Forty Or Fourty – How To Spell It Correctly

25.07.23 Spelling mistakes Time to read: 2min

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Many English language students often struggle with spelling certain words. This can be due to variations in spelling compared to similar words in other languages, or inconsistencies in pronunciation. One of the most frequent spelling mistakes is the word “forty/fourty.” This article will provide a comprehensive guide on how to spell this word correctly and give exemplary sentences.

The correct spelling of “forty”

The word “forty” can function as a numeral adjective. Numeral adjectives are adjectives that express quantity or number and modify nouns, showing how many of a particular thing there are. “Forty” only has one correct spelling. The word has its origins in Old English with the word “feowertig”, which evolved from the earlier Germanic languages.

Correct spelling


Incorrect spelling


The correct spelling of “forty” is without an “u” after the “o”. The most common misspelling is “fourty.” The reason behind this common misspelling is likely a combination of familiarity with other numbers ending in “-ty” and not encountering “forty” as frequently as other numbers in everyday writing. As a result, people may unintentionally default to the more common pattern when writing the word “forty.” Another, simpler, reason could be that the words “four” and “fourteen” are written with a “u.”


  • There are forty students in the class.
  • She has forty apples in the basket.
  • The marathon runners covered forty

Mnemonic for spelling “forty”

Often, it’s difficult to remember the correct spelling of a certain word. Fortunately, there’s a mnemonic for spelling “forty” correctly, so it’s easier to remember for you.

Note: Four, fourteen, but U can’t be FORTY.


“Forty” is spelled F-O-R-T-Y. There is no “u” after the “o”.

The spelling “forty” is correct. This is the only correct spelling of the number 40.

Neither it is “forty-five”. The use of a hyphen (-) in compound numbers between twenty-one (21) and ninety-nine (99) is a common convention in English. It helps to avoid confusion and ensure a proper understanding of the number being conveyed. This hyphenation rule applies to all numbers within that range, not just forty-five.

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