Universal Conversion Calculator attempts to be just that. A conversion calculator that will convert just about anything in one unit, or sets of units, into another. Over 380 units are built in, and a nearly unlimited number of custom units can be made from the built in units.
If you need to know something basic, like how many inches are in 10 centimeters, then Universal Conversion Calculator is for you. If you need to know what 10 Furlongs per Fortnight are in Bolts of Cloth per Year, then Universal Conversion Calculator is for you.