Temperature Converter

Free Online Temperature Converter - Celsius, Fahrenheit, Kelvin

Convert between Celsius (°C), Fahrenheit (°F), and Kelvin (K) temperature units. Use for weather, cooking, and science.

🌡️ What is Temperature?

Temperature measures the thermal state of an object. Celsius (°C) is based on water freezing at 0° and boiling at 100°. Fahrenheit (°F) is mainly used in the US, and Kelvin (K) is used in science.

🌡️ Temperature Comparison

Type°C°FK
Boiling Point100°C212°F373.15K
Body Temp36.5°C97.7°F309.65K
Room Temp25°C77°F298.15K
Freezing Point0°C32°F273.15K
Freezer-18°C0°F255.15K
Absolute Zero-273.15°C-459.67°F0K

💡 Conversion Formulas

  • °F = °C × 9/5 + 32
  • °C = (°F - 32) × 5/9
  • K = °C + 273.15
  • Body temp 36.5°C = 97.7°F
  • Freezer -18°C = 0°F