Temperature Converter-- C, F, K, R

Convert between Celsius, Fahrenheit, Kelvin, and Rankine.

Temperature Converter Tool

Result will appear here...

Why Use Our Temperature Converter?

4 Scales

Celsius, Fahrenheit, Kelvin, Rankine.

Instant Results

Real-time conversion.

100% Secure

All local, no server.

Convert All

See all scales at once.

One-Click Copy

Copy results instantly.

Free Forever

No signup, no limits.

Other Converter Tools

Temperature Guide

Temperature measures the thermal energy of a system. The four main scales are: Celsius (water freezes at 0, boils at 100), Fahrenheit (water freezes at 32, boils at 212), Kelvin (absolute scale starting at absolute zero, used in science), and Rankine (absolute scale based on Fahrenheit, used in some engineering fields).

Key reference points: absolute zero = 0 K = -273.15C = -459.67F, water freezes = 273.15 K = 0C = 32F, water boils = 373.15 K = 100C = 212F, body temperature = 310.15 K = 37C = 98.6F.