temperature converter
Convert between Celsius, Fahrenheit, Kelvin and Rankine instantly. No sign-up.
Temperature reference
| Absolute zero | −273.15°C |
| Absolute zero | −459.67°F |
| Water freezes | 0°C / 32°F |
| Body temp | 37°C / 98.6°F |
| Water boils | 100°C / 212°F |
| Oven (moderate) | 180°C / 356°F |
| Oven (hot) | 220°C / 428°F |
Formulas
°C → °F
°F = (°C × 9/5) + 32
°F → °C
°C = (°F − 32) × 5/9
°C → K
K = °C + 273.15
°F → Rankine
°R = °F + 459.67
FAQ
What is Kelvin?
Kelvin is the SI base unit of temperature. 0 K is absolute zero — the lowest possible temperature. It has no negative values.
At what temperature are Celsius and Fahrenheit equal?
At −40°. Both scales meet at −40°C = −40°F.
Is my data stored?
No — all conversions run in your browser.