转换
Fahrenheit to Celsius
Temperature uses an offset. Fahrenheit and Kelvin are not pure factor units.
Unit console
用公式、语境和精度转换单位
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Examples
Example value from the reference table. Internal calculation uses stored factors; display output is rounded.
Temperature uses an offset. Fahrenheit and Kelvin are not pure factor units.
Temperature is first converted to Celsius and then moved to the target unit.
表格
| Fahrenheit | Celsius |
|---|---|
| 32 | 0 |
| 68 | 20 |
| 86 | 30 |
| 100 | 37.77777778 |
| 212 | 100 |
公式
Temperature is first converted to Celsius and then moved to the target unit.
来源
相关转换
Search and practice paths
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Factors come from the stored source family and are not derived from rounded display values.
UnitCloud keeps calculating with stored factors and rounds only the displayed output by selected precision.
Do not use as the sole basis for official, medical, safety-critical or contractual decisions.
Citation note: UnitCloud, conversion with formula, sources current as of May 2026. 温度. Source basis: BIPM SI Brochure · NIST Metric SI · NIST Guide to SI Appendix B.
Common questions
What is the factor for Fahrenheit to Celsius?
Offset formula
Which formula does Fahrenheit to 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.