How do you write 1,800 in words?

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

What is the ordinal of 1,800?

One thousand eight hundredth, written 1800th.

1,800 in words

One thousand eight hundred

Number (1–3,999 for numerals)

Roman numeral

1,800 is written "one thousand eight hundred". That spelling is the same in British and American English.

Where each word comes from

1,000 + 800 = 1,800
Digit	Place	Worth	Spoken as
1	thousands	1,000	one thousand
8	hundreds	800	eight hundred

The same number, other ways

In words (US): One thousand eight hundred
In words (UK): One thousand eight hundred
Ordinal: 1800th — one thousand eight hundredth
Roman numeral: MDCCC
Digits: 1,800

Writing it on a cheque

On a cheque the amount line reads "One thousand eight hundred and 00/100" — or "One thousand eight hundred 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 1,800 in words?: One thousand eight hundred. In British English, "one thousand eight hundred".
What is the ordinal of 1,800?: One thousand eight hundredth, written 1800th.

1,800 in Roman numerals MDCCC
1,797 in words one thousand seven hundred ninety-seven
1,798 in words one thousand seven hundred ninety-eight
1,799 in words one thousand seven hundred ninety-nine
1,801 in words one thousand eight hundred 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