Temperature Converter
Convert Celsius, Fahrenheit, and Kelvin.
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Celsius (°C)
Water freezes at 0°C
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Fahrenheit (°F)
Water freezes at 32°F
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Kelvin (K)
Water freezes at 273.15K
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Rankine (°R)
Water freezes at 491.67°R
Temperature Scale Comparison
Water Boiling Point
100°C | 212°F | 373.15K | 671.67°R
Room Temperature
20°C | 68°F | 293.15K | 527.67°R
Body Temperature
37°C | 98.6°F | 310.15K | 558.27°R
Absolute Zero
-273.15°C | -459.67°F | 0K | 0°R
Quick Conversions
Temperature Ranges & Facts
Weather Temperatures
- Extreme cold: Below -40°C (-40°F)
- Very cold: -18°C to 0°C (0°F to 32°F)
- Cool: 0°C to 15°C (32°F to 59°F)
- Mild: 15°C to 25°C (59°F to 77°F)
- Warm: 25°C to 35°C (77°F to 95°F)
- Hot: Above 35°C (95°F)
Cooking Temperatures
- Refrigerator: 4°C (39°F)
- Freezer: -18°C (0°F)
- Safe food storage: 60°C (140°F)
- Pasteurization: 72°C (161°F)
- Chicken done: 74°C (165°F)
- Oven baking: 175°C-200°C (350°F-400°F)
Scientific Facts
- Celsius and Fahrenheit meet at -40°
- Kelvin has no negative values
- 1°C change = 1.8°F change
- Rankine is Fahrenheit + 459.67
- Kelvin is Celsius + 273.15
- Room temperature ≈ 20°C (68°F)
Temperature Converter - Complete Guide
Our advanced temperature converter provides instant, precise conversions between Celsius, Fahrenheit, Kelvin, and Rankine scales. Perfect for cooking, weather analysis, scientific calculations, and educational purposes.
Understanding Temperature Scales
Different temperature scales serve various purposes:
- Celsius (°C): Used worldwide for weather, cooking, and science. Water freezes at 0°C and boils at 100°C.
- Fahrenheit (°F): Common in the United States. Water freezes at 32°F and boils at 212°F.
- Kelvin (K): Scientific absolute temperature scale. Starts at absolute zero (0K = -273.15°C).
- Rankine (°R): Absolute scale based on Fahrenheit degrees, used in engineering.
Temperature Conversion Formulas
Our converter uses these precise formulas:
- Celsius to Fahrenheit: °F = (°C × 9/5) + 32
- Fahrenheit to Celsius: °C = (°F - 32) × 5/9
- Celsius to Kelvin: K = °C + 273.15
- Kelvin to Celsius: °C = K - 273.15
- Fahrenheit to Rankine: °R = °F + 459.67
Common Use Cases
- Cooking & Baking: Converting recipe temperatures between scales
- Weather & Travel: Understanding temperatures in different countries
- Science & Engineering: Technical calculations requiring precise conversions
- Medical Applications: Converting body temperature measurements
- HVAC & Climate Control: Setting optimal temperatures for comfort
Quick Temperature References
Memorize these common conversions:
- 0°C = 32°F: Water freezing point
- 100°C = 212°F: Water boiling point (sea level)
- 37°C = 98.6°F: Normal human body temperature
- 20°C = 68°F: Comfortable room temperature
- -40°C = -40°F: The only point where Celsius and Fahrenheit are equal