The Boiling Point of Water Calculator


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What is the Boiling Point of Water?

Water boils at 212°F at sea level, but only at sea level. Changes in atmospheric pressure will alter the temperature at which water boils. To use this calculator you will need your current pressure* and elevation.

*This calculator uses adjusted barometric pressure as typically reported by airports and news outlets


How to Calculate the Boiling Point of Water

Step 1: Find your local pressure and elevation

Find your current barometric pressure and elevation, then enter those values in the calculator below. The following link will open in a new window. Find your location and look for the details on the page like the example to the right.


Step 2: Enter your local pressure and elevation, then calculate your local boiling point

Pressure: inHg      

Elevation: feet     

Boiling Point Estimate:

°F  

°C

More on the Boiling Point of Water and Thermometer Accuracy