# How to Spell Numbers

How to spell 18

18 is spelled eighteen in English.

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Quick reference

US English (Cardinal)eighteen
Ordinal (18th)eighteenth
On a US CheckEighteen and 00/100 dollars
Roman NumeralXVIII
Binary / Hexadecimal10010β‚‚ Β· 0x12

How it's built

  1. 1 in the tens place = ten
  2. 8 in the ones place = eight

On a check

To write $18.00 on a check, the words line reads:

Eighteen and 00/100

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