Temperature Converter
Convert between all temperature scales with precision
Converter
Common Temperatures
Temperature Scales
Celsius (°C)
Inventor: Anders Celsius (1742)
Absolute Zero: −273.15 °C
Freezing / Boiling: 0 °C / 100 °C
Most widely used temperature scale worldwide.
Fahrenheit (°F)
Inventor: Daniel Fahrenheit (1724)
Absolute Zero: −459.67 °F
Freezing / Boiling: 32 °F / 212 °F
Primarily used in the United States.
Kelvin (K)
Inventor: Lord Kelvin (1848)
Absolute Zero: 0 K
Freezing / Boiling: 273.15 K / 373.15 K
SI base unit of thermodynamic temperature.
Rankine (°R)
Inventor: William Rankine (1859)
Absolute Zero: 0 °R
Freezing / Boiling: 491.67 °R / 671.67 °R
Absolute scale using Fahrenheit degrees.
Réaumur (°Ré)
Inventor: René Antoine Ferchault de Réaumur (1730)
Freezing / Boiling: 0 °Ré / 80 °Ré
Historically used in parts of Europe.
Delisle (°De)
Inventor: Joseph-Nicolas Delisle (1732)
Freezing / Boiling: 150 °De / 0 °De
Inverted scale — higher values mean colder.
Newton (°N)
Inventor: Isaac Newton (~1700)
Freezing / Boiling: 0 °N / 33 °N
One of the earliest temperature scales.
Rømer (°Rø)
Inventor: Ole Christensen Rømer (1701)
Freezing / Boiling: 7.5 °Rø / 60 °Rø
Inspired Fahrenheit's scale development.
Planck (Tᴘ) Theoretical
Based on: Planck units in physics
Value: ≈ 1.41679 × 10³² K
The highest meaningful temperature in physics.
Conversion History
Your conversions will appear here
All Formulas
Celsius → Others
°F = (°C × 9/5) + 32
K = °C + 273.15
°R = (°C + 273.15) × 9/5
°Ré = °C × 4/5
°De = (100 − °C) × 3/2
°N = °C × 33/100
°Rø = °C × 21/40 + 7.5
Tᴘ = (°C + 273.15) / 1.41679×10³²
Others → Celsius
°F → °C: (°F − 32) × 5/9
K → °C: K − 273.15
°R → °C: (°R − 491.67) × 5/9
°Ré → °C: °Ré × 5/4
°De → °C: 100 − °De × 2/3
°N → °C: °N × 100/33
°Rø → °C: (°Rø − 7.5) × 40/21
Tᴘ → °C: Tᴘ × 1.41679×10³² − 273.15