How many degree Celsius in 1 degree Rømer?
The answer is 1.9047619047619.

We assume you are converting between **degree Celsius** and **degree Rømer**.

You can view more details on each measurement unit:

degree Celsius or
degree Rømer

The SI base unit for **temperature** is the kelvin.

1 kelvin is equal to 1 degree Celsius, or 0.525 degree Rømer.

Note that rounding errors may occur, so always check the results.

Use this page to learn how to convert between degrees Celsius and degrees Rømer.

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You can do the reverse unit conversion from degree Rømer to degree Celsius, or enter any two units below:

degree Celsius to Fahrenheit

degree Celsius to Reaumur

degree Celsius to kelvin

degree Celsius to Rankine

degree Celsius to newton

degree Celsius to Delisle

The degree Celsius (°C) is a unit of temperature named after the Swedish astronomer Anders Celsius (1701–1744), who first proposed a similar system in 1742. The Celsius temperature scale was designed so that the freezing point of water is 0 degrees, and the boiling point is 100 degrees at standard atmospheric pressure.

Rømer is a disused temperature scale named after the Danish astronomer Ole Christensen Rømer, who proposed it in 1701.

In this scale, the zero was initially set using freezing brine. The boiling point of water was defined as 60 degrees. Rømer then saw that the freezing point of water fell at roughly one eighth of that value (7.5 degrees), so he used that value as the other fixed point. Thus the unit of this scale, a Rømer degree, is 40/21sts of a kelvin (or of a Celsius degree). The symbol is sometimes given as °R, but since that is also sometimes used for the Rankine scale, the other symbol °Rø is to be preferred. The name should not be confused with Réaumur.

Daniel Gabriel Fahrenheit learned of Rømer's work and visited him in 1708; he improved on the scale, increasing the number of divisions by a factor of four and eventually establishing what is now known as the Fahrenheit scale, in 1724.

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