Value & Scale
25
77
298,15
536,67
Key Temperature Reference Points
Mathematical Conversion Formulas:
How it works
1
Type your temperature value into the input field.
2
Select the source scale (°C, °F, K, or °R).
3
Inspect synchronized values calculated across all temperature scales with one-click copy.
4
Click benchmark buttons (Absolute Zero, Human Body, Water Boiling) to test standard reference points.
Frequently asked questions
Is it really free?
Yes. The site is supported by ads, so you never pay or need to create an account.
What is Absolute Zero?
Absolute Zero (-273.15 °C or 0 K) is the lowest theoretical temperature, at which particles have minimal thermal motion.
What is the formula to convert Celsius to Fahrenheit?
Multiply Celsius by 9/5 (1.8) and add 32. For example: 20 °C × 1.8 + 32 = 68 °F.
Does it work on mobile?
Yes. The page adapts to your screen and does not require installing any app.