# How to Spell Numbers

How to spell 300

300 is spelled three hundred in English.

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Quick reference

US English (Cardinal)three hundred
Ordinal (300th)three hundredth
On a US CheckThree hundred and 00/100 dollars
Roman NumeralCCC
Binary / Hexadecimal100101100β‚‚ Β· 0x12C

On a check

To write $300.00 on a check, the words line reads:

Three hundred and 00/100

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