Number to Words Converter
Write any number in words — plain text or cheque style.
Capitalize the first word when it begins a sentence.
To write a number in words, name each three-digit group and add its scale: 1,234 becomes “one thousand two hundred thirty-four”. Hyphenate twenty-one through ninety-nine. For a cheque, write the dollars in words followed by the cents as a fraction — 99.99 is “ninety-nine and 99/100”.
How numbers become words
English number names work in three-digit blocks. Split the number into groups of three from the right — ones, thousands, millions, billions — name each block as a value from 1 to 999, then tack on the block’s scale word. So 1,234,567 reads as one million, two hundred thirty-four thousand, five hundred sixty-seven. The final block (the ones) takes no scale word.
Within a block, the hundreds digit gets “hundred”, and the last two digits follow the twenty-one … ninety-nine hyphenation rule. There is no group named after a decimal: digits after the point are read individually (“point three one”), or, on a cheque, the cents become a fraction over 100.
Numbers in words
Each three-digit group is named, then its scale word is appended.
| Number | In words |
|---|---|
| 100 | one hundred |
| 1,000 | one thousand |
| 1,000,000 | one million |
| 1,234,567 | one million two hundred thirty-four thousand five hundred sixty-seven |
Worked example: 1,234,567
Build the words one three-digit group at a time, largest group first.
- 1 Split into groups of three. Count off from the right: 1 | 234 | 567.
- 2 Name each group 1–999. one · two hundred thirty-four · five hundred sixty-seven.
- 3 Add the scale word. The groups from the left are millions and thousands: one million · two hundred thirty-four thousand.
- 4 Join them in order. one million two hundred thirty-four thousand five hundred sixty-seven — the ones group needs no scale word.
Scales, hyphens, and cheques
Short scale vs long scale. This tool uses the short scale, where a billion is a thousand million (10⁹) and each new name is 1,000× the last. The long scale, once common in Europe, made a billion a million million (10¹²). Modern English — including British English since the 1970s — uses the short scale, so “billion” means 10⁹ here.
Hyphenation. Compound numbers from twenty-one to ninety-nine take a hyphen: forty-two, seventy-eight. Round tens (thirty) and hundreds/thousands (three hundred, two thousand) do not.
Cheque conventions. On the amount line, write the whole dollars in words, then “and”, then the cents as a two-digit numerator over 100 — for example “ninety-nine and 99/100”. Drawing a line through the remaining space stops anyone adding to the amount. For very large numbers see the scientific notation converter.