Temperature

42 °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: 42 − 32 = 10.
Multiply by 5/9: 10 × 5 ÷ 9 = 5.56 °C.

C = (F - 32) x 5/9

That is cold weather — a warm coat is a good idea.

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Nearby values

Value	Result
36 °F in Celsius	36 °F = 2.2 °C
37 °F in Celsius	37 °F = 2.8 °C
38 °F in Celsius	38 °F = 3.3 °C
39 °F in Celsius	39 °F = 3.9 °C
40 °F in Celsius	40 °F = 4.4 °C
41 °F in Celsius	41 °F = 5 °C
42 °F in Celsius	42 °F = 5.6 °C
43 °F in Celsius	43 °F = 6.1 °C
44 °F in Celsius	44 °F = 6.7 °C
45 °F in Celsius	45 °F = 7.2 °C
46 °F in Celsius	46 °F = 7.8 °C
47 °F in Celsius	47 °F = 8.3 °C
48 °F in Celsius	48 °F = 8.9 °C

Frequently asked questions

What is 42 °F in Celsius?

42 °F = 5.6 °C (about 6 °C).

How is it calculated?

Subtract 32: 42 − 32 = 10. Multiply by 5/9: 10 × 5 ÷ 9 = 5.56 °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).