Temperature conversion
509 °F to °C
265 °C
509 degrees Fahrenheit = 265 degrees Celsius. Exact factor: °C = (°F − 32) × 5/9.
Live converter
Edit either field — the other updates instantly. Type decimal values like 38.4.
The formula
°C = (°F − 32) × 5/9
Worked example: (509 − 32) × 5/9 = 265 °C.
Values near 509 °F
| °F | °C |
|---|---|
| 506 | 263.33 |
| 507 | 263.89 |
| 508 | 264.44 |
| 509this page | 265 |
| 510 | 265.56 |
| 511 | 266.11 |
| 512 | 266.67 |
Frequently asked
How do you convert degrees Fahrenheit to degrees Celsius?
Apply the formula °C = (°F − 32) × 5/9. Enter any value in the live converter above and the result updates as you type.
What is 509 °F in °C?
509 °F equals 265 °C. The reference table below shows the values immediately around 509 °F.
Why does temperature conversion add 32?
The two scales have different zero points and step sizes. Water freezes at 32 °F but 0 °C, so the formula rescales by 5/9 and shifts by the 32-degree offset.