Kelvin to Celsius Converter
Convert between Kelvin and Celsius temperatures with precision - perfect for scientific and engineering applications
Temperature Conversion Calculator
Enter temperature in Kelvin (absolute temperature scale)
Enter temperature in degrees Celsius
Conversion Results
Common Temperature Conversions
Kelvin to Celsius
Celsius to Kelvin
Practical Examples
Absolute Zero
Temperature: 0 K (absolute zero)
Calculation: 0 - 273.15 = -273.15°C
Significance: The coldest possible temperature in the universe
Water Freezing Point
Temperature: 273.15 K
Calculation: 273.15 - 273.15 = 0°C
Application: Standard reference point for temperature scales
Room Temperature
Temperature: 298.15 K
Calculation: 298.15 - 273.15 = 25°C
Usage: Standard conditions for scientific measurements
Temperature Scale Facts
Kelvin Scale
Absolute temperature scale starting at absolute zero
Named after Lord Kelvin (William Thomson)
Celsius Scale
Based on water's freezing (0°C) and boiling points (100°C)
Named after Anders Celsius
Key Relationship
273.15 K = 0°C (water's freezing point)
Same degree size, different zero points
Quick Tips
Kelvin is always positive (starts at absolute zero)
Kelvin doesn't use degree symbols (just "K")
Both scales have the same degree size
Quick approximation: K ≈ °C + 273
Kelvin is the SI base unit for temperature
Understanding Kelvin and Celsius Temperature Scales
What are Kelvin and Celsius?
Kelvin is an absolute temperature scale that starts at absolute zero (0 K = -273.15°C), the theoretical point where all atomic motion stops. Celsius is a relative scale based on water's properties at standard atmospheric pressure.
When to Use Each Scale
- •Kelvin: Scientific calculations, thermodynamics, physics
- •Celsius: Weather, cooking, everyday temperature measurements
Conversion Formulas
Kelvin to Celsius: °C = K - 273.15
Celsius to Kelvin: K = °C + 273.15
Important Reference Points
• Absolute zero: 0 K = -273.15°C
• Water freezes: 273.15 K = 0°C
• Room temperature: ~298 K = ~25°C
• Water boils: 373.15 K = 100°C