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Temperature Converter
Convert between 4 different temperature units instantly. Free, accurate, and easy to use.
Available Temperature Units
Celsius
c
Fahrenheit
f
Kelvin
k
Rankine
r
Popular Temperature Conversions
Frequently Asked Questions
How do I convert Celsius to Fahrenheit?
To convert Celsius to Fahrenheit, multiply by 9/5 and add 32. Formula: °F = (°C × 9/5) + 32.
What is absolute zero in different temperature scales?
Absolute zero is 0 Kelvin, -273.15°C, or -459.67°F. It is the lowest possible temperature.
Why does the US use Fahrenheit?
The US adopted Fahrenheit before the metric system was developed. It remains in use due to historical inertia and cultural familiarity.