I have collected 7 cooling tower sizing calculators that can be used for the above mentioned goals. All of those calculators are online, which you can use freely without downloading.
But, please remember that each cooling tower sizing calculator will result approximate value for estimation only. Detail technical calculation should be done by cooling tower specialist.
Cooling Tower Sizing Calculator
Cooling tower make up calculator
This tool is owned by checalc.com. Input data that you need to know are circulating flow, inlet temperature to the cooling tower, outlet temperature and wet bulb temperature.
Water usage calculator for a cooling tower
You can estimate the quantity of water usage for a cooling tower in detail: evaporation, drift, blowdown and total usage by inputting operating conditions of the cooling tower.
Wet bulb temperature calculator
If you don’t know how to calculate wet bulb temperature for a given cooling water condition, then this is the perfect tool to use.
Cooling tower duty
Use this simple calculator to calculate tonnage duty for a cooling tower.
Cooling tower sizing
A cooling tower sizing calculator from Delta Cooling Towers Inc.
Quick cooling tower sizing
If you need a quick cooling tower sizing, this tool is perfect. Tower Tech Inc will give you a cooling tower design according to your country.
Cooling Tower Calculator
May be this is the most satisfied cooling tower sizing calculators among the above calculators. This tool is created by TRS Incorporated.