Kelvin to Fahrenheit converter

Type a Kelvin value and read Fahrenheit instantly, with the other two scales alongside. The formula is °F = K × 9/5 − 459.67.

  • 0 K = −459.67 °F
  • 273.15 K = 32 °F
  • 300 K = 80.33 °F
  • 373.15 K = 212 °F
K
°F
°C
°R

How to convert Kelvin to Fahrenheit

°F = K × 9/5 − 459.67

Fahrenheit is the everyday scale in the United States and a few other places: water freezes at 32 °F and boils at 212 °F, so there are 180 degrees between them. Step through a worked example:

°F = K × 9/5 − 459.67

  1. …
  2. …
= 68 °F

K to °F table

Kelvin (K)Fahrenheit (°F)
0 K−459.67 °F
50 K−369.67 °F
77 K−321.07 °F
100 K−279.67 °F
173.15 K−148 °F
200 K−99.67 °F
233.15 K−40 °F
250 K−9.67 °F
255.37 K0 °F
263.15 K14 °F
273.15 K32 °F
283.15 K50 °F
293.15 K68 °F
298.15 K77 °F
300 K80.33 °F
310.15 K98.6 °F
323.15 K122 °F
350 K170.33 °F
373.15 K212 °F
400 K260.33 °F
500 K440.33 °F
600 K620.33 °F
1000 K1340.33 °F
5772 K9929.93 °F

Need more rows? The full temperature conversion chart goes from −50 to 300 °C.

Questions

How do you convert Kelvin to Fahrenheit?

Use °F = K × 9/5 − 459.67. For example, 293.15 K is 68 °F.

What is 0 K in Fahrenheit?

0 K equals −459.67 °F.

What is 100 K in Fahrenheit?

100 K equals −279.67 °F.

Why use Fahrenheit?

Fahrenheit is the everyday scale in the United States and a few other places: water freezes at 32 °F and boils at 212 °F, so there are 180 degrees between them.

Why is Kelvin written without a degree sign?

Since 1967 the SI unit has been "the kelvin" (K), a unit like the metre, not "degrees Kelvin". A kelvin is the same size as a Celsius degree.