Conversions
Temperature Converter
Convert between Celsius, Fahrenheit, and Kelvin
How to Use the Temperature Converter
Convert temperatures between Celsius, Fahrenheit, and Kelvin scales instantly. Perfect for cooking, weather, science, and travel.
- Enter a temperature value in any scale (Celsius, Fahrenheit, or Kelvin).
- Select the unit you're converting from.
- The calculator will automatically show the equivalent in all three scales.
- Use the conversion for recipes, weather reports, or scientific calculations.
Temperature Conversion Formulas
Understanding the mathematical relationships between temperature scales helps verify conversions.
Celsius to Fahrenheit
Multiply Celsius by 9/5, then add 32.
Example:
Input: 25°C
Calculation: °F = (25 × 9/5) + 32 = 45 + 32
Result: 77°F
Fahrenheit to Celsius
Subtract 32 from Fahrenheit, then multiply by 5/9.
Example:
Input: 77°F
Calculation: °C = (77 - 32) × 5/9 = 45 × 5/9
Result: 25°C
Celsius to Kelvin
Add 273.15 to Celsius to get Kelvin.
Example:
Input: 25°C
Calculation: K = 25 + 273.15
Result: 298.15 K
Kelvin to Celsius
Subtract 273.15 from Kelvin to get Celsius.
Example:
Input: 298.15 K
Calculation: °C = 298.15 - 273.15
Result: 25°C
Real-World Use Cases
Temperature conversion is essential in cooking, science, travel, and everyday life.
Cooking & Baking
Convert oven temperatures between Celsius and Fahrenheit for recipes.
Example: Recipe calls for 180°C - convert to 356°F for Fahrenheit oven
Weather Reports
Understand weather forecasts when traveling to countries using different temperature scales.
Example: Forecast shows 22°C in Paris - that's 72°F for American travelers
Scientific Research
Convert between Kelvin and Celsius for physics and chemistry calculations.
Example: Room temperature is approximately 298 K or 25°C
Medical Applications
Convert body temperature readings between scales.
Example: Normal body temperature is 98.6°F or 37°C
International Travel
Understand local temperature readings when visiting different countries.
Example: Convert 30°C to 86°F to understand warm weather in Celsius-using countries
Tips & Best Practices
Tips
- Remember that -40° is the same in both Celsius and Fahrenheit.
- Water freezes at 0°C (32°F) and boils at 100°C (212°F).
- Use these reference points to quickly estimate conversions.
- For cooking, round to nearest 5-10 degrees for practical use.
- Kelvin is always positive (absolute zero is 0 K, which is -273.15°C).
Common Mistakes to Avoid
- Forgetting to add or subtract 32 in Fahrenheit conversions.
- Multiplying instead of dividing (or vice versa) when converting.
- Using the wrong formula direction (Celsius to Fahrenheit vs. Fahrenheit to Celsius).
- Not accounting for significant figures in scientific calculations.
- Confusing Kelvin with Celsius (they have the same increment but different zero points).