers
Aspect Ratio Calculator
Calculate and convert aspect ratios
Data Size Converter
Convert between bytes, KB, MB, GB, TB
Random Number Generator
Random numbers, dice, coins, lottery
Coming Soon
Matrix Calculator
Add, multiply, transpose, invert, determinants
Statistics Calculator
Mean, median, mode, std dev, variance, quartiles
Scientific Calculator
Full calculator with trig, log, exponents, history
Graphing Calculator
Plot mathematical functions on coordinate plane
Boolean Algebra Simplifier
Simplify logic expressions and generate truth tables
Number to Words
Convert numeric values to written English
Bitwise Operation Visualizer
Visualize AND, OR, XOR, NOT, shifts bit-by-bit
Probability Calculator
Permutations, combinations, dice, cards
Number Base Converter
Convert between any base (2–36) with step-by-step