iUnit is a unit conversion program for the Macintosh and Windows. You can convert between about 1500 different units quickly and easily. iUnit also displays the values of 91 physical constants.
In addition specialty conversions for wire and sheet gauge, basis weight, fractions, solids, and thermal noise are also available.
iUnit converts between the following types of units: Acceleration Angle Area Capacitance Concentration Corrosion Rate Currency Currency - European Union Density Diffusitivity Distance Electrical Conductance Electrical Charge Energy Enthalpy - mol basis Frequency Enthalpy - mass basis Enthalpy - volume basis Entropy Force Heat Capacity Heat Flux Heat Rate Heat Transfer Coefficient Industrial Weight Per Area Units Luminous Luminence Luminous Intensity Magnetic Flux Magnetic Flux Density Magnetic Field Strength Mass Mass Flow Rate Momentum Moment-Torque Oil/water viscosity Power Pressure Radiation Activity Sheet metal gauges Stress Surface Tension Temperature Thermal Conductivity Thermal expansion - linear Thermal expansion - volume Time Type (printers) Velocity Volume Volume Flow Rate Viscosity (Kinematic) Viscosity (Dynamic) Wire gauges
iUnit displays the values of the following types of constants: Mathematical Physical Planets Metric Prefixes Amino Acids