Converters

Temperature Converter

Convert temperatures between Celsius (°C), Fahrenheit (°F), and Kelvin (K) with instant formula steps.

77
Converted Result
77 °F

Conversion Formula: (25°C × 9/5) + 32 = 77.00°F

All Temperature Scales

Celsius (°C)25 °C
Fahrenheit (°F)77 °F
Kelvin (K)298.15 K
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About the Temperature Converter

Temperature conversion is vital for international travelers, weather tracking, culinary baking temperatures, scientific experiments, and engineering thermodynamic calculations.

How to Use the Temperature Converter

  1. 1Input your temperature value.
  2. 2Select the source scale (°C, °F, or K).
  3. 3Select your desired target scale to view the result.
  4. 4Read the step-by-step arithmetic formula breakdown below the conversion output.

How It Works & Underlying Logic

Celsius and Fahrenheit differ both in scale factor (9/5 or 1.8) and zero-point offset (32 degrees). Kelvin is an absolute thermodynamic scale whose degree increments match Celsius with an absolute zero offset of 273.15.

Mathematical Formula / Rule°F = (°C × 9/5) + 32 | °C = (°F - 32) × 5/9 | K = °C + 273.15

Practical Calculation Examples

Room Temperature

Converting 20°C room temperature to Fahrenheit

Input: 20°C to °F
Output: 68°F

Human Body Temperature

Standard 98.6°F body temperature in Celsius

Input: 98.6°F to °C
Output: 37.0°C

Helpful Tips & Best Practices

  • -40° is the unique crossover point where Celsius and Fahrenheit are exactly equal (-40°C = -40°F).
  • Water freezes at 0°C (32°F / 273.15 K) and boils at 100°C (212°F / 373.15 K) at standard atmospheric pressure.

Temperature Converter FAQ

Absolute zero is 0 Kelvin (-273.15°C or -459.67°F), the theoretical lowest possible temperature where thermodynamic entropy reaches its minimum.

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