Sixty four or Sixty-four?

Sixty four or sixty-four?

In this article we show you how to write 64 in English words correctly.

In addition, we provide you with the grammar rule right away. 🙂

Regardless of where they appear in a number, hyphenate all compound numbers between 21 and 99 (not 30, 40, 50, 60, 70, 80, and 90) such as 64. In other words:

Hyphenate all numbers between twenty-one and ninety-nine, except those divisible by ten, even if the compound number is preceded or succeeded by numbers that do not require hyphens.

Thus, the correct spelling of 64 is sixty-four (hyphenated).

Along the same lines:

• 64,000 = sixty-four thousand (hyphenated).
• 64,000,000 = sixty-four million (hyphenated).
• 64,000,000,000 = sixty-four billion (hyphenated).

Sixty-four or Sixty four Spelling

It doesn’t matter which noun follows the adjective, the grammar rule explained above remains in place.

In the examples below the correct spelling is underlined.

Sixty four years or sixty-four years?
Sixty four percent or sixty-four percent?
Sixty four hours or sixty-four hours?

Frequently Asked Questions about Sixty Four

Does sixty four have a hyphen?

Yes, 64 has a hyphen and is spelled correctly as sixty-four.

Do you hyphenate sixty four?

Yes, you put a hyphen between sixty and four: sixty-four.

Does sixty four need a hyphen?

As 64 is a compound number in between 21 and 99 it needs a hyphen; therefore writing 64 in full is sixty-four.

In the table below we show you the correct spelling of some numbers succeeding and precededing 64:

Sixty fourth or Sixty-fourth?

In the following examples the correct spelling is underlined.

Sixty fourth part or sixty-fourth part?
Sixty fourth day or sixty-fourth day?
Sixty fourth hour or sixty-fourth hour?

Frequently Asked Questions about Sixty fourth

• Does sixty fourth have a hyphen? Yes, the ordinal number for 64 has a hyphen and is spelled correctly as sixty-fourth.
• Do you hyphenate sixty fourth? Yes, you put a hyphen between sixty and fourth: sixty-fourth.
• Does sixty fourth need a hyphen? 64 is a compound number in between 21 and 99 which needs a hyphen. Thus, writing 64th in full is sixty-fourth.

Sixty fourth or Sixty-four?

As you already know, 64 as cardinal numeral is sixty-four, and 64 as ordinal numeral is sixty-fourth.

Thus, the question in the subtitle above mixes two distinguished linguistic concepts and cannot be answered as such.

Observe that you can always check how to spell a number in full correctly using our converter below.

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Spelling: Sixty-four

Summary

As explained by the hyphens-in-numbers rule, 64 = sixty-four.

If you are happy with our information, then you may also be interested in our article sixty-six or sixty six.


We love to hear your feedback and answer any question about how to correctly write 64 you might have.

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– Article written by Mark, last updated on May 5th, 2023