Temperature converter
Fahrenheit to Kelvin Converter
Convert °F to K or reverse with one click. Type a value below for an instant result.
Fahrenheit °F
Kelvin K
°F → K · runs in your browser, no server
How to convert fahrenheit to kelvin
Fahrenheit (°F) and Kelvin (K) both measure temperature. Whether you are studying, traveling, cooking, or working on a project, converting between them should be fast and accurate.
Looking for the opposite direction? See our dedicated kelvin to fahrenheit converter — same formula reversed, with content written for that direction.
The standard relationship used on this page means that 1 fahrenheit equals 255.927777 K. Enter any number in the calculator — use the swap button to reverse the direction without leaving the page.
Converting 68 °F gives 293.15 K. This is a practical reference when switching between fahrenheit and kelvin for weather forecasts, cooking, science labs, and HVAC settings.
Need kelvin to fahrenheit instead? Try our Kelvin to Fahrenheit converter. kelvin → fahrenheit
When you'll use this
- Converting a US weather report or oven temperature (°F) directly into Kelvin for a scientific calculation
- Completing a physics or engineering problem where the source data is in Fahrenheit but the formula requires an absolute temperature scale
- Converting a US-manufactured sensor's Fahrenheit output into Kelvin for international scientific reporting
- Checking a US industrial process temperature (often specified in °F) against a Kelvin-based materials science threshold
- Converting American weather data into Kelvin for a climate science dataset that standardizes on the SI unit
Practical note
This is a less common conversion path than Celsius-to-Kelvin, but it matters when raw source data happens to be in Fahrenheit — a US industrial or lab thermometer reading "212°F" (the Fahrenheit boiling point of water at sea level) converts to exactly 373.15 K, confirming the two scales agree at that reference point. It is also useful for standardizing American weather or manufacturing data for international scientific comparison, since research papers and engineering specs published outside the US virtually always report temperature in Kelvin or Celsius rather than Fahrenheit.
Tips
- This is a two-step conversion under the hood (Fahrenheit → Celsius → Kelvin), so small rounding differences can appear if you chain manual calculations instead of using an exact formula.
- A US "room temperature" reading of about 70°F converts to roughly 294.26 K — a useful anchor point since Fahrenheit-to-Kelvin conversions are less intuitive than Celsius-to-Kelvin.
- Scientific papers almost universally report temperature in Kelvin or Celsius, never Fahrenheit — converting US-sourced Fahrenheit data early avoids compounding errors later in a calculation.
°F to K conversion table
| °F | K |
|---|---|
| 23 | 268.15 |
| 32 | 273.15 |
| 50 | 283.15 |
| 59 | 288.15 |
| 68 | 293.15 |
| 77 | 298.15 |
| 86 | 303.15 |
K to °F conversion table
Or click the swap button in the converter to switch from K to °F.
| K | °F |
|---|---|
| 268 | 22.73 |
| 273 | 31.73 |
| 283 | 49.73 |
| 288 | 58.73 |
| 293 | 67.73 |
| 298 | 76.73 |
| 303 | 85.73 |
Frequently asked questions
How many kelvins are in 1 fahrenheit? +
One fahrenheit equals 255.927777 K. Use the converter above for any value — results are calculated locally with full precision.
How do I convert °F to K? +
Use the formula: K = (°F − 32) × 5/9 + 273.15. Enter your value in the calculator and the result appears instantly. Click the swap button to convert K back to °F.
How many fahrenheits are in 1 kelvin? +
One kelvin equals -457.87 °F. Swap the converter direction to work backwards from K to °F.
What is 10 °F in K? +
10 °F is 260.927777 K. See the conversion table on this page for more common values.
When would I convert fahrenheit to kelvin? +
This conversion is useful for weather forecasts, cooking, science labs, and HVAC settings. ConvertHub runs entirely in your browser — no data is uploaded to any server.
Is fahrenheit to kelvin the same as kelvin to fahrenheit? +
They are inverse operations. This page focuses on °F → K with examples and tables for that direction. For K → °F, use our separate kelvin to fahrenheit converter page.