Convert Fahrenheit to Celsius Online

About Fahrenheit to Celsius Conversion

This converter converts Fahrenheit (°F) to Celsius (°C). One Fahrenheit (°F) equals 0.5555555556 Celsius (°C).

Formula:

1 Fahrenheit (°F) = 0.5555555556 Celsius (°C)

Example:

1 °F = 0.5555555556 °C
2 °F = 1.1111111112 °C

Fahrenheit (°F) to Celsius (°C) Conversion

A clear guide to converting Fahrenheit into Celsius. Includes numeric examples, formulas, and a breakdown of where this conversion appears in science, engineering, and daily applications.

Conversion Formula

Celsius = Fahrenheit × 0.555556

To convert Fahrenheit (°F) to Celsius (°C), multiply the value by 0.555556. This factor is obtained by comparing their exact meter definitions.

Worked Example

Convert 1 F to C.

  • Step 1: Write the formula: C = F × 0.555556
  • Step 2: Substitute: 1 × 0.555556
  • Step 3: Result: 0.555556 C
So, 1 F = 0.555556 C.

About the Units

Fahrenheit (°F)

One Fahrenheit (°F) equals 0.555556 Celsius (°C)

A widely used unit across scientific, engineering, and measurement contexts.

Celsius (°C)

One Celsius (°C) equals 1.8 Fahrenheit (°F)

A widely used unit across scientific, engineering, and measurement contexts.

Where This Conversion Is Used

  • Converting values from Fahrenheit to Celsius for engineering or scientific workflows.
  • Used when normalizing mixed-unit datasets requiring consistent Celsius representation.
  • Applied when comparing different measurement systems across tools and documents.

Frequently Asked Questions

How many Celsius (°C) are in 1 Fahrenheit (°F)?

1 F = 0.555556 C.

What is the formula for converting Fahrenheit (°F) to Celsius (°C)?

Multiply the F value by 0.555556.

Can I reverse the conversion?

Yes. 1 C = 1.8 F.

Conclusion

By applying the conversion factor shown above, you can reliably convert Fahrenheit (°F) to Celsius (°C) for use in scientific analysis, engineering calculations, academic work, or daily measurements.

Convert Fahrenheit to Other Units

Fahrenheit to Kelvin

1 F = 0.5555555556 K

1 Fahrenheit (°F) = 0.5555555556 Kelvin (K)

1 F equals 0.5555555556 K.

Fahrenheit to Celsius

1 F = 0.5555555556 C

1 Fahrenheit (°F) = 0.5555555556 Celsius (°C)

1 F equals 0.5555555556 C.

Fahrenheit to Rankine

1 F = 1 R

1 Fahrenheit (°F) = 1 Rankine (°R)

1 F equals 1 R.

Fahrenheit to Delisle

1 F = 0.8333333333583334 D

1 Fahrenheit (°F) = 0.8333333333583334 Delisle (°D)

1 F equals 0.8333333333583334 D.

Fahrenheit to Newton

1 F = 0.18333333334818336 N

1 Fahrenheit (°F) = 0.18333333334818336 Newton (°N)

1 F equals 0.18333333334818336 N.

Fahrenheit to Réaumur

1 F = 0.44444444448000003 Re

1 Fahrenheit (°F) = 0.44444444448000003 Réaumur (°Ré)

1 F equals 0.44444444448000003 Re.

Fahrenheit to Rømer

1 F = 0.2916666666841667 Ro

1 Fahrenheit (°F) = 0.2916666666841667 Rømer (°Rø)

1 F equals 0.2916666666841667 Ro.

Convert Celsius to Other Units

Celsius to Kelvin

1 C = 1 K

1 Celsius (°C) = 1 Kelvin (K)

1 C equals 1 K.

Celsius to Fahrenheit

1 C = 1.799999999856 F

1 Celsius (°C) = 1.799999999856 Fahrenheits (°F)

1 C equals 1.799999999856 ves.

Celsius to Rankine

1 C = 1.799999999856 R

1 Celsius (°C) = 1.799999999856 Rankines (°R)

1 C equals 1.799999999856 Rs.

Celsius to Delisle

1 C = 1.499999999925 D

1 Celsius (°C) = 1.499999999925 Delisles (°D)

1 C equals 1.499999999925 Ds.

Celsius to Newton

1 C = 0.33000000000033003 N

1 Celsius (°C) = 0.33000000000033003 Newton (°N)

1 C equals 0.33000000000033003 N.

Celsius to Réaumur

1 C = 0.8 Re

1 Celsius (°C) = 0.8 Réaumur (°Ré)

1 C equals 0.8 Re.

Celsius to Rømer

1 C = 0.5249999999895 Ro

1 Celsius (°C) = 0.5249999999895 Rømer (°Rø)

1 C equals 0.5249999999895 Ro.