Wet Bulb Calculator for HVAC | Chiller Trend

Wet-Bulb Calculator

Estimate outdoor wet-bulb temperature from dry-bulb temperature and relative humidity.

Ambient Conditions

Enter current outdoor conditions.

°F
%
Method and assumptions

Method

Wet bulb is estimated from dry-bulb temperature and relative humidity using an approximation formula.

Assumptions

Dry-bulb temperature is in °F and relative humidity is from 1% to 100%.

Limit

This is a field estimate, not a replacement for a measured wet-bulb reading.