Temperature
Celsius to Kelvin
One addition and no multiplication, because the kelvin and the Celsius degree are the same size. Only the zero point shifts.
The Formula
K = C + 273.15
One addition and no multiplication, because the kelvin and the Celsius degree are the same size. Only the zero point shifts.
| Symbol | Meaning | Unit | Notes |
|---|---|---|---|
| C | Reading in degrees Celsius | degrees Celsius | May be negative; below -273.15 C the value has no physical meaning. |
| K | Same reading on the absolute scale | kelvin | Never negative, since 0 K is absolute zero. |
What Each Symbol Means
Cdegrees Celsius
Reading in degrees Celsius
May be negative; below -273.15 C the value has no physical meaning.
Kkelvin
Same reading on the absolute scale
Never negative, since 0 K is absolute zero.
See It Worked With Real Numbers
A formula on its own does not tell you which number goes where. The how to convert celsius to kelvin page applies this equation to a concrete case, shows every intermediate step, and names the mistakes that produce a wrong answer even when the algebra is right.
Where This Formula Appears
This equation is the working core of How To Convert Celsius To Kelvin, filed under Unit Conversion. Every number the guide produces comes from substituting into this one line.