Temperature Converter
Convert between Fahrenheit, Celsius, and Kelvin with instant results and formulas shown.
Enter a temperature in any field — all other scales update instantly.
Key Reference Points
Formulas: °C to °F = (°C × 9/5) + 32 · °C to K = °C + 273.15
Temperature Scale Formulas
°C to °F: multiply by 9/5, then add 32. °F to °C: subtract 32, then multiply by 5/9. °C to K: add 273.15. K to °C: subtract 273.15.
Common Temperature Reference Points
Water freezes: 32°F / 0°C. Water boils: 212°F / 100°C. Room temperature: ~72°F / 22°C. Body temperature: 98.6°F / 37°C. Absolute zero: −459.67°F / −273.15°C / 0 K.
Frequently Asked Questions
- Subtract 32 from the Fahrenheit value, then multiply by 5/9. Formula: °C = (°F − 32) × 5/9
- Absolute zero (0 K) is −459.67°F or −273.15°C.
- Fahrenheit and Celsius are equal at −40 degrees (−40°F = −40°C).
- Normal body temperature is approximately 37°C (98.6°F).