Fahrenheit ↔ Kelvin Converter (°F to K)
Convert between Fahrenheit and Kelvin temperature scales with precision and advanced features
| Amount | Kelvin |
|---|---|
| -459.67 °F | 0 K |
| -100 °F | 199.81667 K |
| -40 °F | 233.15 K |
| 0 °F | 255.37222 K |
| 32 °F | 273.15 K |
| 68 °F | 293.15 K |
| 98.6 °F | 310.15 K |
| 212 °F | 373.15 K |
| 350 °F | 449.81667 K |
| 1,000 °F | 810.92778 K |
More Temperature Unit Converters
Explore more temperature conversions between Celsius, Fahrenheit and Kelvin for fast, accurate results every time.
Fahrenheit to Kelvin Converter: °F to K and K to °F
This Fahrenheit to Kelvin converter is a fast, accurate online tool that converts temperatures between Fahrenheit (°F) and Kelvin (K) in both directions. It uses exact formulas and gives instant results as you type or move the slider, with no manual calculation. It is ideal for students, researchers, engineers and anyone working with absolute temperature measurements in physics, chemistry or other science-based fields.
Quick answer: 32 °F is 273.15 K, 68 °F is 293.15 K, 98.6 °F is 310.15 K and 212 °F is 373.15 K. Absolute zero is 0 K, or −459.67 °F.
About Fahrenheit to Kelvin Conversion
Fahrenheit to Kelvin conversion translates a temperature from the scale used in daily life in some countries into the absolute scale used worldwide in science and engineering. Kelvin starts at absolute zero, which makes it essential for thermodynamics and scientific calculations where negative temperatures are not used.
What Is Fahrenheit?
Fahrenheit is a temperature scale in which water freezes at 32 °F and boils at 212 °F under standard atmospheric conditions. It is mainly used in the United States for weather, cooking and everyday temperature measurements.
What Is Kelvin?
Kelvin is the absolute thermodynamic temperature scale. It begins at absolute zero (0 K), the point at which all molecular motion theoretically stops. Kelvin does not use degrees and is written simply as K. It is the standard temperature unit in scientific research and engineering.
Fahrenheit to Kelvin Formula
To convert Fahrenheit to Kelvin, subtract 32, multiply by 5/9 and add 273.15:
Example: if the temperature is 32 °F, then K = (32 − 32) × 5/9 + 273.15 = 273.15 K.
Kelvin to Fahrenheit Formula
To convert Kelvin to Fahrenheit, subtract 273.15, multiply by 9/5 and add 32:
Example: if the temperature is 300 K, then °F = (300 − 273.15) × 9/5 + 32 = 80.33 °F.
Fahrenheit to Kelvin Chart
These values use the exact formulas, so they match the converter above:
| Fahrenheit | Kelvin |
|---|---|
| -459.67 °F | 0 K |
| -320.44 °F | 77.35 K |
| -109.3 °F | 194.65 K |
| -40 °F | 233.15 K |
| 0 °F | 255.37 K |
| 32 °F | 273.15 K |
| 68 °F | 293.15 K |
| 98.6 °F | 310.15 K |
| 212 °F | 373.15 K |
| 451 °F | 505.93 K |
| Kelvin | Fahrenheit |
|---|---|
| 0 K | -459.67 °F |
| 77 K | -321.07 °F |
| 100 K | -279.67 °F |
| 200 K | -99.67 °F |
| 273.15 K | 32 °F |
| 293.15 K | 68 °F |
| 300 K | 80.33 °F |
| 373.15 K | 212 °F |
If you work with Celsius instead, the Celsius to Kelvin converter and the Celsius to Fahrenheit converter handle those scales, and the full temperature converter covers all three.
Who Uses This Converter?
Students studying physics and chemistry use it, along with teachers and educators. Scientists and researchers, engineers and technicians, and laboratory professionals use it when instruments report in Kelvin. It also suits anyone working with absolute temperature measurements.
What Is This Converter Used For?
People use it for scientific and thermodynamic calculations, physics and chemistry experiments, and engineering and industrial applications. It also supports temperature standardization, understanding absolute zero and energy states, and educational and academic purposes. For other units, see the length converter, the weight converter or the unit converter, which brings every category together.
How to Use the Fahrenheit to Kelvin Converter
Choose the scale
Select Fahrenheit or Kelvin as the input unit, or press the swap button to reverse the direction.
Enter the temperature
Type a value, move the slider, or tap a quick card such as absolute zero or water boiling.
Read the result
The converted temperature appears instantly. Press the convert button if you prefer to confirm it.
Explore the extras
Open Temperature Difference, Formula, Reference or Comparison to see the gap between two readings, the equation or everyday temperatures.