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Fahrenheit to Celsius Converter
Convert Fahrenheit to Celsius with a live thermometer, temperature landmarks, related scales, common values and batch results.
Live result · exact formula · visual context · batch conversionDegrees Fahrenheit → Degrees Celsius
Subtract 32 from Fahrenheit, then multiply the remainder by 5/9 to obtain Celsius.
Live conversion result
Converted value
Temperature landmark scale
The marker places the converted temperature between common reference points.
—Equivalent values in related units
Common real-world values
Choose a useful reference value or enter your own value above.
Conversion table
The table uses useful values for this exact unit pair.
| Starting value (°F) | Converted value (°C) |
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Convert several values at once
Enter values separated by semicolons, spaces or new lines. Up to 50 values are processed at once.
| Starting value (°F) | Converted value (°C) |
|---|
Exact conversion relationship
Subtract 32 from Fahrenheit, then multiply the remainder by 5/9 to obtain Celsius.
Where this conversion is useful
Fahrenheit-to-Celsius conversion is useful for international weather, oven settings, healthcare information, travel and scientific communication.
Understanding the result
Water freezes at 32 °F or 0 °C and boils at 212 °F or 100 °C at standard atmospheric pressure. The two scales meet at −40 degrees.
Weather, body and cooking temperatures
Use the converted number in the correct context. Medical and food-safety decisions require appropriate instruments and professional guidance.
Precision and rounding
The calculator keeps full numerical precision internally and rounds only the displayed values. Match the displayed precision to the accuracy of your original measurement.
Zero is accepted and converts correctly.
Batch conversion for lists and records
Paste a short list to create a clean two-column result table for specifications, logs, planning notes or comparisons.
More quick unit-pair converters
Continue with the reverse direction, another popular pair or the complete category converter.
Fahrenheit to Celsius Converter – Frequently asked questions
How do I convert Fahrenheit to Celsius?
Subtract 32 from Fahrenheit, then multiply by 5/9.
What is 68 degrees Fahrenheit in Celsius?
Sixty-eight degrees Fahrenheit equals 20 degrees Celsius.
At what temperature are Fahrenheit and Celsius equal?
The two scales have the same numerical value at −40 degrees.
What is 98.6 Fahrenheit in Celsius?
A temperature of 98.6 °F equals 37 °C.
Can I enter a negative temperature?
Yes. The converter supports temperatures below zero.
Why does the formula subtract 32?
The Fahrenheit freezing point is 32 degrees while the Celsius freezing point is zero.
Can I convert several values together?
Yes. Enter up to 50 Fahrenheit values in the batch tool.
Where can I compare Kelvin?
The result cards include Kelvin, and the full Temperature Converter offers more scales.