---
title: "100,000,000 in words"
description: "100,000,000 in words is \"one hundred million\". Ordinal form, the British spelling, how to write it on a cheque, and where each word comes from."
url: https://atoneplace.net/number-to-words/100000000/
site: "At One Place"
---

# 100,000,000 in words

**100,000,000 in words: One hundred million**

100,000,000 is written "one hundred million". That spelling is the same in British and American English.

## Where each word comes from

*100,000,000 = 100,000,000*

| Digit | Place | Worth | Spoken as |
| --- | --- | --- | --- |
| 1 | hundred millions | 100,000,000 | one hundred million |

## The same number, other ways

- **In words (US):** One hundred million
- **In words (UK):** One hundred million
- **Ordinal:** 100000000th — one hundred millionth
- **Digits:** 100,000,000

## Writing it on a cheque

On a cheque the amount line reads "One hundred million and 00/100" — or "One hundred million only" in Indian and much of Commonwealth practice. The fraction or the word "only" exists to stop anyone appending digits after what you wrote. Draw a line through any space left over for the same reason.

## Common questions

### How do you write 100,000,000 in words?

One hundred million. In British English, "one hundred million".

### What is the ordinal of 100,000,000?

One hundred millionth, written 100000000th.

## Related pages

- [0 in words](https://atoneplace.net/number-to-words/0/)
- [8 in words](https://atoneplace.net/number-to-words/8/)
- [11 in words](https://atoneplace.net/number-to-words/11/)
- [12 in words](https://atoneplace.net/number-to-words/12/)
- [13 in words](https://atoneplace.net/number-to-words/13/)
- [15 in words](https://atoneplace.net/number-to-words/15/)
- [19 in words](https://atoneplace.net/number-to-words/19/)
- [20 in words](https://atoneplace.net/number-to-words/20/)
- [21 in words](https://atoneplace.net/number-to-words/21/)
- [40 in words](https://atoneplace.net/number-to-words/40/)
- [42 in words](https://atoneplace.net/number-to-words/42/)
- [50 in words](https://atoneplace.net/number-to-words/50/)

## Sources

- Calculated on this page — At One Place (/about/)