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