Temperature Converter

Convert between different temperature scales.

Temperature Scale Converter (Celsius, Fahrenheit, Kelvin)

Thermal Scale Physics

Convert between Celsius (°C), Fahrenheit (°F), Kelvin (K), and Rankine (°R) temperature scales with exact thermodynamic formulas.

Quick Guide & Formulas

Unlike linear distance or weight units, temperature scales differ in both their incremental unit size and their zero-point reference (freezing point of water vs absolute zero). This converter applies exact thermodynamic transformation formulas across weather forecasting, cooking, and scientific research.

How to Use This Tool

1Enter the temperature value in the input box.
2Select the origin scale (e.g. Celsius, Fahrenheit, or Kelvin).
3Choose the target thermal scale to view the converted degrees.
4Reference the benchmark chart below for freezing, room, body, and boiling temperatures.

Key Rules & Formulas

Celsius to Fahrenheit: °F = (°C × 9/5) + 32
Fahrenheit to Celsius: °C = (°F - 32) × 5/9
Celsius to Kelvin: K = °C + 273.15 (0 K represents Absolute Zero).

Convert Temperature

From

How to use the Temperature Converter

1.Enter the value you want to convert in the left input field.

2.Select the unit you are converting from in the left dropdown.

3.Select the unit you want to convert to in the right dropdown.

4.The result will appear instantly in the right input field and summary box.

Understanding Temperature Scales

Temperature conversion is unique because different scales have different zero points. Unlike length or weight, you cannot just multiply by a factor; you often need to add or subtract an offset.

°C

Celsius: Used globally. Water freezes at 0°C and boils at 100°C.

°F

Fahrenheit: Used mainly in the US. Water freezes at 32°F and boils at 212°F.

Kelvin: The absolute thermodynamic temperature scale used in science. 0 K is absolute zero.

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