Number & Math

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Base Converter

Convert binary/octal/hex numbers HOT 💯

Number Formatter

Add thousands separators & decimals 📊

Percentage Calculator

Calculate percentage increase/decrease ⚖

BMI Calculator

Calculate BMI from height & weight 🎲

Random Number Generator

Generate random numbers in range ⚡

Bitwise Calculator

AND/OR/XOR/NOT bitwise operations 📐

Ratio Calculator

Calculate proportional scaling 🔢

Prime Number Checker

Check if a number is prime 🌀

Fibonacci Sequence

Generate Fibonacci sequence 🔢

Factorial Calculator

Calculate large integer factorials 💰

Loan Calculator

Calculate monthly payments & interest 💵

Tip Calculator

Calculate tip amount and split 🔢

Scientific Notation Converter

Convert scientific notation 📐

Matrix Calculator

Matrix operations and determinants 🔢

Complex Number Calculator

Complex number arithmetic Ⅻ

Roman Numeral Converter

Convert Arabic/Roman numerals 📐

Angle Converter

Convert degrees, radians, gradians 🏷

Discount Calculator

Calculate discount price & savings HOT ⚡

Electricity Bill Calculator

Calculate electricity bill by usage 📊

Percentage Change Calculator

Calculate percent change between values ➗

Ratio Simplifier

Simplify ratios to lowest terms 📊

Weighted Average Calculator

Calculate weighted average value 👥

Split Bill Calculator

Split bill with tip among people 🎨

Paint Calculator

Calculate paint needed for walls 🏗

Concrete Calculator

Calculate concrete volume needed ⛽

Fuel Cost Calculator

Calculate trip fuel cost HOT 🎂

Exact Age Calculator

Calculate exact age in days/hours