Fahrenheit is a temperature scale used mainly in the United States.
Fahrenheit to Delisle
Convert fahrenheit (°F) to delisle (°De) instantly. Free online temperature converter with formulas, tables and examples.
Reserved for a responsive leaderboard above the conversion details.
Professional calculator style
World-scale conversion engine
30+ categories
6,500+ units
Instant results
Offline ready
Converter
Length Converter
Convert metric, imperial, and nautical distance units.
Context values
Some unit families need one extra value for a physically accurate result.
Delisle is a historical temperature scale where 0° represents the boiling point of water.
°De = 530/3 − (°F × 5/6)
Results update instantly for Fahrenheit to Delisle conversions.
Reserved above the conversion cards and below the converter.
Formula
°De = 530/3 − (°F × 5/6)
°F = 212 − (°De × 6/5)
Conversion table
| -40.00 °F | 210.00 °De |
| -4.00 °F | 180.00 °De |
| 32.00 °F | 150.00 °De |
| 50.00 °F | 135.00 °De |
| 68.00 °F | 120.00 °De |
| 77.00 °F | 112.50 °De |
| 86.00 °F | 105.00 °De |
| 98.60 °F | 94.50 °De |
| 212.00 °F | 0.00 °De |
Related conversions
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
What is the source unit in this conversion?
The source unit is Fahrenheit (°F). Fahrenheit is a temperature scale used mainly in the United States.
What is the destination unit in this conversion?
The destination unit is Delisle (°De). Delisle is a historical temperature scale where 0° represents the boiling point of water.
How do I convert Fahrenheit to Delisle?
Use the formula °De = 530/3 − (°F × 5/6). For example, converting a sample value follows the same equation shown in the conversion table above.
Is the Fahrenheit to Delisle conversion exact?
Yes. The relationship between the two scales is a fixed linear equation, so the conversion is mathematically exact with no rounding of constants.
Where is this conversion commonly used?
Temperature conversions like this one appear in science, engineering, weather reporting, and historical or regional references that still use Delisle.
Can I convert Delisle back to Fahrenheit?
Yes. Use the reverse formula °F = 212 − (°De × 6/5) to convert Delisle back to Fahrenheit.
Reserved between the FAQ and the article so the page stays balanced.
About this conversion
This page converts Fahrenheit (°F) into Delisle (°De), two scales used to measure temperature.
Fahrenheit to Delisle conversions come up in science, engineering, weather reporting, and historical references, depending on which scale is in use.
The formula is °De = 530/3 − (°F × 5/6), a linear equation that accounts for both the scale factor and the zero-point offset between the two scales.
The conversion is exact: it uses fixed constants defined by the relationship between the two scales, not a measured or approximate factor.
Fahrenheit is a temperature scale used mainly in the United States. Delisle is a historical temperature scale where 0° represents the boiling point of water.