How do you write 42 in words?

Forty-two. In British English, "forty-two".

42 in words

Forty-two

Number (1–3,999 for numerals)

Roman numeral

42 is written "forty-two". That spelling is the same in British and American English.

Where each word comes from

40 + 2 = 42
Digit	Place	Worth	Spoken as
4	tens	40	forty
2	ones	2	two

The same number, other ways

In words (US): Forty-two
In words (UK): Forty-two
Ordinal: 42nd — forty-second
Roman numeral: XLII
Digits: 42

Writing it on a cheque

On a cheque the amount line reads "Forty-two and 00/100" — or "Forty-two 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 42 in words?: Forty-two. In British English, "forty-two".
What is the ordinal of 42?: Forty-second, written 42nd.

42 in Roman numerals XLII
39 in words thirty-nine
40 in words forty
41 in words forty-one
43 in words forty-three
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