This is simple unit converter for:
Length (millimetres, centimeters, meters, kilometers, inches, feet, yard, miles)
Weight (grams, ounces, kilograms, tones, pounds, stones)
Temperature (celsius, fahrenheit, kelvin, reaumur)
Speed (meter/sec, kilometers/hr, feet/sec, milos/hr, knots, sound)
Volume (cubic meter, cubic decimeter, cubit centimeter, cubic milimeter, hectoliter, decaliters, liter, deciliter, centiliter)