Kelvin (K)
The SI base unit of temperature, starting at absolute zero.
Result
1 kelvin = -272.15 degrees Celsius
Kelvin at a glance
| Unit name | Kelvin (plural: kelvin) |
|---|---|
| Symbol | K |
| Quantity measured | Temperature |
| Measurement system | SI |
| Also known as | k, kelvins, degrees kelvin |
| Definition exact? | Yes — exact by definition |
1 kelvin in other temperature units
| Unit | 1 K equals |
|---|---|
| Degree Celsius | -272.15 °C |
| Degree Fahrenheit | -457.87 °F |
| Degree Rankine | 1.8 °R |
| Degree Réaumur | -217.72 °Ré |
| Degree Rømer | -135.37875 °Rø |
| Degree Delisle | 558.225 °De |
Popular kelvin conversions
Frequently asked questions
- What is a kelvin?
- The SI base unit of temperature, starting at absolute zero.
- What is the symbol for the kelvin?
- The symbol for the kelvin is K. It measures temperature.
- How many degrees Celsius are in a kelvin?
- 1 kelvin = -272.15 degrees Celsius.
- How many degrees Fahrenheit are in a kelvin?
- 1 kelvin = -457.87 degrees Fahrenheit.