---
title: "3,421 in words"
description: "3,421 in words is \"three thousand four hundred twenty-one\". 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/3421/
site: "At One Place"
---

# 3,421 in words

**3,421 in words: Three thousand four hundred twenty-one**

3,421 is written "three thousand four hundred twenty-one". British English inserts "and" before the final part, giving "three thousand four hundred and twenty-one"; American English leaves it out.

## Where each word comes from

*3,000 + 400 + 20 + 1 = 3,421*

| Digit | Place | Worth | Spoken as |
| --- | --- | --- | --- |
| 3 | thousands | 3,000 | three thousand |
| 4 | hundreds | 400 | four hundred |
| 2 | tens | 20 | twenty |
| 1 | ones | 1 | one |

## The same number, other ways

- **In words (US):** Three thousand four hundred twenty-one
- **In words (UK):** Three thousand four hundred and twenty-one
- **Ordinal:** 3421st — three thousand four hundred twenty-first
- **Roman numeral:** MMMCDXXI
- **Digits:** 3,421

## Writing it on a cheque

On a cheque the amount line reads "Three thousand four hundred and twenty-one and 00/100" — or "Three thousand four hundred and twenty-one 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 3,421 in words?

Three thousand four hundred twenty-one. In British English, "three thousand four hundred and twenty-one".

### What is the ordinal of 3,421?

Three thousand four hundred twenty-first, written 3421st.

## Related pages

- [3,421 in Roman numerals](https://atoneplace.net/roman-numerals/3421/)
- [3,418 in words](https://atoneplace.net/number-to-words/3418/)
- [3,419 in words](https://atoneplace.net/number-to-words/3419/)
- [3,420 in words](https://atoneplace.net/number-to-words/3420/)
- [3,422 in words](https://atoneplace.net/number-to-words/3422/)
- [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/)

## Sources

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