Simple unit converter that includes a wide array of types Acceleration Angle Angle velocity/frequency Area/2D Concentration mass Dispersion Duration/time Electric charge Electric current Electric potential difference/electricity Electric resistance/electricity Energy/work Force Frequency Fuel efficiency Illuminance/light Information storage/data Length/distance/height/altitude Mass/weight Power/electricity Pressure/stress/strength Speed/velocity Temperature Torque Volume/3D Let us know if there is anything to add.