Temperature Converter
Convert temperatures between Celsius, Fahrenheit, Kelvin, and Rankine
Temperature Input
Enter temperature value and select units
Conversion Result
Temperature converted to selected unit
All Conversions
Quick Reference
Temperature Scales Guide
Temperature Scales
Celsius (°C)
Based on water's freezing (0°C) and boiling (100°C) points. Most commonly used worldwide.
Fahrenheit (°F)
Water freezes at 32°F and boils at 212°F. Primarily used in the United States.
Kelvin (K)
Absolute temperature scale starting at absolute zero (-273.15°C). Used in scientific applications.
Rankine (°R)
Absolute scale using Fahrenheit degrees. Primarily used in engineering applications.
Conversion Formulas
Celsius ↔ Fahrenheit
°F = (°C × 9/5) + 32
°C = (°F - 32) × 5/9
Celsius ↔ Kelvin
K = °C + 273.15
°C = K - 273.15
Fahrenheit ↔ Rankine
°R = °F + 459.67
°F = °R - 459.67
Common Applications
- Weather and climate monitoring
- Cooking and food safety
- Scientific research and experiments
- Industrial processes and manufacturing
- Medical and healthcare applications
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