Instant Unit Conversion
Convert Celsius to Fahrenheit (°C to °F)
Exact formula, conversion factors, live calculator, and reference charts for celsius to fahrenheit.
Method reviewed:Exact defined factors — international yard and pound (1959), US customary gallon and cup, SI — the values NIST SP 811 lists · reviewed September 2026
Direct AnswerFormula: °F = (°C × 9/5) + 32
To convert Celsius to Fahrenheit, multiply the temperature by 1.8 (or 9/5) and add 32. For example, 20°C equals (20 × 1.8) + 32 = 68°F.
Live Celsius to Fahrenheit Calculator
Formula:
°F = (°C × 9/5) + 32Open full temperature converter →Celsius to Fahrenheit Conversion Table
Quick reference conversion chart from 1 to 100 celsius.
| Celsius (°C) | Fahrenheit (°F) | Mathematical Formula |
|---|---|---|
| 1 °C | 33.8 °F | 1 × 9/5 + 32 |
| 2 °C | 35.6 °F | 2 × 9/5 + 32 |
| 5 °C | 41.0 °F | 5 × 9/5 + 32 |
| 10 °C | 50.0 °F | 10 × 9/5 + 32 |
| 15 °C | 59.0 °F | 15 × 9/5 + 32 |
| 20 °C | 68.0 °F | 20 × 9/5 + 32 |
| 25 °C | 77.0 °F | 25 × 9/5 + 32 |
| 50 °C | 122.0 °F | 50 × 9/5 + 32 |
| 75 °C | 167.0 °F | 75 × 9/5 + 32 |
| 100 °C | 212.0 °F | 100 × 9/5 + 32 |
Frequently Asked Questions
What temperature is Celsius equal to Fahrenheit?
At −40° (−40°C = −40°F), both temperature scales read the exact same value.
What is 100°C in Fahrenheit?
100°C (the boiling point of water at standard sea level) is equal to 212°F.
What is normal body temperature in °C and °F?
Normal human body temperature is approximately 37°C or 98.6°F.