Should K for Thousand Be Capitalized?

The capital letter K is sometimes used informally to represent one thousand (dollars), especially in newspaper headlines. There is no space between the numeral and the letter K , as in 75 K . The letter K should not be used as an abbreviation for one thousand (dollars) in formal writing.

Do you capitalize K in 5K?

The K abbreviation is acceptable in headline and statistical references to kilometers, such as a 10K race; in baseball for strikeouts: pitcher records 12 K's; and monetary amounts in thousands: Employee earns $80K. It is acceptable in sports stories: She won her first 5K.

How do you write K for thousand?

The SI prefix for a thousand units is "kilo-", abbreviated to "k"β€”for instance, a kilometre or "km" is a thousand metres.

Marcus Vance

Marcus Vance

Cybersecurity & Digital Privacy Researcher

Marcus Vance is a cybersecurity auditor and technology writer dedicated to educating the public about online safety, data privacy regulations, enterprise security, and emerging cyber threats.