Celsius to Fahrenheit Converter (°C to °F)

Free online temperature conversion tool that instantly converts degrees Celsius (°C) to degrees Fahrenheit (°F) with formulas, detailed steps, and helpful explanations.

Celsius to Fahrenheit Converter

Instantly convert °C to °F for free. Ideal for cooking, travel, and science. Get accurate results in seconds!

Enter temperature between -273.15°C and 1,000,000°C
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Celsius to Fahrenheit Formula

Equation to Convert Celsius to Fahrenheit

°F = (°C × 9/5) + 32

Example: 20°C = (20 × 9/5) + 32 = 68°F

How to Convert Celsius to Fahrenheit

Click each step to see detailed calculation

1

Multiply by 9/5

Multiply the Celsius temperature by 9/5 (or 1.8)
2

Add 32

Add 32 to the result from step 1
3

Final Result

Get the final Fahrenheit temperature result

Celsius to Fahrenheit Conversion Common Mistakes

  • Forgetting to add 32 - Only multiplying by 9/5 will give incorrect results
  • Incorrect order of operations - Adding 32 first and then multiplying by 9/5 is incorrect
  • Using the wrong fraction - Using 2/3 instead of 9/5 is a common error
  • Rounding too early - Rounding intermediate results can lead to inaccuracies

Common Celsius to Fahrenheit Conversions

📄Download the Celsius to Fahrenheit Conversion Chart (PDF)

About Celsius and Fahrenheit Temperature Units

Celsius (°C) is widely used internationally. At standard atmospheric pressure, water freezes at 0°C and boils at 100°C.

Fahrenheit (°F) is primarily used in the United States. At standard atmospheric pressure, water freezes at 32°F and boils at 212°F.

Practical Scenarios for Celsius to Fahrenheit Conversion

Cooking

Oven temperature settings, recipe conversions, and controlling delicate cooking processes.

  • Baking temperature: 180°C = 356°F (standard baking temperature)
  • Low temperature cooking: 65°C = 149°F (ideal for slow-cooking meat)
  • Chocolate melting: 45°C = 113°F (avoid overheating chocolate)
Weather Forecast

Understand local temperatures while traveling and adapt to different reporting systems.

  • Summer comfort: 22-26°C = 72-79°F
  • Winter indoor comfort: 20-22°C = 68-72°F
  • Heat wave warning: >35°C = >95°F
Medical

Monitor body temperatures, calibrate medical devices, and handle medication storage.

  • Normal body temperature: 36.5-37.5°C = 97.7-99.5°F
  • Fever threshold: >38°C = >100.4°F
  • Hypothermia risk: <35°C = <95°F
Scientific Research

Laboratory controls, data sharing, and international collaboration.

  • Laboratory standard range: 20-25°C = 68-77°F
  • Ultra-low freezer: -80°C = -112°F
  • PCR reaction: 95°C = 203°F (DNA denaturation temperature)

Frequently Asked Questions (FAQ)

Celsius and Fahrenheit are two different temperature scales. Celsius is widely used internationally, while Fahrenheit is common in the United States. They have different zero and boiling points: water freezes at 0°C / 32°F and boils at 100°C / 212°F.
A quick estimation trick is Celsius × 2 + 30 ≈ Fahrenheit. For example, 20°C ≈ (20 × 2) + 30 = 70°F (actual 68°F). This mental math is useful for everyday approximations.
Celsius and Fahrenheit intersect at -40. In other words, -40°C equals -40°F. This is the point where both scales show the same numeric value.
Celsius is simply a measurement unit. What matters is the actual temperature. For instance, 37°C is normal body temperature, while 60°C on skin can cause burns.