Temperature Converter

Convert between Celsius, Fahrenheit, Kelvin, and Rankine temperature scales with precision.

From:

To:

0

Celsius

0°C
Metric scale

Fahrenheit

32°F
Imperial scale

Kelvin

273K
Absolute scale

Rankine

492°R
Absolute Fahrenheit

Temperature Scales

Celsius (°C)

Water freezes at 0°C, boils at 100°C. Used in most countries.

Fahrenheit (°F)

Water freezes at 32°F, boils at 212°F. Used in US and a few other countries.

Kelvin (K)

Absolute temperature scale. 0K is absolute zero. Used in science.

Rankine (°R)

Absolute Fahrenheit scale. Used in engineering and thermodynamics.

Conversion Formulas

°C to °F
°F = (°C × 9/5) + 32
°F to °C
°C = (°F - 32) × 5/9
°C to K
K = °C + 273.15
°F to °R
°R = °F + 459.67