About Temperature Converter
Convert between Celsius (°C), Fahrenheit (°F), and Kelvin (K) using standard formulas. Kelvin is the SI unit and is used in science; Celsius and Fahrenheit are common in weather and daily life. Everything runs in your browser — no data is sent to any server.
Frequently Asked Questions
Which temperature scales are supported?
Celsius (°C), Fahrenheit (°F), and Kelvin (K). Standard formulas are used: e.g. F = C × 9/5 + 32, K = C + 273.15.
Is my data sent to a server?
No. All conversion happens in your browser. Nothing is uploaded.
Why does Kelvin show decimals?
Kelvin uses the same scale as Celsius but with zero at absolute zero. We show decimals for precision when converting from Fahrenheit or for scientific use.