Converter f para c (°F para °C)

1 °F = -17.222222°C. Alterne perfeitamente entre categorias de medição, calcule matrizes de unidades em tempo real e copie resultados instantaneamente.

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Temperatura Converter

Decimals:

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Formula: --

⚡ All Temperature Scales

Real-time simultaneous conversions across standard thermodynamic and regional scales.

Auto-synchronized

Celsius

Metric standard (Water freezes at 0°, boils at 100°)

°C

-- °C

Fahrenheit

US customary scale (Water freezes at 32°, boils at 212°)

°F

-- °F

Kelvin

SI thermodynamic absolute zero reference

-- K

Rankine

Absolute thermodynamic scale using Fahrenheit increments

°R

-- °R

Réaumur

Historical scale (Water freezes at 0°, boils at 80°)

°Ré

-- °Ré

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Step-by-Step Mathematical Derivation

Verified SI Standard

➡️ Convert f to c

Value in °C = Value in °F × 0.5555556

To convert any quantity from f to c, multiply the quantity by the constant conversion factor 0.5555556.

⬅️ Convert c to f (Inverse)

Value in °F = Value in °C × 1.8

To reverse the operation, multiply your c figure by 1.8 (or divide by 0.5555556).

🔢 Step-by-Step Calculation Procedure:

Identify the starting value in f (°F).
Apply the exact linear conversion factor: 1 °F = 0.5555556 °C.
Multiply the input value by 0.5555556 to obtain the exact measurement in c (°C).
Verify precision against standard BIPM / NIST SP 811 statutory guidelines.

⚡

All-Units Instant Matrix

Live Computed

c --

°C

f --

°F

k --

r --

°R

reaumur --

°Ré

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Printable Reference Cheat Sheet

Generate clean offline reference PDF tables for Temperature

Temperature Reference Sheet

Standard SI Base Unit: 1 c

aiunitconverters.com

10/14/2026

Unit Name	Symbol	System	Equivalent in c
Celsius	°C	Standard	1 °C = 1 c
Fahrenheit	°F	Standard	1 °F = 0.5555555555555556 c
Kelvin	K	Standard	1 K = 1 c
Rankine	°R	Standard	1 °R = 0.5555555555555556 c
Réaumur	°Ré	Standard	1 °Ré = 1.25 c

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Academic & Research Citation Exporter

Cite this mathematical formula and conversion factor in research papers and wikis

BibTeX / APA / IEEE

@misc{ai_unit_converter_f_to_c,
  author       = {AI Unit Converters Standards Board},
  title        = {Exact f to c Conversion Factor and Mathematical Derivation},
  year         = {2026},
  howpublished = {\url{https://aiunitconverters.com/pt/temperature/fahrenheit-to-celsius}},
  note         = {Derived from NIST Special Publication 811 and BIPM SI Brochure}
}

AI Unit Converters. (2026). f to c conversion formula & metric standard. Retrieved from https://aiunitconverters.com/pt/temperature/fahrenheit-to-celsius

[1] AI Unit Converters Standards Board, "f to c conversion factor," 2026. [Online]. Available: https://aiunitconverters.com/pt/temperature/fahrenheit-to-celsius. [Accessed: Oct 14, 2026].

\[ 1\text{ f} = \text{factor} \times 1\text{ c} \]

📊Tabelas de Referência

f (°F)c (°C)

-40°F	-40°C
-20°F	-28.8889°C
0°F	-17.7778°C
10°F	-12.2222°C
20°F	-6.6667°C
25°F	-3.8889°C
30°F	-1.1111°C
37°F	2.7778°C
50°F	10°C
75°F	23.8889°C
100°F	37.7778°C
150°F	65.5556°C
200°F	93.3333°C
250°F	121.1111°C
300°F	148.8889°C
500°F	260°C

c (°C)f (°F)

-40°C	-40°F
-20°C	-4°F
0°C	32°F
10°C	50°F
20°C	68°F
25°C	77°F
30°C	86°F
37°C	98.6°F
50°C	122°F
75°C	167°F
100°C	212°F
150°C	302°F
200°C	392°F
250°C	482°F
300°C	572°F
500°C	932°F

Categorias Populares

f → c f → k f → r f → reaumur