degree Fahrenheit to degree Celsius
Live degree Fahrenheit (°F) to degree Celsius (°C) converter. Plus a 10-value reference table and FAQs.
換算表
10 個示例值，從degree Fahrenheit到degree Celsius。任意值請用上方換算器。
| degree Fahrenheit (°F) | → | degree Celsius (°C) |
|---|---|---|
| 0.001 °F | → | -17.777222 °C |
| 0.01 °F | → | -17.772222 °C |
| 0.1 °F | → | -17.722222 °C |
| 0.5 °F | → | -17.5 °C |
| 1 °F | → | -17.222222 °C |
| 2 °F | → | -16.666667 °C |
| 5 °F | → | -15 °C |
| 10 °F | → | -12.222222 °C |
| 100 °F | → | 37.777778 °C |
| 1,000 °F | → | 537.777778 °C |
關於degree Fahrenheit
Water freezes at 32°, boils at 212°. Common in the US.
關於degree Celsius
Water freezes at 0°, boils at 100° at standard pressure.
How degree Fahrenheit to degree Celsius conversion works
Temperature scales are affine: the result needs both a scale factor and a zero-point offset. That is why °F to °C cannot be reduced to a simple percentage change.
The right unit depends on the convention used by your industry, country, instrument, or source document.
Unit definitions and conversion factors are maintained in the Unitbox methodology. Last reviewed with the current conversion dataset.
常見問題
Frequently Asked Questions
How do I convert degree Fahrenheit to degree Celsius?
Multiply the degree Fahrenheit value by -17.222222 to get it in degree Celsius. For example, 10 °F = -12.2222 °C.
What is 1 °F in °C?
1 °F = -17.222222 °C.
What is 100 °F in °C?
100 °F = 37.7778 °C.
What is the formula?
Temperature is an affine quantity. The formula depends on the source and target scales; °F → °C uses: T(°C) = T(°F) × 0.555556 + -17.777778, then applies the inverse on the other side.
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