The history of temperature measurement is a long and interesting one. The freezing or melting point of water as the root number
0 was a good choice during the development of a system which is easy to understand and use in all cultures and climates, but nevertheless an arbitrary one. We are not there yet. Lakes of liquid methane are thought to exist on moons in the outer solar system at -180°.
And the more we say about it, the warmer it gets.
Type a value in its place, then press Tab or click anywhere outside the box, and enjoy the results!