Mithila Muthamma PA
Coorg Institute of Technology (CIT), Coorg
Mithila Muthamma PA has created this Calculator and 500+ more calculators!
Chandana P Dev
NSS College of Engineering (NSSCE), Palakkad
Chandana P Dev has verified this Calculator and 500+ more calculators!

6 Other formulas that you can solve using the same Inputs

Base current when saturation current in DC is given
Base Current=(Saturation current/Common emitter current gain)*e^(Voltage across the base–emitter junction/Thermal voltage)+Saturation Vapour Pressure at Water Surface*e^(Voltage across base-collector junction/Thermal voltage) GO
Dalton‘s Law Considering the effect of wind
Evaporation from water body (mm/day) =Constant kl for a given area*(Saturated Vapour Pressure of water-Vapour Pressure of Air)*(Constant 'a' for given Area+Constant 'b' for given Area*Wind Velocity) GO
Rohwer‘s formula
Evaporation from water body (mm/day) =0.771*(1.465-0.00073*Atmospheric Pressure)*(0.44+0.0733*Mean Wind Velocity)*(Saturation Vapour Pressure at Water Surface-Vapour Pressure of Air) GO
Equation for Parameter Including Wind Velocity and Saturation Deficit
Actual Mean Vapor Pressure=0.35*(1+(Mean Wind Velocity/160))*(Saturation Vapour Pressure at Water Surface-Actual Mean Vapor Pressure) GO
Vapour Pressure of water at a given temperature when Evaporation given in Dalton's Law
Saturated Vapour Pressure of water=(Evaporation from water body (mm/day) /Proportionality Constant )+Vapour Pressure of Air GO
Dalton's Law of Evaporation
Evaporation from water body (mm/day) =Proportionality Constant *(Saturated Vapour Pressure of water-Vapour Pressure of Air) GO

5 Other formulas that calculate the same Output

Evaporation from Energy Budget Method
Evaporation from water body (mm/day) =(Net Heat received by the Water Surface-Heat Flux into the Ground-Head stored in Water Body-Net Heat Conducted out system by Water Flow)/(Water Density*Latent Heat of Evaporation*(1+Bowen’s Ratio)) GO
Dalton‘s Law Considering the effect of wind
Evaporation from water body (mm/day) =Constant kl for a given area*(Saturated Vapour Pressure of water-Vapour Pressure of Air)*(Constant 'a' for given Area+Constant 'b' for given Area*Wind Velocity) GO
Rohwer‘s formula
Evaporation from water body (mm/day) =0.771*(1.465-0.00073*Atmospheric Pressure)*(0.44+0.0733*Mean Wind Velocity)*(Saturation Vapour Pressure at Water Surface-Vapour Pressure of Air) GO
Dalton's Law of Evaporation
Evaporation from water body (mm/day) =Proportionality Constant *(Saturated Vapour Pressure of water-Vapour Pressure of Air) GO
Evaporation when Precipitation is known.
Evaporation from water body (mm/day) =Precipitation-Surface Runoff GO

Meyer‘s formula Formula

Evaporation from water body (mm/day) =Coefficient accounting for other factors*(Saturation Vapour Pressure at Water Surface-Vapour Pressure of Air)*(1+Mean Wind Velocity/16)
E=K<sub>m</sub>*(e<sub>s</sub>-ea)*(1+u<sub>2</sub>/16)
More formulas
Rohwer‘s formula GO
Water Consumed by Transpiration GO
Transpiration ratio GO
Equation for Daily Lake Evaporation GO

What is Evaporation?

Evaporation is the process in which a liquid changes to the gaseous state as the free surface, below its boiling point, through the transfer of energy.

How to Calculate Meyer‘s formula?

Meyer‘s formula calculator uses Evaporation from water body (mm/day) =Coefficient accounting for other factors*(Saturation Vapour Pressure at Water Surface-Vapour Pressure of Air)*(1+Mean Wind Velocity/16) to calculate the Evaporation from water body (mm/day) , The Meyer‘s formula formula is defined as empirical equations for estimating lake evaporation by the parameters vapour pressure of water surface and air and mean monthly wind velocity measured at a height of 9 m above free water surface. Evaporation from water body (mm/day) and is denoted by E symbol.

How to calculate Meyer‘s formula using this online calculator? To use this online calculator for Meyer‘s formula, enter Coefficient accounting for other factors (Km), Saturation Vapour Pressure at Water Surface (es), Vapour Pressure of Air (ea) and Mean Wind Velocity (u2) and hit the calculate button. Here is how the Meyer‘s formula calculation can be explained with given input values -> -24249997.09 = 0.36*(0.006-50000)*(1+5.55555555555556/16).

FAQ

What is Meyer‘s formula?
The Meyer‘s formula formula is defined as empirical equations for estimating lake evaporation by the parameters vapour pressure of water surface and air and mean monthly wind velocity measured at a height of 9 m above free water surface and is represented as E=Km*(es-ea)*(1+u2/16) or Evaporation from water body (mm/day) =Coefficient accounting for other factors*(Saturation Vapour Pressure at Water Surface-Vapour Pressure of Air)*(1+Mean Wind Velocity/16). Coefficient accounting for other factors (0.36 for large deep water bodies, 0.5 for small shallow water bodies) , Saturation Vapour Pressure at Water Surface (mm of mercury), Vapour Pressure of Air to the standard atmospheric pressure. and Mean Wind Velocity measured at a height of 2m above ground (km/hr).
How to calculate Meyer‘s formula?
The Meyer‘s formula formula is defined as empirical equations for estimating lake evaporation by the parameters vapour pressure of water surface and air and mean monthly wind velocity measured at a height of 9 m above free water surface is calculated using Evaporation from water body (mm/day) =Coefficient accounting for other factors*(Saturation Vapour Pressure at Water Surface-Vapour Pressure of Air)*(1+Mean Wind Velocity/16). To calculate Meyer‘s formula, you need Coefficient accounting for other factors (Km), Saturation Vapour Pressure at Water Surface (es), Vapour Pressure of Air (ea) and Mean Wind Velocity (u2). With our tool, you need to enter the respective value for Coefficient accounting for other factors, Saturation Vapour Pressure at Water Surface, Vapour Pressure of Air and Mean Wind Velocity and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.
How many ways are there to calculate Evaporation from water body (mm/day) ?
In this formula, Evaporation from water body (mm/day) uses Coefficient accounting for other factors, Saturation Vapour Pressure at Water Surface, Vapour Pressure of Air and Mean Wind Velocity. We can use 5 other way(s) to calculate the same, which is/are as follows -
  • Evaporation from water body (mm/day) =Proportionality Constant *(Saturated Vapour Pressure of water-Vapour Pressure of Air)
  • Evaporation from water body (mm/day) =Constant kl for a given area*(Saturated Vapour Pressure of water-Vapour Pressure of Air)*(Constant 'a' for given Area+Constant 'b' for given Area*Wind Velocity)
  • Evaporation from water body (mm/day) =0.771*(1.465-0.00073*Atmospheric Pressure)*(0.44+0.0733*Mean Wind Velocity)*(Saturation Vapour Pressure at Water Surface-Vapour Pressure of Air)
  • Evaporation from water body (mm/day) =Precipitation-Surface Runoff
  • Evaporation from water body (mm/day) =(Net Heat received by the Water Surface-Heat Flux into the Ground-Head stored in Water Body-Net Heat Conducted out system by Water Flow)/(Water Density*Latent Heat of Evaporation*(1+Bowen’s Ratio))
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