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Convert Fahrenheit to Kelvin

Use our free online converter to easily convert from Fahrenheit to Kelvin. Get accurate conversions instantly.


Fahrenheit (°F)
Kelvin (K)

Converting Fahrenheit to Kelvin

Converting Fahrenheit to Kelvin is important in scientific research and engineering, particularly when working between American temperature standards and international scientific measurements.

Mathematical Relationship

The formula to convert Fahrenheit to Kelvin is: K = (°F - 32) × 5/9 + 273.15. This conversion requires first converting to Celsius and then to Kelvin.

Common Conversion Values

FahrenheitKelvin
-459.670
32273.15
68293.15
98.6310.15
212373.15

Unit Definitions

Fahrenheit

The Fahrenheit scale (symbol: °F) is a temperature scale based on one proposed by physicist Daniel Gabriel Fahrenheit in 1724. In this scale, the freezing point of water is 32°F and the boiling point is 212°F at standard atmospheric pressure.

Kelvin

The Kelvin (symbol: K) is the base unit of temperature in the International System of Units (SI). It is an absolute temperature scale where zero represents absolute zero, the theoretical point at which all thermal motion ceases.

Historical Context

The Fahrenheit scale was proposed in 1724, while the Kelvin scale was proposed over a century later in 1848 by William Thomson (Lord Kelvin) as an absolute temperature scale based on thermodynamic principles.