Fahrenheit to Kelvin exact formula
Fahrenheit to Kelvin uses K = (F − 32) × 5/9 + 273.15. The inverse relationship for Fahrenheit to Kelvin is F = (K − 273.15) × 9/5 + 32.
Convert fahrenheit to kelvin with the temperature formula documented on this page.
Paste multiple values, generate a table, then download it as CSV for Excel or Google Sheets.
| # | Input | Result | Formula |
|---|---|---|---|
| Generate a table to preview sheet rows. | |||
Fahrenheit to Kelvin uses K = (F − 32) × 5/9 + 273.15. The inverse relationship for Fahrenheit to Kelvin is F = (K − 273.15) × 9/5 + 32.
Fahrenheit to Kelvin input definition: degrees Fahrenheit use a scale related to Celsius by F = C × 9/5 + 32. For Fahrenheit to Kelvin, output definition: kelvin is the SI base unit of thermodynamic temperature; 0 K is absolute zero.
Fahrenheit to Kelvin check: 0 Fahrenheit = 255.372222 Kelvin. Fahrenheit to Kelvin check: 20 Fahrenheit = 266.483333 Kelvin. Fahrenheit to Kelvin check: 100 Fahrenheit = 310.927778 Kelvin.
| Input | Result | Common use |
|---|---|---|
| 32 Fahrenheit | 273.15 Kelvin | Freezing water |
| 68 Fahrenheit | 293.15 Kelvin | Cool room temperature |
| 77 Fahrenheit | 298.15 Kelvin | Warm room temperature |
| 98.6 Fahrenheit | 310.15 Kelvin | Body temperature reference |
| 212 Fahrenheit | 373.15 Kelvin | Boiling water |
Formula: Kelvin = (Fahrenheit - 32) x 5 / 9 + 273.15. Common checks help catch mistakes: freezing water is 0 Celsius or 32 Fahrenheit, room temperature is around 20 to 25 Celsius, and boiling water is around 100 Celsius at sea level. Use these reference points when the kelvin result will be used for weather, cooking, science homework, equipment settings, or travel planning.
Common checks: freezing water is 0 Celsius or 32 Fahrenheit, room temperature is around 20 to 25 Celsius, and boiling water is around 100 Celsius at sea level.
For Fahrenheit to Kelvin, the main temperature is formatted with at most 4 decimal places; the rounded line uses at most 2.
Fahrenheit to Kelvin uses the fixed unit definitions stated on this page; confirm any industry, legal, historical, or local convention that defines the same label differently.
Fahrenheit to Kelvin rejects an empty or non-finite numeric input. For Fahrenheit to Kelvin, negative numbers are accepted by the code, including for physical quantities where a negative amount may have no practical meaning. For Fahrenheit to Kelvin, very large values remain subject to JavaScript Number precision.
To convert in the other direction, use the reverse converter. The inverse relationship for Fahrenheit to Kelvin is F = (K − 273.15) × 9/5 + 32.
Fahrenheit to Kelvin runs the temperature convert operation in the current browser session. To verify Fahrenheit to Kelvin, reproduce its worked example and compare the displayed or downloaded kelvin with the stated expected result. When Fahrenheit to Kelvin returns a file, open the download and inspect every affected page or image. Fahrenheit to Kelvin reads and processes the supplied values in the current browser and does not submit them to an application endpoint. Browser extensions, device security and any manual sharing or download from Fahrenheit to Kelvin remain outside the tool’s control.
Continue the workflow
Fahrenheit to Kelvin is part of the Converter Tools section. Use the nearby pages below when the same job needs checking, cleanup, conversion, formatting, or a different output before you finish.