🌡️ Celsius ↔ Fahrenheit Converter
Free °C ↔ °F Temperature Converter
Easily convert Celsius (°C) to Fahrenheit (°F) and vice versa. Essential for travel, cooking, and weather information!
🌡️Celsius and Fahrenheit Relationship Definition
Celsius and Fahrenheit are temperature units. Water freezes at 0°C = 32°F, and boils at 100°C = 212°F. The US primarily uses Fahrenheit.
20°C = 0°F
°F = (°C × 9/5) + 32
Common Temperature Reference
| Situation | °C | °F |
|---|---|---|
| Water freezes | 0 | 32 |
| Winter weather | 5 | 41 |
| Spring/Fall | 15 | 59 |
| Room temp | 20-22 | 68-72 |
| Summer weather | 30 | 86 |
| Body temp | 37 | 98.6 |
| Water boils | 100 | 212 |
📝How to Use
1
Enter temperature
Enter Celsius or Fahrenheit value to convert.
2
Select direction
Choose °C→°F or °F→°C direction.
3
View result
Converted temperature displays automatically.
📊Examples
Room Temp
20°C
→ 68°F
US Summer
95°F
→ 35°C (very hot)
Baking
350°F oven
→ About 177°C
❓Frequently Asked Questions
Formula to convert F to C?
°C = (°F - 32) × 5/9
Formula to convert C to F?
°F = (°C × 9/5) + 32
What is 70°F weather?
About 21°C, comfortable cool weather.
Body temperature 37°C in F?
About 98.6°F. US hospitals use this standard.
What is oven 350°F in C?
About 177°C. Common baking temperature.
💡활용 팁
- •Quick estimate: (°F - 30) ÷ 2 ≈ °C for mental math.
- •US weather: 50°F = 10°C (cool), 70°F = 21°C (nice), 90°F = 32°C (hot)
- •American recipes usually use Fahrenheit for oven temperatures.
- •-40°C = -40°F is the only temperature where both scales are equal.