Temperature Conversion Calculator

Convert between Celsius, Fahrenheit, Kelvin, Rankine, Réaumur, and Delisle with instant results.

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All Temperature Conversions

See your temperature in all supported units

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Boiling Point (Water)
100°C
212°F · 373.15K
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Freezing Point (Water)
0°C
32°F · 273.15K
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Room Temperature
20°C
68°F · 293.15K
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Absolute Zero
-273.15°C
0K · -459.67°F
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Temperature Scales Explained

Understanding different temperature units

🌡️ Scientific Disclaimer: This temperature conversion calculator uses standard thermodynamic formulas. Results are accurate for practical purposes. For precise scientific measurements, consider significant figures and measurement uncertainty. Kelvin is the SI base unit for temperature.
Temperature Conversion Calculator  •  Supports 6 temperature scales  •  For educational purposes