Celsius
°C
Fahrenheit
°F
Kelvin
K
Rankine
°R
Temperature Conversion Reference
Conversion Formulas:
• Kelvin = Celsius + 273.15
• Celsius = (Fahrenheit - 32) × 5/9
• Fahrenheit = (Celsius × 9/5) + 32
• Rankine = Fahrenheit + 459.67
Key Reference Points:
• Absolute Zero: 0 K = -273.15°C = -459.67°F = 0°R
• Water Freezing: 273.15 K = 0°C = 32°F = 491.67°R
• Room Temp: 293.15 K = 20°C = 68°F = 527.67°R
• Water Boiling: 373.15 K = 100°C = 212°F = 671.67°R
Scale Information:
• Celsius: Most widely used scale worldwide
• Fahrenheit: Common in US and some territories
• Kelvin: Scientific absolute temperature scale
• Rankine: Fahrenheit-based absolute scale