Temperature Converter

Free temperature conversion tools. Convert between Celsius, Fahrenheit, Kelvin, Rankine, and Réaumur — plus advanced thermal engineering unit converters.

Basic Temperature Converters

• Celsius to Fahrenheit
• Fahrenheit to Celsius
• Celsius to Kelvin
• Kelvin to Celsius
• Fahrenheit to Kelvin
• Kelvin to Fahrenheit
• Rankine to Kelvin
• Réaumur to Kelvin

Thermal Engineering Converters

• Triple Point of Water to Kelvin (273.16 K)
• Temperature Interval (?T) Converter
• Thermal Expansion Converter
• Thermal Resistance Converter (R-value)
• Thermal Conductivity Converter
• Specific Heat Capacity Converter
• Heat Density Converter
• Heat Flux Density Converter
• Heat Transfer Coefficient Converter