Fahrenheit to Celsius (°F to °C) Converter
How to convert Fahrenheit To Celsius
°C = (°F − 32) × 5/9.
To convert fahrenheit to celsius, use the formula: °C = (°F − 32) × 5/9. Enter any value in the input field above and the result appears instantly. Click the ⇄ button to reverse the conversion direction.
All conversions use precise mathematical constants validated against international SI standards (NIST and ISO 80000), accurate to 8 significant figures.
Frequently Asked Questions
How many Celsiuss are in one Fahrenheit?
°C = (°F − 32) × 5/9. Formula: °C = (°F − 32) × 5/9. Enter any temperature in Fahrenheit to convert to Celsius.
What is the formula to convert Fahrenheit to Celsius?
°C = (°F − 32) × 5/9. Multiply the Fahrenheit value by the conversion factor to get Celsius.
How do I convert Celsius To Fahrenheit?
Use the Celsius To Fahrenheit converter — formula: °F = (°C × 9/5) + 32. Click the ⇄ switch button above for the reverse conversion.
Is this Fahrenheit to Celsius converter free?
Yes — completely free, no registration required. Works instantly in your browser using precise mathematical constants validated against SI standards.