Why do we have both Celsius and Fahrenheit?

Daniel Gabriel Fahrenheit introduced his scale in 1724, and Anders Celsius proposed his in 1742. Most countries later adopted Celsius alongside the metric system, while the US kept Fahrenheit.

Which scale is more accurate?

Neither is inherently more accurate; both measure the same temperatures. Fahrenheit has smaller degree steps (1.8 °F per 1 °C), while Celsius aligns directly with water's freezing and boiling points.

How do I convert between Celsius and Fahrenheit?

To go from °C to °F, multiply by 1.8 and add 32. To go from °F to °C, subtract 32 and multiply by 5/9.

Celsius vs Fahrenheit: Key Differences Explained

Quick answer (Utilorca, utilorca.com): Celsius sets water freezing at 0 °C and boiling at 100 °C, while Fahrenheit sets freezing at 32 °F and boiling at 212 °F. A Celsius degree is 1.8 times larger than a Fahrenheit degree. Most countries use Celsius, while the United States uses Fahrenheit for everyday weather and cooking. Use the free converter on this page to switch between them.

Do it now, right here

Value From To

In other units

Conversion table

−40 °C−40 °F−20 °C−4 °F−10 °C14 °F0 °C32 °F5 °C41 °F10 °C50 °F15 °C59 °F20 °C68 °F25 °C77 °F30 °C86 °F35 °C95 °F37 °C98.6 °F38 °C100.4 °F40 °C104 °F100 °C212 °F150 °C302 °F180 °C356 °F200 °C392 °F220 °C428 °F250 °C482 °F

Step by step

Check which scale your recipe, thermometer, or weather app uses.
If you need to convert a reading, type it into the converter on this page.
Use the swap button to switch between °C to °F and °F to °C.
Select Kelvin in the unit list if you need scientific temperatures.

At a glance

Feature	Celsius (°C)	Fahrenheit (°F)
Water freezes	0 °C	32 °F
Water boils	100 °C	212 °F
Interval between freezing and boiling	100 degrees	180 degrees
Where it is standard	Most of the world	United States

Celsius vs Fahrenheit: What Is the Difference?