Free Temperature Converter - Master Temperature Conversions

Our comprehensive temperature converter allows you to instantly convert between Celsius (°C), Fahrenheit (°F), and Kelvin (K) temperature scales. Whether you're cooking international recipes, studying science, checking weather forecasts, or traveling abroad, this calculator provides accurate temperature conversions with detailed formulas and explanations.

Supported Temperature Conversions

  • • Celsius to Fahrenheit - Most common conversion
  • • Fahrenheit to Celsius - For international use
  • • Celsius to Kelvin - Scientific applications
  • • Kelvin to Celsius - Laboratory calculations
  • • Fahrenheit to Kelvin - Advanced conversions
  • • Kelvin to Fahrenheit - Engineering uses

Key Features & Benefits

  • • Instant real-time temperature conversion
  • • All major temperature scales supported
  • • Step-by-step conversion formulas
  • • Temperature benchmark references
  • • Common conversion quick charts
  • • Conversion history tracking

Temperature conversion is essential for cooking, science, weather monitoring, and international communication. Our converter uses precise mathematical formulas to ensure accuracy for all your temperature conversion needs, from everyday cooking to scientific research.

Temperature Converter Tool

Common Temperature Conversions Chart

Celsius to Fahrenheit

0°C=32°F
20°C=68°F
30°C=86°F
100°C=212°F

Fahrenheit to Celsius

32°F=0°C
68°F=20°C
86°F=30°C
212°F=100°C

Celsius to Kelvin

0°C=273.15K
20°C=293.15K
30°C=303.15K
100°C=373.15K

Temperature Conversion Applications & Uses

Weather & Climate

Converting between scales is essential for international weather reports, climate data analysis, and travel planning across different countries.

Cooking & Baking

International recipes often use different temperature scales. Convert oven temperatures, candy making, and food safety temperatures accurately.

Scientific Research

Scientists need precise temperature conversions for experiments, data analysis, and international collaboration in research projects.

International Travel

Travelers need to understand local temperature scales to dress appropriately, plan activities, and interpret weather forecasts.

Temperature Scale Comparison & History

Celsius Scale (°C)

Key Facts:

  • • Created by Anders Celsius (1742)
  • • Water freezes at 0°C
  • • Water boils at 100°C
  • • Used worldwide (metric system)
  • • Standard in science and medicine

Fahrenheit Scale (°F)

Key Facts:

  • • Created by Daniel Fahrenheit (1724)
  • • Water freezes at 32°F
  • • Water boils at 212°F
  • • Used primarily in United States
  • • Common in weather reports

Kelvin Scale (K)

Key Facts:

  • • Created by Lord Kelvin (1848)
  • • Absolute zero at 0K (-273.15°C)
  • • No negative temperatures
  • • SI base unit for temperature
  • • Used in scientific calculations

Understanding Temperature Conversion Formulas

Most Common Conversions

Celsius to Fahrenheit

°F = (°C × 9/5) + 32

Multiply Celsius by 1.8, then add 32

Fahrenheit to Celsius

°C = (°F - 32) × 5/9

Subtract 32 from Fahrenheit, then multiply by 0.556

Kelvin Conversions

Celsius to Kelvin

K = °C + 273.15

Simply add 273.15 to Celsius temperature

Kelvin to Celsius

°C = K - 273.15

Subtract 273.15 from Kelvin temperature

Quick Conversion Tips

Mental Math Shortcuts:

  • • Double Celsius and add 30 ≈ Fahrenheit (rough estimate)
  • • Celsius + 273 ≈ Kelvin (close approximation)
  • • (Fahrenheit - 30) ÷ 2 ≈ Celsius (rough estimate)

Remember These:

  • • Room temperature: 20°C = 68°F = 293K
  • • Body temperature: 37°C = 98.6°F = 310K
  • • Absolute zero: -273.15°C = -459.67°F = 0K