Convert f to c

About °F to °C

This conversion scales values from a smaller temperature unit to a larger one. That usually decreases the numeric value when going from °F to °C.

Fahrenheit

Definition: Fahrenheit (°F) is a temperature scale commonly used in the United States.

History/Origin: The scale was introduced in the 18th century and remains in daily use in US weather and home settings.

Current use: Fahrenheit is used for weather forecasts, ovens, and thermostat settings in the US.

Celsius

Definition: Celsius (°C) is a temperature scale where water freezes near 0 °C and boils near 100 °C at standard pressure.

History/Origin: The Celsius scale evolved from the centigrade concept and is the standard in science and most countries.

Current use: Celsius is used in weather reports, industrial control systems, and scientific measurements.

Fahrenheit to Celsius Conversion Table

How to Convert Fahrenheit to Celsius

1 °F = -17.2222222222 °C

1 °C = 33.8 °F

Formula: (value - 32) × 5/9

Example: 25 °F = -3.8888888889 °C

1. Start with the value in Fahrenheit (°F).
2. Apply this temperature equation: (value - 32) × 5/9.
3. The output is the equivalent value in Celsius (°C).

Common Use Cases for °F to °C

• Convert °F to °C when sharing temperature values across teams that use different unit standards.
• Use this direction in spreadsheets and automation flows where inputs are recorded in °F but reporting is required in °C.
• Apply the °F → °C conversion when validating supplier, lab, or field values against your internal benchmarks.

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