Fahrenheit to Kelvin Converter
免费温度转换器, 即时换算摄氏度、华氏度和开尔文（含公式）
1Fahrenheit=255.9277777778Kelvin
1 Kelvin = -457.87 Fahrenheit
Fahrenheit
- Symbol
- °F
- System
- Metric/Imperial
- Dimension
- Various
Kelvin
- Symbol
- K
- System
- Metric/Imperial
- Dimension
- Various
Quick Reference Table
| Fahrenheit | Kelvin | Kelvin | Fahrenheit |
|---|---|---|---|
| 1 | 255.9277777778 | 1 | -457.87 |
| 2 | 256.4833333333 | 2 | -456.07 |
| 3 | 257.0388888889 | 3 | -454.27 |
| 5 | 258.15 | 5 | -450.67 |
| 10 | 260.9277777778 | 10 | -441.67 |
| 25 | 269.2611111111 | 25 | -414.67 |
| 50 | 283.15 | 50 | -369.67 |
| 100 | 310.9277777778 | 100 | -279.67 |
| 500 | 533.15 | 500 | 440.33 |
| 1000 | 810.9277777778 | 1000 | 1340.33 |
Conversion Formula
Kelvin = Fahrenheit × 255.9277777778
Fahrenheit = Kelvin × -457.87
Factors are from BIPM SI brochure and NIST SP 811, stored unrounded and computed via a base unit. Reverse factor is 1 ÷ 255.9277777778.
How to convert Fahrenheit to Kelvin
Multiply the value in fahrenheit by 255.9277777778 to get kelvin. For example, 5 Fahrenheit = 258.15 Kelvin. All results in the 温度 converter update instantly as you type, so you can see every unit at once without manual math.
Common mistakes
Do not round the factor to 255. too early — keep full precision until the final display. For 温度, always verify critical calculations (medicine, engineering) with a second source.
FAQ
- How many Kelvin in 1 Fahrenheit?
- 1 Fahrenheit = 255.9277777778 Kelvin.
- How many Fahrenheit in 1 Kelvin?
- 1 Kelvin = -457.87 Fahrenheit.
- What is the source?
- BIPM/NIST via OmniConverter base-unit engine. Source table and formula above are exact.
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