Temperature & Phase

°C ↔ °F ↔ K with quick reference points: ice/steam, dry ice, liquid N₂, room temp, body, autoclave.

How to use this tool

Convert a temperature between Celsius, Fahrenheit, and Kelvin. Type into any one box and the other two update instantly.

What to enter

Celsius (°C): the everyday lab scale; water freezes at 0, boils at 100.
Fahrenheit (°F): common in US settings.
Kelvin (K): the absolute scale used in gas-law and thermodynamic calculations; 0 K is absolute zero. Fill in whichever one you already know.

Reading the result

The other two scales fill in automatically, and a context label names a familiar reference point near that temperature (room temperature, body heat, autoclave, dry ice…) so you can sanity-check the value.

Worked example

25 °C equals 77 °F and 298.15 K, flagged as ambient / lab temperature.

Set any one

Celsius

°C

Everyday lab scale, water freezes at 0, boils at 100. Fahrenheit

°F

Common in US settings. Type here to convert the other way. Kelvin

Absolute scale for gas-law and thermodynamic work; 0 K is absolute zero.

Reference points

Context

The phase-context label names a familiar reference point near your temperature, a quick sanity-check that you typed the value on the right scale, plus a safety cue at the extremes.

Methodology

Standard conversions: F = 9/5·C + 32; K = C + 273.15. Context labels come from a small table of common reference points.