ucUnitCloudInternational unit matrix

Converti

Fahrenheit a Celsius

Temperature uses an offset. Fahrenheit and Kelvin are not pure factor units.

Unit console

Convertire unità con formula, contesto e precisione

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Da1 °F
Risultato-17,22222222 °C
FactorOffset formula
Source basisBIPM SI Brochure · NIST Metric SI · NIST Guide to SI Appendix B

Examples

0132 °F = 0 °C

Example value from the reference table. Internal calculation uses stored factors; display output is rounded.

02Errore comune

Temperature uses an offset. Fahrenheit and Kelvin are not pure factor units.

03Unità base: °C

Temperature is first converted to Celsius and then moved to the target unit.

Tabella

FahrenheitCelsius
320
6820
8630
10037,77777778
212100

Formula

Temperature is first converted to Celsius and then moved to the target unit.

Fonti

BIPM SI BrochureSI base units, prefixes and official SI context.NIST Metric SICurrent NIST SI overview after retirement of the historic SI Units site.NIST Guide to SI Appendix BNIST conversion-factor method and non-SI factors.

Conversioni collegate

Celsius a Fahrenheit°C → °FTemperaturaKelvin a CelsiusK → °CTemperaturaCelsius a Kelvin°C → KTemperatura

Search and practice paths

Search and practice paths

FormulaTabellaExamplesErrore comuneEveryday/engineeringExcel/CSVConvertitore batchPrint view
Factor origin

Factors come from the stored source family and are not derived from rounded display values.

Rounding rule

UnitCloud keeps calculating with stored factors and rounds only the displayed output by selected precision.

When not to use

Do not use as the sole basis for official, medical, safety-critical or contractual decisions.

Citation

Citation note: UnitCloud, conversion with formula, sources current as of May 2026. Temperatura. Source basis: BIPM SI Brochure · NIST Metric SI · NIST Guide to SI Appendix B.

Common questions

What is the factor for Fahrenheit a Celsius?

Offset formula

Which formula does Fahrenheit a Celsius use?

Temperature is first converted to Celsius and then moved to the target unit.

When should I verify the result?

Do not use as the sole basis for official, medical, safety-critical or contractual decisions.