Overview
Use this tool to convert temperature values from Fahrenheit to Celsius with the standard formula: subtract 32, then multiply by 5/9. It is useful when you need to interpret weather readings, recipe temperatures, appliance settings, or temperature logs without doing the math by hand. The result is shown in Celsius so you can compare temperatures in metric units right away. If you enter decimal Fahrenheit values, the converter handles them as numbers and returns a matching decimal Celsius result.
Use cases
- Weather report comparisonConvert a US weather forecast like 86°F into Celsius to compare it with local temperatures.
- Recipe temperature adjustmentCheck oven or food temperatures written in Fahrenheit when following a recipe or cooking guide.
- Equipment and thermostat readingsTranslate thermostat or machine readings from Fahrenheit into Celsius for documentation or calibration notes.
How it works
- 1
Enter a Fahrenheit temperature value into the input field.
- 2
The tool applies the Fahrenheit-to-Celsius formula automatically.
- 3
Read the Celsius result and reuse it for notes, comparisons, or records.
Examples
Warm day reading
Input: 68 °F
Output: 20 °C
A typical room or mild outdoor temperature converted to Celsius.
High summer temperature
Input: 95 °F
Output: 35 °C
Shows how a hot-weather reading appears in Celsius.
Decimal input
Input: 72.5 °F
Output: 22.5 °C
Demonstrates how the converter handles fractional Fahrenheit values.
FAQ
What formula does this converter use?
It uses the standard formula: Celsius = (Fahrenheit - 32) × 5/9.
Can I enter decimal temperatures?
Yes. Values like 72.5°F are accepted and converted to a decimal Celsius result.
Why does the Celsius result sometimes include decimals?
Many Fahrenheit values do not map to whole Celsius numbers, so a decimal result is mathematically correct.
What mistake should I avoid when reading the result?
Do not confuse the sign or units. A Fahrenheit input always produces a Celsius output, so the displayed number is not still in °F.