Fahrenheit to Kelvin Converter

Convert temperature from Fahrenheit to Kelvin instantly. Useful for science, engineering, weather references, and absolute temperature comparisons.

Negative Fahrenheit values are allowed. Kelvin output cannot go below 0 K.

Result will appear here.
Reference Value

Privacy: runs locally in your browser. No inputs are stored or transmitted.

How it works

Uses the standard conversion: K = (°F − 32) × 5/9 + 273.15.
Reverse formula: °F = (K − 273.15) × 9/5 + 32

Examples

  • 32°F = 273.15 K
  • 68°F = 293.15 K
  • 212°F = 373.15 K

FAQ

  • How do you convert Fahrenheit to Kelvin?

    Use the formula K = (°F − 32) × 5/9 + 273.15.

  • Can Kelvin ever be negative?

    No. Kelvin cannot go below 0 K, which is absolute zero.

  • Can I reverse the conversion?

    Yes. Use the Reverse button to switch between Fahrenheit to Kelvin and Kelvin to Fahrenheit.

  • Are my inputs stored?

    No. All calculations run locally in your browser.

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