Temperature

13 °F in Celsius

Quick answer, the exact math, and nearby values. Need a different number? Use the Fahrenheit to Celsius Converter - Free.

How to convert it

Subtract 32: 13 − 32 = -19.
Multiply by 5/9: -19 × 5 ÷ 9 = -10.56 °C.

C = (F - 32) x 5/9

That is below the freezing point of water (0 °C / 32 °F), so expect ice and frost.

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Nearby values

Value	Result
7 °F in Celsius	7 °F = -13.9 °C
8 °F in Celsius	8 °F = -13.3 °C
9 °F in Celsius	9 °F = -12.8 °C
10 °F in Celsius	10 °F = -12.2 °C
11 °F in Celsius	11 °F = -11.7 °C
12 °F in Celsius	12 °F = -11.1 °C
13 °F in Celsius	13 °F = -10.6 °C
14 °F in Celsius	14 °F = -10 °C
15 °F in Celsius	15 °F = -9.4 °C
16 °F in Celsius	16 °F = -8.9 °C
17 °F in Celsius	17 °F = -8.3 °C
18 °F in Celsius	18 °F = -7.8 °C
19 °F in Celsius	19 °F = -7.2 °C

Frequently asked questions

What is 13 °F in Celsius?

13 °F = -10.6 °C (about -11 °C).

How is it calculated?

Subtract 32: 13 − 32 = -19. Multiply by 5/9: -19 × 5 ÷ 9 = -10.56 °C.

Conversion factors follow: NIST Special Publication 811 — Guide for the Use of the International System of Units (SI); BIPM — The International System of Units (SI Brochure, 9th edition).