Free Online Temperature Converter
Free online temperature converter for Celsius, Fahrenheit, Kelvin, and Rankine. Instant results for cooking, weather, science labs, and travel.
Common Use Cases
- °C to °F for weather and ovens.
- °F to °C for international recipes.
- Kelvin for science labs.
- Rankine for some US engineering tables.
Understanding the Conversion
Convert temperature scales: Celsius, Fahrenheit, Kelvin, and Rankine. Pick a converter below for formulas and examples (e.g. °C↔°F for weather and cooking).
Kelvin starts at absolute zero; Rankine is Fahrenheit-based absolute scale for engineering.
FAQs
Celsius to Fahrenheit formula?
°F = (°C × 9/5) + 32. Example: 0°C = 32°F, 100°C = 212°F.
What is absolute zero in °C?
About −273.15°C (0 K).
Oven 350°F in Celsius?
About 177°C—use the Fahrenheit-to-Celsius page for exact value.
Kelvin vs Celsius?
K = °C + 273.15. Same step size; Kelvin has no negative values in nature.