Converters
Temperature Converter
Convert temperatures between Celsius, Fahrenheit, and Kelvin with instant results.
Result
212.00
Usage notes
- Water freezes at 0 °C / 32 °F / 273.15 K.
- Water boils at 100 °C / 212 °F / 373.15 K.
- Absolute zero is 0 K / −273.15 °C / −459.67 °F.
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How to Use This Tool
- 1Enter a temperature value in the input field.
- 2Select the source scale (From) and target scale (To).
- 3The converted temperature appears instantly. Use Swap to reverse the direction.
Frequently Asked Questions
- What is the formula for Celsius to Fahrenheit?
- °F = (°C × 9/5) + 32. For example, 100°C = (100 × 1.8) + 32 = 212°F (the boiling point of water).
- What is the formula for Fahrenheit to Celsius?
- °C = (°F − 32) × 5/9. For example, 72°F = (72 − 32) × 0.5556 = 22.22°C (a comfortable room temperature).
- What is Kelvin used for?
- Kelvin is the SI base unit for temperature used in science and engineering. It starts at absolute zero (the coldest possible temperature). 0 K = −273.15°C = −459.67°F.
- What is normal body temperature?
- Normal human body temperature is approximately 37°C / 98.6°F / 310.15 K. However, normal range varies between 36.1°C and 37.2°C.
- At what temperature do Celsius and Fahrenheit equal?
- −40 is the same in both scales: −40°C = −40°F. This is the only point where the two scales intersect.