How to convert degrees Celsius to degrees Fahrenheit
Δ°F = Δ°C × 1.8Multiply the value in degrees Celsius by 1.8. To go the other way, multiply by 0.5555555556 (or divide by 1.8).
A degree Celsius is larger than a degree Fahrenheit: one degree Celsius contains 1.8 degrees Fahrenheit.
Worked examples
- 1 degree Celsius (interval)1 Δ°C × 1.8 = 1.8 Δ°F
- 5 degrees Celsius5 Δ°C × 1.8 = 9 Δ°F
- 10 degrees Celsius10 Δ°C × 1.8 = 18 Δ°F
- 20 degrees Celsius20 Δ°C × 1.8 = 36 Δ°F
- 100 degrees Celsius100 Δ°C × 1.8 = 180 Δ°F
Degrees Celsius to degrees Fahrenheit conversion table
Values are calculated by the conversion engine and rounded to 8 significant figures.
| Degrees Celsius (Δ°C) | Degrees Fahrenheit (Δ°F) |
|---|---|
| 0.1 Δ°C | 0.18 Δ°F |
| 0.25 Δ°C | 0.45 Δ°F |
| 0.5 Δ°C | 0.9 Δ°F |
| 1 Δ°C | 1.8 Δ°F |
| 2 Δ°C | 3.6 Δ°F |
| 3 Δ°C | 5.4 Δ°F |
| 4 Δ°C | 7.2 Δ°F |
| 5 Δ°C | 9 Δ°F |
| 6 Δ°C | 10.8 Δ°F |
| 7 Δ°C | 12.6 Δ°F |
| 8 Δ°C | 14.4 Δ°F |
| 9 Δ°C | 16.2 Δ°F |
| 10 Δ°C | 18 Δ°F |
| Degrees Celsius (Δ°C) | Degrees Fahrenheit (Δ°F) |
|---|---|
| 12 Δ°C | 21.6 Δ°F |
| 15 Δ°C | 27 Δ°F |
| 20 Δ°C | 36 Δ°F |
| 25 Δ°C | 45 Δ°F |
| 30 Δ°C | 54 Δ°F |
| 40 Δ°C | 72 Δ°F |
| 50 Δ°C | 90 Δ°F |
| 75 Δ°C | 135 Δ°F |
| 100 Δ°C | 180 Δ°F |
| 250 Δ°C | 450 Δ°F |
| 500 Δ°C | 900 Δ°F |
| 1,000 Δ°C | 1,800 Δ°F |
About the units
Degree Celsius (Δ°C)
A Celsius degree is the same size as a kelvin. One degree Celsius equals 1 kelvin (K).
Degree Fahrenheit (Δ°F)
A Fahrenheit degree is 5/9 of a kelvin, so a 1 °C change equals a 1.8 °F change. One degree Fahrenheit equals 0.5555555556 kelvins (K).
Frequently asked questions
How many degrees Fahrenheit are in one degree Celsius?
There are 1.8 degrees Fahrenheit in one degree Celsius, and this value is exact by definition.
How do I convert degrees Celsius to degrees Fahrenheit?
Multiply the number of degrees Celsius by 1.8. For example, 10 Δ°C × 1.8 = 18 Δ°F.
How many degrees Celsius are in one degree Fahrenheit?
One degree Fahrenheit equals 0.5555555556 degrees Celsius. That is the reverse factor, 1 ÷ 1.8.
What is 10 degrees Celsius in degrees Fahrenheit?
10 Δ°C = 18 Δ°F.
Is this Δ°C to Δ°F converter accurate?
Yes. Both units are defined exactly in terms of SI units, so the conversion factor is exact; results are shown to 12 significant figures by default and you can change precision in the converter. Calculations run in your browser using the same tested engine that generated this page.