Temperature Converter: Celsius, Fahrenheit, Kelvin Explained
Temperature is one of the most commonly converted measurements. Three scales dominate: Celsius (most of the world), Fahrenheit (US), and Kelvin (science). Understanding how they relate...
Temperature Converter
Convert between Celsius, Fahrenheit, and Kelvin
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Formula
Formula
°C to °F: ×9/5+32; °F to °C: -32×5/9; °C to K: +273.15; K to °C: -273.15
All conversions go through Celsius. Kelvin is absolute scale (0 K = -273.15°C). Fahrenheit has 180° between freeze/boil vs 100° for Celsius.
How to Calculate Manually
- 1 Enter the temperature value
- 2 Select the source unit (°C, °F, or K)
- 3 Select the target unit
- 4 Calculator converts through Celsius
- 5 Shows converted temperature
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Reference Table
| Description | Celsius | Fahrenheit | Kelvin |
|---|---|---|---|
| Absolute Zero | -273.15 | -459.67 | 0 |
| Water Freezes | 0 | 32 | 273.15 |
| Room Temperature | 20-22 | 68-72 | 293-295 |
| Body Temperature | 37 | 98.6 | 310.15 |
| Water Boils | 100 | 212 | 373.15 |
Frequently Asked Questions
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How do I convert Celsius to Fahrenheit?
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What is absolute zero?
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Why does water freeze at 32°F?
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