Kelvin to Fahrenheit Converter
Convert between Kelvin and Fahrenheit temperatures with precision - essential for scientific and engineering calculations
Temperature Conversion Calculator
Enter temperature in Kelvin (absolute temperature scale)
Enter temperature in degrees Fahrenheit
Conversion Results
Common Temperature Conversions
Kelvin to Fahrenheit
Fahrenheit to Kelvin
Practical Examples
Absolute Zero
Temperature: 0 K (absolute zero)
Calculation: (0 × 1.8) - 459.67 = -459.67°F
Significance: The coldest possible temperature in the universe
Water Freezing Point
Temperature: 273.15 K
Calculation: (273.15 × 1.8) - 459.67 = 31.73°F
Note: Close to 32°F due to different reference points
Room Temperature
Temperature: 298 K
Calculation: (298 × 1.8) - 459.67 = 76.73°F
Usage: Comfortable indoor temperature
Temperature Scale Facts
Kelvin Scale
Absolute temperature scale starting at absolute zero
Used in scientific calculations worldwide
Fahrenheit Scale
Based on water's freezing (32°F) and boiling points (212°F)
Commonly used in the United States
Key Relationship
273.15 K = 31.73°F (water's freezing point)
Different degree sizes and zero points
Quick Tips
Kelvin is always positive (starts at absolute zero)
Kelvin doesn't use degree symbols (just "K")
Multiply by 1.8, then subtract 459.67 for K to °F
Add 459.67, then divide by 1.8 for °F to K
0 K = -459.67°F (absolute zero)
Understanding Kelvin and Fahrenheit Temperature Scales
What are Kelvin and Fahrenheit?
Kelvin is an absolute temperature scale that starts at absolute zero (0 K = -459.67°F), where all atomic motion stops. Fahrenheit is a relative scale commonly used in the United States, based on the freezing and boiling points of water at standard atmospheric pressure.
When to Use Each Scale
- •Kelvin: Scientific calculations, physics, chemistry, thermodynamics
- •Fahrenheit: Weather forecasts, cooking, everyday use in the US
Conversion Formulas
Kelvin to Fahrenheit: °F = (K × 1.8) - 459.67
Fahrenheit to Kelvin: K = (°F + 459.67) ÷ 1.8
Important Reference Points
• Absolute zero: 0 K = -459.67°F
• Water freezes: 273.15 K = 31.73°F
• Room temperature: ~298 K = ~77°F
• Water boils: 373.15 K = 211.73°F