Online ETo calculator to calculate pan crop evapotranspiration value for crop water requirements.
Formula:
ETo = K pan × E pan
where,E pan = pan evaporation,
K pan = pan coefficient,
ETo = reference crop evapotranspiration
ETo Calculator
Calculate Reference Crop Evapotranspiration (ETo)
E pan = pan evaporation,
K pan = pan coefficient,
ETo = reference crop evapotranspiration