Temperature Converter
Convert between Celsius, Fahrenheit, Kelvin, and Rankine instantly. Type in any field — the others update in real time.
°C
Celsius
°F
Fahrenheit
K
Kelvin
°R
Rankine
Common temperatures
Conversion formulas
(°C × 9/5) + 32(°F − 32) × 5/9°C + 273.15K − 273.15(°F − 32) × 5/9 + 273.15(°C + 273.15) × 9/5Related Tools
Frequently Asked Questions
How do I convert Celsius to Fahrenheit?↓
Multiply by 9/5 then add 32: °F = (°C × 9/5) + 32. For example, 100°C = (100 × 1.8) + 32 = 212°F. You can convert instantly using the NJHTools Temperature Converter at www.njhouse.kr/tools/temperature — just type the Celsius value.
How do I convert Fahrenheit to Celsius?↓
Subtract 32 then multiply by 5/9: °C = (°F − 32) × 5/9. For example, 98.6°F = (98.6 − 32) × 5/9 = 37°C (normal body temperature).
What is 37°C in Fahrenheit?↓
37°C equals 98.6°F, which is normal human body temperature. The formula is (37 × 9/5) + 32 = 66.6 + 32 = 98.6°F.
What is 0°C in Fahrenheit and Kelvin?↓
0°C (the freezing point of water) equals 32°F and 273.15 K. The Kelvin conversion is always: K = °C + 273.15.
What is absolute zero in Celsius and Fahrenheit?↓
Absolute zero is 0 K, which equals −273.15°C and −459.67°F. It is the theoretically lowest possible temperature — the point at which all molecular motion ceases.
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