Metric and Imperial Unit Converters and Conversion Tables

Measurement conversion charts and converters for metric, imperial and United States Customary systems. Includes from everyday use to scientific calculators, thousands of units, definitions, abbreviations and formulas.

Besides the conversion calculators and conversion tables, you may also create your own conversion tables.

Metric and imperial area units, acre, hectare, square meter, square feet
Cooking measurement units, teaspoons, tablespoon, cups, pints, quarts, mL
Metric and imperial length units such as meter, centimeter, inch, foot, yard, km, mile
Pressure units, bar, pascal, kpa, psi, atm, torr (mmHg)
Celsius, fahrenheit, kelvin, reaumur and rankine
Men's and women's clothing, shoes and ring size conversions
Metric and imperial weight conversions for pound, kilogram, gram, ounce, carat, ton
Metric and imperial volume conversions for liter, gallon, cup, quart, ounce, cubic meter, cubic feet
In Alphebetical Order:
Foot/square second, kilometer/hour second, meter/square second, mile/hour minute
Base number conversions from base 2 to base 36, including binary, octal, decimal
Calorific units, btu/cubic foot, joule/cubic meter, therm/cubic foot
Circular and angle units, radian, degree, grade, minute, second, circumference
Currency conversions for all countries, updated daily
Data transfer units, adsl, modem, usb, ethernet, fiber optics and other several networking devices
Date and time conversions for second, millisecond, minute, hour, day, week, month, year, century
Gram/cubic millimeter, kilogram/liter, ounce/cubic foot, pound/gallon
Digital storage units, bit, byte, megabyte, gigabyte, terabyte, exabyte
Electrical conversions, resistance, capacitance, conductance, current, charge
Energy and work units, btu, calorie, joule, kilojoule, newton meter, kilowatt hour
Flow mass, flow volume and molar units.
Force units, dyne, gram force, kilogram force, kilonewton, newton, ounce and pound force
Hertz, kilohertz, radian hour, degree second, revolution minute
Fuel economy conversions within and between the North American and European metrics
Heat transfer coefficient, heat capacity and flux density units.
Illumination, luminance, luminous intensity units. Lux, flame, phot, nox, nit, lambert, candela
Magnetic flux and flux density units.

Maxwell, weber, tesla per square meter, tesla, gauss

Power units, btu/hour, megawatt, gigawatt, horsepower, joule/hour
Radioactivity, radiation exposure, absorbed dose units. Curie, becquerel, roentgen, rem, sievert, gray, rad
Sound units, bel, decibel (dB), neper (Np)
Metric and imperial speed conversion, meter per second, kilometers per hour, miles per hour
Force units, kilogram force meter, newton meter, ounce force inch, pound force foot
Dynamic and kinematic viscosity conversions

For more information about Imperial, United States Customary and the Metric systems, please check weights and measures