Kelvin is the SI absolute temperature scale.
Kelvins to Newtons Converter — K to N
Convert Kelvin (K) to Newton (N) using the exact temperature formula. See the formula, worked examples, conversion table, history, and common uses.
Kelvins to Newtons converter
Converter
Temperature Converter
Convert Celsius, Fahrenheit, Kelvin, Rankine, Delisle, Newton, Reaumur, and Romer.
Context values
Some unit families need one extra value for a physically accurate result.
Newton is a historical temperature scale.
Convert the source temperature to Kelvin, then convert Kelvin to the target scale.
Temperature conversion uses Kelvin as the intermediate absolute scale.
Reserved above the conversion cards and below the converter.
About Converting Kelvins to Newtons
Kelvin is a widely used everyday temperature scale, while Newton is a historical temperature scale no longer in common use — this conversion is mainly useful for historical reference or comparing older scientific texts against modern figures.
Formula
Convert the source temperature to Kelvin, then convert Kelvin to the target scale.
Both scales are converted through Kelvin as a common absolute reference point.
Simple example
(0 − 32) × 5/9 = -90.1395 °C
0 kelvins = -90.1395 newtons.
Real-world example
(0 − 32) × 5/9 = -90.1395 °C
0 kelvins = -90.1395 newtons.
Conversion table
| Kelvin (K) | Newton (N) |
|---|---|
| -40 K | -103.3395 N |
| -20 K | -96.7395 N |
| 0 K | -90.1395 N |
| 20 K | -83.5395 N |
| 37 K | -77.9295 N |
| 100 K | -57.1395 N |
Reverse conversion: Newton to Kelvin
(-89.8095 − 32) × 5/9 = 1 °C
-89.8095 newtons = 1 kelvins.
Convert the source temperature to Kelvin, then convert Kelvin to the target scale.
For a page dedicated to this direction, see Newton to Kelvin.
Understanding the Kelvin
Kelvin (K) measures temperature. The kelvin is the SI base unit of thermodynamic temperature; 0 K (absolute zero) is the theoretical absence of thermal energy. It is classified as a SI base unit.
Where it's used: Standard scientific temperature unit worldwide
Uses of the Kelvin today
- Scientific and engineering temperature measurement (physics, chemistry)
- Color temperature specifications (lighting, displays)
- Cryogenics and low-temperature physics
History of the Kelvin
The kelvin scale was proposed by William Thomson (Lord Kelvin) in 1848, building on Sadi Carnot's thermodynamic work to define an absolute temperature scale independent of any particular substance's properties, with zero set at absolute zero.
Since 2019, the kelvin has been defined by fixing the Boltzmann constant at an exact value, tying it to a fundamental physical constant rather than the triple point of water used previously.
Historical origin. Kelvin was not the invention of a single named person; it developed through the process described above.
Understanding the Newton (N)
Newton is a historical temperature scale.
Kelvin — sources
- BIPM — The kelvin (SI base unit) — Current definition and history of the kelvin.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many newtons are in 1 kelvin?
1 kelvin equals -89.8095 newtons, using the offset temperature formula rather than an estimate.
How do I convert kelvin to newton?
Use the formula shown above: it involves both a multiplication and an addition/subtraction because the two scales don't share a common zero point.
How do I convert newton back to kelvin?
Use the reverse factor: 1 newton equals 276.180303 kelvins. You can also use the swap control in the converter above to flip the direction instantly.
What is a kelvin?
Kelvin (K) measures temperature. The kelvin is the SI base unit of thermodynamic temperature; 0 K (absolute zero) is the theoretical absence of thermal energy. It is classified as a SI base unit.
What is a newton?
Newton (N) is a unit of temperature.
Is the Kelvin to Newton conversion exact?
Yes. Both scales are formally defined relative to the Kelvin scale, so the conversion formula is exact — the only rounding involved is in how many decimal places you choose to display.
Where is the kelvin still used today?
Standard scientific temperature unit worldwide