Celsius to Fahrenheit – Temperature Converter
Convert Celsius to Fahrenheit and back. Also converts to Kelvin.
About This Calculator
Convert Celsius to Fahrenheit and back. Also converts to Kelvin. Use the calculator above for instant results.
Worked Examples
Example 1: 100°C (boiling water)
- 100 × 9/5 + 32 = 212°F
Answer: 212°F
Example 2: 0°C (freezing)
- 0 × 9/5 + 32 = 32°F
Answer: 32°F
Example 3: 37°C (body temperature)
- 37 × 9/5 + 32 = 98.6°F
Answer: 98.6°F
Who Uses This Calculator?
Travelers
Convert weather temperatures abroad.
Cooks
Convert oven temperatures.
Scientists
Temperature unit conversion.
Weather Watchers
Understand foreign weather forecasts.
Common Mistakes to Avoid
❌ Forgetting to add 32
F = C × 9/5 + 32. The +32 is essential — many people forget it.
❌ Celsius vs Centigrade
Both mean the same thing. Celsius is the modern official name; Centigrade is older but still understood.
Frequently Asked Questions
°C to °F formula?
F = C × 9/5 + 32. Or: double the Celsius, subtract 10%, add 32 (quick mental math).
°F to °C formula?
C = (F - 32) × 5/9.
Key temperatures?
0°C = 32°F (freeze). 20°C = 68°F (room temp). 37°C = 98.6°F (body). 100°C = 212°F (boil).