Temperature

Convert fahrenheit to kelvin

1 fahrenheit equals 255.92778 kelvin. Enter a value below to convert instantly.

1 °F
255.92778 K

K = (°F − 32) × 5/9 + 273.15 How this is calculated

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Need the other direction? Convert kelvin to fahrenheit →

Formula

K = (°F − 32) × 5/9 + 273.15

Not a simple multiplication. These scales have different zero points, so the conversion applies an offset as well as a ratio.

Step by step

  1. Start with 1 °F.
  2. Apply the Fahrenheit-to-Kelvin formula.
  3. The result is 255.92778 K.

Fahrenheit to Kelvin conversion table

Conversion table from Fahrenheit to Kelvin
Fahrenheit (°F) Kelvin (K)
-40 233.15
-20 244.26111
0 255.37222
10 260.92778
20 266.48333
32 273.15
37 275.92778
50 283.15
98.6 310.15
100 310.92778

Convert Fahrenheit to other temperature units

1 °F expressed in every other temperature unit on this site.

  • Celsius °C -17.222222
  • Kelvin K 255.92778
  • Rankine °R 460.67
  • Réaumur °Ré -13.777778
  • Delisle °De 175.83333
  • Newton Scale °N -5.6833333
  • Rømer °Rø -1.5416667

About the fahrenheit

The fahrenheit (°F) is a US unit of temperature.

About the kelvin

The kelvin (K) is a SI unit of temperature.

Where this conversion is used

Converting fahrenheit to kelvin comes up when cooking, weather, medical readings, and science experiments. Because the scales have different zero points, you add or subtract an offset — you cannot simply multiply.

Related conversions

Frequently asked questions

How many kelvin are in a fahrenheit?

One fahrenheit equals 255.92778 kelvin.

How do you convert fahrenheit to kelvin?

K = (°F − 32) × 5/9 + 273.15

What is 1 kelvin in fahrenheit?

One kelvin equals -457.87 fahrenheit.

When would I convert fahrenheit to kelvin?

This conversion is common when cooking, weather, medical readings, and science experiments.

Conversion factors are based on internationally agreed unit definitions. See our methodology and sources for details on how these values are verified.