How do you write 400,000 in words?

Four hundred thousand. In British English, "four hundred thousand".

What is the ordinal of 400,000?

Four hundred thousandth, written 400000th.

400,000 in words

Four hundred thousand

Number (1–3,999 for numerals)

Roman numeral

400,000 is written "four hundred thousand". That spelling is the same in British and American English.

Where each word comes from

400,000 = 400,000
Digit	Place	Worth	Spoken as
4	hundred thousands	400,000	four hundred thousand

The same number, other ways

In words (US): Four hundred thousand
In words (UK): Four hundred thousand
Ordinal: 400000th — four hundred thousandth
Digits: 400,000

Writing it on a cheque

On a cheque the amount line reads "Four hundred thousand and 00/100" — or "Four hundred thousand 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 400,000 in words?: Four hundred thousand. In British English, "four hundred thousand".
What is the ordinal of 400,000?: Four hundred thousandth, written 400000th.

0 in words zero
8 in words eight
11 in words eleven
12 in words twelve
13 in words thirteen
15 in words fifteen
19 in words nineteen
20 in words twenty
21 in words twenty-one
40 in words forty
42 in words forty-two
50 in words fifty

Sources

Calculated on this page — At One Place

How these figures are compiled and checked