Live Temperature Converter

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Trenton
39°F
3.89°C
wind5.8mph

Use the sliders to change the temperature. You can also use the arrow keys.

Celcius:
0
100
degrees
Fahrenheit:
32
212
degrees
Kelvin:
273.15
173.15
degrees

This thermometer graphic shows why Daniel Gabriel Fahrenheit chose the numbers that he did for freezing and boiling points. They are degrees of angle. It is not a coincidence that temperature is measured in degrees. This explains why. The freezing and boiling points are exactly 180 degrees from each other.

This project is now available and an Android app!
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