A handy calculator for converting international and historical physical measurement units - length, area, volume, time, mass, density, speed, pressure, force, moment, power, energy, flux, number systems, angle, frequency, acceleration, temperature, luminous intensity, electric charge, numeric system, etc. So you can enter proper values into any web form. The list of converted units includes rare German, British, French, Russian, Austrian, Hungarian, Czech, Brazilian, Indian, Japanese, Korean, Chinese, Thai, Roman and Greek measurement units. From Russian Versta, British Fathom and French Perche to Korean Jeongbo, Japanese Tsubo and Thai Kwian, from biblical Assarion and Shekel to imperial Pounds per gallon, Poundal yard and Dyne per inch. A similar tool is also available as an Android app and as an add-on application for AutoCAD, Autodesk Inventor and Fusion 360, plus online on www.cadforum.cz