How do you write 1,000 in words?

One thousand. In British English, "one thousand".

What is the ordinal of 1,000?

One thousandth, written 1000th.

1,000 in words

One thousand

Number (1–3,999 for numerals)

Roman numeral

1,000 is written "one thousand". That spelling is the same in British and American English.

Where each word comes from

1,000 = 1,000
Digit	Place	Worth	Spoken as
1	thousands	1,000	one thousand

The same number, other ways

In words (US): One thousand
In words (UK): One thousand
Ordinal: 1000th — one thousandth
Roman numeral: M
Digits: 1,000

Writing it on a cheque

On a cheque the amount line reads "One thousand and 00/100" — or "One 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 1,000 in words?: One thousand. In British English, "one thousand".
What is the ordinal of 1,000?: One thousandth, written 1000th.

1,000 in Roman numerals M
997 in words nine hundred ninety-seven
998 in words nine hundred ninety-eight
999 in words nine hundred ninety-nine
1,001 in words one thousand one
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

Sources

Calculated on this page — At One Place

How these figures are compiled and checked