ExactConverter

Temperature conversion

15 °F to °C

-9.44 °C

15 degrees Fahrenheit = -9.44 degrees Celsius. Exact factor: °C = (°F − 32) × 5/9.

Live converter

Edit either field — the other updates instantly. Type decimal values like 38.4.

The formula

°C = (°F − 32) × 5/9

Worked example: (15 − 32) × 5/9 = -9.44 °C.

Values near 15 °F

°F °C
12 -11.11
13 -10.56
14 -10
15this page -9.44
16 -8.89
17 -8.33
18 -7.78

Frequently asked

How do you convert degrees Fahrenheit to degrees Celsius?

Apply the formula °C = (°F − 32) × 5/9. Enter any value in the live converter above and the result updates as you type.

What is 15 °F in °C?

15 °F equals -9.44 °C. The reference table below shows the values immediately around 15 °F.

Why does temperature conversion add 32?

The two scales have different zero points and step sizes. Water freezes at 32 °F but 0 °C, so the formula rescales by 5/9 and shifts by the 32-degree offset.