Temperature Converter
unit-converter
Convert between Celsius, Fahrenheit, Kelvin, and Rankine. Offset-aware formulas. All Unit Conversions panel included.
Convert Temperature
Formula will appear here
All Unit Conversions
Common Temperature Conversions
Reference values for weather, health, cooking, and engineering. Click a row to open the matching dedicated temperature converter with that input pre-filled.
Dedicated converters (Celsius, Fahrenheit, Kelvin, Rankine — all 12 directed pairs)
12 pages — each pair with fixed input/output, formulas, examples, and conversion tables.
- celsius to fahrenheit (Celsius to Fahrenheit)
- celsius to kelvin (Celsius to Kelvin)
- celsius to rankine (Celsius to Rankine)
- fahrenheit to celsius (Fahrenheit to Celsius)
- fahrenheit to kelvin (Fahrenheit to Kelvin)
- fahrenheit to rankine (Fahrenheit to Rankine)
- kelvin to celsius (Kelvin to Celsius)
- kelvin to fahrenheit (Kelvin to Fahrenheit)
- kelvin to rankine (Kelvin to Rankine)
- rankine to celsius (Rankine to Celsius)
- rankine to fahrenheit (Rankine to Fahrenheit)
- rankine to kelvin (Rankine to Kelvin)
Common questions (FAQ)
10 quick answers with guides and links to the matching converter.
- How do you convert Celsius to Fahrenheit?
- How do you convert Fahrenheit to Celsius?
- How do you convert Celsius to Kelvin?
- How do you convert Kelvin to Celsius?
- How do you convert Fahrenheit to Kelvin?
- How do you convert Kelvin to Fahrenheit?
- How are kelvin and rankine related?
- How do you convert Fahrenheit to Rankine?
- How do you convert Celsius to Rankine?
- How do you convert Rankine to Celsius?
Temperature Converter Guide
Quick start
- Enter a value and pick source and target scales. The result updates as you type.
- Use swap to reverse scales and copy to copy the result. Temperature uses offsets—not just multiplying by a ratio.
- The All Unit Conversions panel lists your value in Celsius, Fahrenheit, and Kelvin at once.
Formulas & deeper content
Need worked examples and tables for one direction (e.g. Celsius to Fahrenheit)? Open a dedicated converter from the list below.
Short answers to common questions are in the FAQ section. Celsius–Kelvin uses a 273.15 offset here.
Example uses
- Weather: °C and °F forecasts.
- Cooking: oven and recipe temperatures.
- Science: kelvin for physics and chemistry.