Convert Celsius to Fahrenheit

Apply the temperature conversion without rounding the result.

JavaScript Version 1.0.0 · MIT · .md

function toFahrenheit(value) { return value * 9 / 5 + 32; }

Input & expected output

20

68

The edge case

-40

-40

Know the limits

• This is a mathematical conversion. It does not enforce a physical temperature range.

The function above is the implementation used by the lab. The lab validates JSON types and caps size before execution; include equivalent validation when accepting untrusted input in your application.

Keep exploring

• Convert hex to RGB — Expand #rgb if needed and read the red, green and blue channels.
• Convert URL parameters to object — Read a query string into an object; repeated keys become arrays.
• Convert 3 digits color to 6 digits color — Double each digit of a #rgb color.