You can use these calculators to calculate concentration, conversion factors, diffusivity, enthalpy, entropy, heat capacity, and more..

Concentration

Conversion Factors Calculators

Diffusivity

Enthalpy (mass basis)

Enthalpy (vol basis)

Entropy

Flowrate (vol basis)

Heat Capacity

Pressure Drop / Length

Terminal Velocity of a Rigid Particle

Thermal Conductivity

Torque Conversion factors

Torque conversion online.
Convert Torque Units Instantly

Viscosity (absolute)