With Unit Converter Engineering Multiconverter, you'll find the following categories: Angle (circle, degree, mil, minutes,...) Area (acre, are, hectare, square,...) Digital Storage (bit, gigabit, kilobyte,...) Electric Current (ampere, kiloampere, miliampere, biot,...) Enthalpy (cal, kilocal, kilojoule,...) Flow Rate (Kg, pound, ton,...) Force (dyne, gram-force, kilopond, newton,...) Fuel Consumption (galon, km, liter, meter, mile,...) Length (angstrom, centimeter, decameter, foot, inch, kilome