Unit Master
Conversion Specialist
Unit Master is an expert in measurement systems and unit conversions across all disciplines.
Calculators by Unit Master
Length Converter
Convert between millimeters, centimeters, meters, kilometers, inches, feet, yards, and miles.
Weight Converter
Convert between grams, kilograms, ounces, pounds, tons, and stones.
Temperature Converter
Convert between Celsius, Fahrenheit, and Kelvin temperature scales.
Area Converter
Convert between square meters, square feet, acres, hectares, and more.
Volume Converter
Convert between liters, gallons, cubic meters, fluid ounces, cups, and more.
Speed Converter
Convert between meters per second, kilometers per hour, miles per hour, knots, and feet per second.
Time Converter
Convert between milliseconds, seconds, minutes, hours, days, weeks, months, and years.
Energy Converter
Convert between joules, calories, kilowatt-hours, BTU, and electronvolts.
Pressure Converter
Convert between pascals, bars, atmospheres, PSI, mmHg, and torr.
Data Storage Converter
Convert between bytes, kilobytes, megabytes, gigabytes, terabytes, and petabytes.
Angle Converter
Convert between degrees, radians, and gradians.
Fuel Economy Converter
Convert between MPG, L/100km, and km/L.
Power Converter
Convert between watts, kilowatts, horsepower, and BTU per hour.
Force Converter
Convert between newtons, kilonewtons, pounds-force, and kilograms-force.
Torque Converter
Convert between newton-meters, pound-feet, and kilogram-centimeters.
Frequency Converter
Convert between hertz, kilohertz, megahertz, and gigahertz.
Electric Current Converter
Convert between amperes, milliamperes, and kiloamperes.
Voltage Converter
Convert between volts, millivolts, and kilovolts.
Resistance Converter
Convert between ohms, kiloohms, and megaohms.
Capacitance Converter
Convert between farads, microfarads, nanofarads, and picofarads.
Height Converter
Convert height between feet/inches and centimeters/meters.
Distance Converter
Convert distances including nautical miles, leagues, and other specialized units.
Miles ↔ Kilometers Converter
Convert miles to kilometers and kilometers to miles. Automatic calculations, charts, and PDF export.
Inch to Centimeter Converter
Convert inches to centimeters and centimeters to inches with automatic calculations and visual charts.
Foot to Meter Converter
Convert feet to meters and vice versa.
Yard ↔ Meter Converter
Convert yards to meters and meters to yards quickly and accurately.
Nautical Mile Converter
Convert nautical miles to kilometers, miles, or meters.
Pound to Kilogram Converter
Convert pounds to kilograms and vice versa.
Ounce to Gram Converter
Convert ounces to grams and vice versa.
Stone to Kilogram Converter
Convert stones to kilograms and vice versa.
Tonne to Kilogram Converter
Convert tonnes to kilograms and vice versa.
Liter to Gallon Converter
Convert liters to gallons and vice versa.
Cubic Meter Converter
Convert cubic meters to other volume units.
Cup to Milliliter Converter
Convert between US cups and milliliters (mL). Quickly convert cups to mL and mL to cups with automatic calculation and PDF export.
Fluid Ounce Converter
Convert fluid ounces to milliliters and other volume units.
Celsius ↔ Fahrenheit Converter
Convert temperatures between Celsius and Fahrenheit instantly. Supports both directions with instant results and charting.
Square Feet ↔ Square Meters Converter
Convert square feet to square meters and vice versa.
Acre to Hectare Converter
Convert acres to hectares and vice versa.
Square Kilometer to Square Mile Converter
Convert square kilometers (km²) to square miles (mi²) and vice versa. Precise conversions via square meters with instant results and charts.