Temperature Converter
Convert between Celsius, Fahrenheit, and Kelvin in real time. Type a value in any box and the other two update instantly.
The formulas
- °C → °F: (°C × 9/5) + 32
- °F → °C: (°F − 32) × 5/9
- °C → K: °C + 273.15
Handy reference points
- Water freezes: 0 °C = 32 °F = 273.15 K
- Body temperature: 37 °C = 98.6 °F
- Water boils: 100 °C = 212 °F = 373.15 K
- Absolute zero: −273.15 °C = 0 K
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Frequently asked questions
What is 25°C in Fahrenheit?
25 °C is 77 °F, using the formula (25 × 9/5) + 32 = 77.
What is normal body temperature in Fahrenheit?
About 98.6 °F, which is 37 °C.
What is absolute zero?
Absolute zero is the lowest possible temperature: 0 Kelvin, or −273.15 °C (−459.67 °F).