Curated conversion
degree Fahrenheit to degree Celsius
Temperature scales use an exact affine relationship with both a scale and an offset. The workspace below calculates live; the table shows reference values.
Quick measure
LiveΘ
Source reading
INPUTEnter or paste a value
Converted reading
RESULTCalculated result
Relationship
Canonical base conversion
Temperature scales use an exact affine relationship with both a scale and an offset. Both units convert through the canonical base of their dimension, so the relationship is always exact when both definitions are exact.
Reference table
Common values
| °F | °C | Status |
|---|---|---|
| 1 | -17.2222 | Live |
| 5 | -15 | Live |
| 10 | -12.2222 | Live |
| 68 | 20 | Live |
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