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Temperature Converter
Free online Temperature Converter tool
Quick Reference
Water Freezing: 0°C = 32°F = 273.15K
Water Boiling: 100°C = 212°F = 373.15K
Absolute Zero: -273.15°C = -459.67°F = 0K
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Frequently Asked Questions
Celsius (°C) and Fahrenheit (°F) are two different temperature scales. Celsius is based on the freezing point (0°C) and boiling point (100°C) of water at standard atmospheric pressure. Fahrenheit uses 32°F as the freezing point and 212°F as the boiling point of water. The conversion formula is: °F = (°C × 9/5) + 32.
Kelvin (K) is the SI unit of temperature and is used primarily in scientific work. The main difference is that Kelvin starts at absolute zero (0K = -273.15°C), which is the theoretical lowest possible temperature. The size of one Kelvin degree is the same as one Celsius degree, so the conversion is simple: K = °C + 273.15.
The triple point of water is a unique temperature and pressure condition where water can exist simultaneously in all three states: solid (ice), liquid (water), and gas (vapor). This occurs at exactly 273.16K (0.01°C) and a pressure of 611.657 pascals. It's used as a reference point for temperature measurements.
The Planck temperature is the highest possible temperature in the universe, approximately 1.41679 × 10^32 Kelvin. It's a theoretical limit where quantum gravitational effects become significant. This temperature was present during the first instant of the Big Bang.
Our temperature converter uses precise mathematical formulas and maintains high precision in calculations. The conversions are accurate to several decimal places, making it suitable for both everyday use and scientific applications. All calculations are performed locally in your browser for instant results.
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