Dew Point (DP) Calculator

This calculator will help you to find the Dew Point
Other Calculators:Dp-Vp-Rh Calculator Bar Correction

Your Input :-

Your input can be in form of Real Number

Unit:(Celcius/Fahrenheit)

Formatted User Input Display

\sf{ Dry \space Bulb \space Temp.(DB) = \bold{6}}

\sf{ Relative \space Humidity (RH) = \bold{3}}

Question
Find the Dew Point when the Dry Bulb Temp. is 6 & Relative Humidity is 3

Step By Step Solution :-
We know that Dew Point from the Dry Bulb & Relative Humidity Temperature is given by the formula below
This Formula is so Complex that for easier calculation, we splitted it into two parts.

\sf{N =a {\bigg \lbrace{ln{\large(RH)\above{1pt}(100)}+{\large17.27*DB\above{1pt}237.3+DB}}\bigg \rbrace\above{1pt}(17.27)}}

\sf{DP = \bigg({237.3*N\above{1pt}1-N}\bigg)}

Where,
DB = Dry Bulb Temperature (In Degree Celsius)
RH = Relative Humidity
DP = Dew Point (In Degree Celsius)
Given input values are DB = 6 & RH = 3
Then, by putting these values in the above formula
First solving for N

\sf{N = {\bigg \lbrace{ln{\large(3)\above{1pt}(100)}+{\large17.27*6\above{1pt}237.3+6}}\bigg \rbrace\above{1pt}(17.27)}}

\sf{N = \bigg \lbrace{ln(0.03)+{\large(103.62)\above{1pt}(243.3)}\above{1pt}(17.27)}\bigg \rbrace}

\sf{N = {ln(0.03)+0.4258939581\above{1pt}(17.27)}}

\sf{N = {-3.5065578973+0.4258939581\above{1pt}(17.27)}}

\sf{N = {-3.080663939243533\above{1pt}17.27}}

N = -0.1783823937
Now, Solving for Dew Point

\sf{DP = {237.3*-0.1783823937\above{1pt}1--0.1783823937}}

\sf{DP = -35.9222458277 \implies -35.9}

Final Answer
The Dew Point (DP) for the given values of Dry Bulb = 6 & Relative Humidity = 3 is -35.9

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