Why Convert Degrees Celsius to Degrees Fahrenheit?
Converting between degrees celsius (°C) and degrees fahrenheit (°F) is one of the most common temperature conversions. Whether for engineering, cooking, travel, or science, knowing how to quickly convert °C to °F saves time and prevents errors.
Temperature conversion between °C and °F is crucial for international travelers, medical professionals, and scientists. When traveling abroad, weather forecasts and thermostat settings use different scales — the US uses Fahrenheit while most countries use Celsius. Medical contexts are particularly critical: a body temperature of 37.0°C (98.6°F) is normal, but 38.0°C (100.4°F) indicates fever. In cooking, oven temperatures differ dramatically between recipes from different regions.
How to Convert Degrees Celsius to Degrees Fahrenheit
To convert degrees celsius to degrees fahrenheit, use the following formula:
°F = (°C × 9/5) + 32
Example: 1 °C = 33.8 °F
For example, 5 °C = 41 °F, 10 °C = 50 °F, and 100 °C = 212 °F. Our calculator above performs this conversion instantly with full precision — no rounding errors.
Common Use Cases
- Normal human body temperature: 37 °C = 98.6 °F
- Low-grade fever threshold (airport screening): 37.5 °C = 99.5 °F
- Fever requiring medical attention: 38 °C = 100.4 °F
- Water freezing point: 0 °C = 32 °F
- Water boiling point: 100 °C = 212 °F
Common Mistakes to Avoid
- Linear assumption: Temperature conversion between °C and °F is NOT a simple multiplication — it involves both scaling and offset. Always use the full formula.
- Negative values: Below -40, Celsius and Fahrenheit values diverge significantly. -40°C = -40°F is the only point where they're equal.
- Body temperature precision: Normal body temperature is 37.0°C (98.6°F), but a fever starts at 37.5°C (99.5°F). The 0.5°C difference matters medically.
Pro Tips
- Memorize the factor: 1 °C = 33.8 °F. For quick mental math, remember this base conversion.
- Quick reference: 5 °C = 41 °F · 10 °C = 50 °F · 25 °C = 77 °F · 50 °C = 122 °F · 100 °C = 212 °F
- Bookmark this page: Save this converter for instant access. It works offline once loaded — no internet needed.
Degrees Celsius to Degrees Fahrenheit Conversion Table
| °C | °F |
|---|---|
| -40 °C | -40 °F |
| -20 °C | -4 °F |
| 0 °C | 32 °F |
| 10 °C | 50 °F |
| 20 °C | 68 °F |
| 25 °C | 77 °F |
| 30 °C | 86 °F |
| 37 °C | 98.6 °F |
| 40 °C | 104 °F |
| 50 °C | 122 °F |
| 60 °C | 140 °F |
| 80 °C | 176 °F |
| 100 °C | 212 °F |
All values in this table are mathematically exact per NIST SP 811.