Fahrenheit to Kelvin Converter
Use this Fahrenheit to Kelvin calculator to get your answers fast. You can convert Fahrenheit to Kelvin easily using the Fahrenheit to Kelvin formula: K = (°F − 32) × 5/9 + 273.15. Type any number below to see the f to k conversion and common temperature references.
Fahrenheit to Kelvin Conversion Table
Need a quick number without doing the math? Read this chart for the most common weather and science numbers. It makes the conversion from Fahrenheit to Kelvin super easy. You can find everything from freezing points to high heat. It works perfectly when you need to convert degrees Fahrenheit to Kelvin in a hurry.
| Fahrenheit (°F) | Kelvin (K) |
|---|---|
| −459.67°F | 0 K |
| −320.8°F | 77.15 K |
| −40°F | 233.15 K |
| 0°F | 255.37 K |
| 20°F | 266.48 K |
| 32°F | 273.15 K |
| 40°F | 277.59 K |
| 50°F | 283.15 K |
| 59°F | 288.15 K |
| 68°F | 293.15 K |
| 70°F | 294.26 K |
| 72°F | 295.37 K |
| 77°F | 298.15 K |
| 86°F | 303.15 K |
| 98.6°F | 310.15 K |
| 100°F | 310.93 K |
| 104°F | 313.15 K |
| 122°F | 323.15 K |
| 140°F | 333.15 K |
| 158°F | 343.15 K |
| 176°F | 353.15 K |
| 194°F | 363.15 K |
| 212°F | 373.15 K |
| 302°F | 423.15 K |
| 392°F | 473.15 K |
| 451°F | 505.93 K |
The Fahrenheit to Kelvin Conversion Formula
The formula for Fahrenheit to Kelvin is simple once you break it down. To convert to Kelvin from Fahrenheit, you first change the Fahrenheit number into Celsius. Then you shift that value to the absolute Kelvin scale by adding 273.15. This is the standard conversion of Fahrenheit to Kelvin formula.
Fahrenheit and Kelvin do not share the same starting point. Fahrenheit sets water freezing at 32 degrees and boiling at 212 degrees. Kelvin starts all the way down at absolute zero. That is why you need a specific equation for f to k. Whether you call it the formula of f to k or the f to k equation, the math is exactly the same. You can also use the convert Fahrenheit to Kelvin equation shown above.
Worked Examples
Reverse Operation
Working backward? Subtract 273.15 from the Kelvin value. Next, multiply by 9/5. Finally, add 32. You can also just use our dedicated Kelvin to Fahrenheit Converter →.
How to Convert Fahrenheit to Kelvin
Wondering how to convert f to k manually? Just follow this simple process.
Understanding Fahrenheit and Kelvin
Fahrenheit is commonly used for weather, body temperature, ovens, and home thermostats in the United States. Kelvin is the absolute temperature scale used in physics, chemistry, and astronomy. When you need to change Fahrenheit to Kelvin, you are moving from a relative scale to an absolute one.
The biggest difference is the zero point. Kelvin starts at absolute zero. This is the theoretical lowest possible temperature. Fahrenheit starts from a different historical point. Because of this difference, you need the full Fahrenheit to Kelvin conversion formula to get the right answer.
Extended Fahrenheit to Kelvin Chart
Browse common degrees f to k values. Click any pair to load it into the converter above.
Fahrenheit to Kelvin FAQs
K = (°F − 32) × 5/9 + 273.15. You might also hear
it called the
convert Fahrenheit to Kelvin equation or the
formula to convert f to k. Whether you search
for a degree Fahrenheit to Kelvin formula or a
convert Fahrenheit to Kelvin formula, this is
the one you need.
K = (°F − 32) × 5/9 + 273.15. It is the exact same
math as the f to k formula. Many students look
for the formula of Fahrenheit to Kelvin and
this is exactly what they need.
K = (0 − 32) × 5/9 + 273.15 = 255.372222 K.
K = (70 − 32) × 5/9 + 273.15 = 294.261111 K.