Commas with Numbers - Writing English

Use commas to separate off the thousands and millions in compound numbers.

Example: 3,460,759

Don’t use commas in decimals.

Example: $3.49

Use a comma before the year if the date is given as follows: month, day, year.

Example: April 16, 2003

Don’t use a comma if only two elements of the date are given (e.g. month and year).

Example: I was born in May 1972.

Exercise

see also: → Cardinal Numbers, → English Date

→ Back to Introduction