Kelvin to Fahrenheit (K to °F)
Free online kelvin to fahrenheit converter. Type a value, get an instant exact result — plus the formula, a ready-made conversion table, and reverse conversion.
TEMPERATURE CONVERTER — INSTANT RESULT
Formula: °F = (K − 273.15) × 9/5 + 32
Kelvin to Fahrenheit conversion table
| Kelvin (K) | Fahrenheit (°F) |
|---|---|
| 1 K | -457.87 °F |
| 2 K | -456.07 °F |
| 3 K | -454.27 °F |
| 4 K | -452.47 °F |
| 5 K | -450.67 °F |
| 6 K | -448.87 °F |
| 7 K | -447.07 °F |
| 8 K | -445.27 °F |
| 9 K | -443.47 °F |
| 10 K | -441.67 °F |
| 15 K | -432.67 °F |
| 20 K | -423.67 °F |
| 25 K | -414.67 °F |
| 30 K | -405.67 °F |
| 40 K | -387.67 °F |
| 50 K | -369.67 °F |
| 75 K | -324.67 °F |
| 100 K | -279.67 °F |
| 250 K | -9.67 °F |
| 500 K | 440.33 °F |
| 1,000 K | 1,340.33 °F |
How to convert kelvin to fahrenheit
Temperature scales have different zero points, so use the formula shown: °F = (K − 273.15) × 9/5 + 32.
Convert between Celsius, Fahrenheit, Kelvin, Rankine and Réaumur temperature scales. Temperature conversion uses affine formulas rather than multiplication because the scales have different zero points.
Frequently asked questions
How many fahrenheit are in one kelvin?
Use the converter above — enter 1 in the value field and select Kelvin → Fahrenheit.
How do I convert K to °F?
Enter your value above and choose Kelvin as the source and Fahrenheit as the target unit.
Is this K to °F converter free?
Yes — every ToolsEngg converter is free, runs entirely in your browser, and requires no sign-up.