How to spell 300
300 is spelled three hundred in English.
Quick reference
| US English (Cardinal) | three hundred |
|---|---|
| Ordinal (300th) | three hundredth |
| On a US Check | Three hundred and 00/100 dollars |
| Roman Numeral | CCC |
| Binary / Hexadecimal | 100101100β Β· 0x12C |
On a check
To write $300.00 on a check, the words line reads:
Three hundred and 00/100