Celsius to Fahrenheit Converter (°C to °F)

Converter (°C to °F))

No sign-up required | Free to use | Works worldwide

Convert Celsius to Fahrenheit instantly with this free and accurate °C to °F converter. Perfect for weather, cooking, science, and everyday temperature conversions.

When Do You Actually Need This Conversion?

Cooking and baking

American recipes almost always list oven temperatures in Fahrenheit. A recipe calling for 350°F is asking for about 175°C — a standard moderate baking temperature. Getting this wrong can be the difference between a golden cake and a burnt one. Our converter handles this instantly, but the reference chart above covers the most common oven temperatures you'll encounter.

Body temperature and health

Normal human body temperature is 37°C, which equals 98.6°F. If you're reading a US medical guide or using an older thermometer that displays Fahrenheit, this is the key reference point. A fever is generally considered anything above 38°C (100.4°F), so understanding both scales helps when monitoring your health or that of a child.

Weather and travel

This is the single most common reason people convert Celsius to Fahrenheit. If you're travelling to the United States and the forecast says 95°F, that works out to 35°C — a hot day by any standard. Conversely, if you're from the US and visiting Europe, a forecast of 28°C is a warm and pleasant 82°F. Knowing a few anchor points makes it easy to dress appropriately without needing a calculator.

Celsius is the standard scale used in science worldwide, but many older US textbooks and resources still reference Fahrenheit. Students switching between curricula, or anyone following international research, will regularly need to convert between the two.

Body temperature and health

Celsius vs Fahrenheit: What's the Difference?

Celsius (°C) is part of the metric system and is used as the standard temperature scale in most countries. It is based on the freezing point of water at 0°C and the boiling point at 100°C, making it intuitive for everyday use.

Fahrenheit (°F) is part of the imperial system and is primarily used in the United States. On the Fahrenheit scale, water freezes at 32°F and boils at 212°F — a span of 180 degrees compared to Celsius's 100 degrees.

Tips for Quick Mental Conversion

Rough weather estimate: Double the Celsius figure and add 30 (e.g. 20°C → 40 + 30 = 70°F; exact is 68°F)
Exact method: Multiply by 1.8 and add 32
Key anchors to memorise: 0°C = 32°F, 20°C = 68°F, 37°C = 98.6°F, 100°C = 212°F