23 unit converters
Every tool here is free and needs no account.
Currency Converter
Convert currencies across 160+ world currencies (USD, EUR, INR, GBP, JPY) at the latest published daily rates
Length Converter
Convert between meters, kilometers, miles, yards, feet, inches, centimeters, and millimeters
Weight Converter
Convert between kilograms, grams, pounds (lbs), ounces (oz), metric tons, and stones
Temperature Converter (Celsius, Fahrenheit, Kelvin)
Convert temperatures between Celsius (°C), Fahrenheit (°F), and Kelvin (K) with instant formula display
Area Converter
Convert land and surface areas between square meters, square feet, acres, hectares, and square yards
Volume Converter
Convert liquids and volumes between liters, milliliters, US gallons, fluid ounces, cups, and cubic meters
Speed Converter
Convert speeds between kilometers per hour (km/h), miles per hour (mph), knots, and meters per second (m/s)
Time Converter
Convert time between milliseconds, seconds, minutes, hours, days, weeks, and calendar years
Pressure Converter
Convert pressure units between PSI, Bar, Pascals (Pa), Kilopascals (kPa), and Atmospheres (atm)
Energy Converter
Convert between Joules (J), Kilojoules (kJ), Kilowatt-hours (kWh), Food Calories (kcal), and BTUs
Power Converter
Convert power ratings between Watts (W), Kilowatts (kW), Metric Horsepower (PS), and Mechanical HP
Data Storage Converter
Convert between Bytes, Kilobytes (KB), Megabytes (MB), Gigabytes (GB), Terabytes (TB), and Bits
Binary Converter
Convert a binary number of 0s and 1s into its decimal, octal and hexadecimal value
Decimal Converter
Convert standard decimal numbers (Base 10) into Binary (Base 2), Hexadecimal (Base 16), and Octal (Base 8)
Hexadecimal Converter
Convert a hexadecimal number, with or without the 0x prefix, into decimal, octal and binary
Octal Converter
Convert Base-8 octal numbers, chmod values included, into decimal, binary and hexadecimal
Roman Numerals Converter
Convert Arabic numbers to Roman numerals and translate Roman numerals to numbers
Angle Converter
Convert angles between degrees, radians, gradians, arcminutes, and turns
Fuel Economy Converter
Convert fuel efficiency between MPG (US), MPG (UK), L/100km, and km/L
Torque Unit Converter (Nm, ft-lb, in-lb)
Convert rotational torque between Newton-metres, foot-pounds, inch-pounds, and kgf-m
International Shoe Size Converter
Convert international shoe sizes between US Men, US Women, UK, EU, and foot length in cm
Cooking & Recipe Measurement Converter
Convert kitchen recipe measurements between cups, tablespoons, teaspoons, ml, and fluid ounces
Data Transfer Rate & Download Time Calculator
Calculate download and upload times from file size and internet connection bandwidth speed