Celsius to Fahrenheit

Real-time temperature conversion for cooking, weather, and science. Works offline.

instant url state multi-output offline
Enter celsius
°C
All scales
Fahrenheit (°F)
32.00
Imperial
Kelvin
273.15
K
Rankine
491.67
°R

To convert Celsius to Fahrenheit, multiply the °C value by 9/5 then add 32. Water freezes at 0°C (32°F) and boils at 100°C (212°F). Body temperature is 37°C (98.6°F). This formula is indispensable when following baking recipes — 180°C is the standard cake-baking temperature, equal to 356°F.


Understanding Temperature Scales

While most of the world uses Celsius for daily weather and science, the United States, Belize, and a few other territories still use Fahrenheit for everyday temperature. This divide creates real friction for international travelers, expatriates, and anyone following a recipe from a different country. A "hot" 30°C day in Paris is 86°F — comfortably warm. A "chilly" 50°F morning in New York is 10°C — jacket weather. Knowing the conversion instinctively saves time and prevents miscommunication.

Formulas
Fahrenheit (°F) = (Celsius × 9/5) + 32
Kelvin (K) = Celsius + 273.15
Rankine (°R) = (Celsius + 273.15) × 9/5

Cooking and baking require precise temperature conversion. European and Asian recipes almost always use Celsius, while American recipes use Fahrenheit. A standard oven for baking cakes is 180°C = 356°F. High-heat roasting sits at 220°C = 428°F. Bread baking typically calls for 200°C = 392°F. Getting this wrong by even 20°C can mean a burnt crust or an undercooked center — this converter removes that risk entirely.

In medical and clinical settings, body temperature is one of the most common conversions needed. Normal body temperature is 37°C = 98.6°F. A mild fever begins at 38°C = 100.4°F, and a high fever at 39.5°C = 103.1°F. Digital thermometers sold in different markets toggle between units, and hospital software in the US often displays Fahrenheit while international guidelines use Celsius — making a reliable converter essential for accurate clinical communication.

Scientific and industrial applications use Kelvin (K) for thermodynamic calculations where absolute zero matters. Liquid nitrogen boils at −196°C = 77 K. The surface of the sun is roughly 5,500°C = 5,773 K. Rankine (°R), used in some US engineering contexts, is the Fahrenheit equivalent of Kelvin: absolute zero is 0°R. This tool outputs all four scales simultaneously, so engineers and scientists can cross-check values instantly without a separate calculator.

Common Temperature Reference

Benchmark Celsius Fahrenheit Kelvin
Freezing point of water0 °C32 °F273.15 K
Standard room temp20 °C68 °F293.15 K
Average body temp37 °C98.6 °F310.15 K
Boiling point of water100 °C212 °F373.15 K
Oven bake (Standard)180 °C356 °F453.15 K
Oven roast (High)220 °C428 °F493.15 K

Frequently Asked Questions

What is 180°C in Fahrenheit for baking?

180°C is equal to 356°F, a common temperature for baking cakes and pastries.

How many Fahrenheit is a normal body temperature of 37°C?

A standard body temperature of 37°C is exactly 98.6°F.

What is 100 degrees Celsius in Fahrenheit?

100°C, the boiling point of water, is equal to 212°F.

Is my data private when using this temperature converter?

Yes, all conversions happen locally in your browser. No data is ever sent to our servers.

Does this tool work without internet?

Absolutely. It is an offline-first tool that works instantly without an active internet connection or installation.

What is the formula for Celsius to Fahrenheit?

The formula is: Fahrenheit = (Celsius * 9/5) + 32. You can also calculate Kelvin as C + 273.15.