All-in-One Temperature Converter

Convert between Celsius, Fahrenheit, and Kelvin all in one place.

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Celsius (°C)
°C
Water freezes: 0°C
Water boils: 100°C
Body temp: 37°C
Fahrenheit (°F)
°F
Water freezes: 32°F
Water boils: 212°F
Body temp: 98.6°F
Kelvin (K)
K
Absolute zero: 0 K
Water freezes: 273.15 K
Water boils: 373.15 K
Quick Reference Temperatures
Conversion Formulas
Celsius ↔ Fahrenheit
°F = (°C × 9/5) + 32
°C = (°F - 32) × 5/9
Celsius ↔ Kelvin
K = °C + 273.15
°C = K - 273.15
Fahrenheit ↔ Kelvin
K = (°F - 32) × 5/9 + 273.15
°F = (K - 273.15) × 9/5 + 32
Common Temperature References
Description Celsius Fahrenheit Kelvin
Absolute Zero -273.15°C -459.67°F 0 K
Liquid Nitrogen -196°C -321°F 77 K
Dry Ice -78.5°C -109°F 194.65 K
Same in C & F -40°C -40°F 233.15 K
Water Freezes 0°C 32°F 273.15 K
Room Temperature 20-22°C 68-72°F 293-295 K
Human Body 37°C 98.6°F 310.15 K
Water Boils 100°C 212°F 373.15 K
Oven (Hot) 200°C 392°F 473.15 K
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