Temperature Converter

How are the units related?

Celsius and Fahrenheit are the most common scales, while Kelvin is the scientific absolute scale starting from absolute zero. The converter uses the standard formulas, so all three rows always agree.

What are the conversion formulas?

To convert Celsius to Fahrenheit multiply by 9/5 and add 32. Fahrenheit to Celsius subtracts 32 and multiplies by 5/9. Kelvin is Celsius shifted by 273.15 degrees.

Where is each unit used?

• Celsius is the standard for weather and daily life in most countries.
• Fahrenheit is common in the United States for weather and cooking.
• Kelvin is used in science and engineering for absolute temperatures.

Can I type decimals?

Yes. Decimals like 21.5 are accepted, and the other two units are rounded to six digits for readability. Type into any of the three rows and the rest update instantly.

Is it accurate?

The formulas are exact, and the display rounds only for a cleaner result. Use the tool to convert recipes, weather forecasts, or lab values without doing the math by hand.