2011 in Roman Numerals
2011 in Roman numerals is MMXI. It is built from three parts: 2000 + 10 + 1 = MM + X + I. Read it from left to right and add the values to get 2011. Below, 2011 appears in a date, on a copyright line and as a two-digit year.
2011 in Roman numerals is MMXI.
2011 in Roman numerals: the breakdown
| Place value | Numeral | Value |
|---|---|---|
| 2000 | MM | 2000 |
| 10 | X | 10 |
| 1 | I | 1 |
| Total | MMXI | 2011 |
How to read MMXI
- MM is 1000 + 1000, which is 2000.
- X is 10.
- I is 1.
- Add 2000 + 10 + 1 to get 2011.
Roman numeral 2011 in a date
| Order | 1 January 2011 | 31 December 2011 |
|---|---|---|
| MM.DD.YYYY | I.I.MMXI | XII.XXXI.MMXI |
| DD.MM.YYYY | I.I.MMXI | XXXI.XII.MMXI |
| YYYY.MM.DD | MMXI.I.I | MMXI.XII.XXXI |
For 1 January the first two orders match, because the day and the month are both I. For any other day, order or separator, use the Roman numeral date converter with 2011 filled in.
2011 on a copyright line
© MMXI
Film and television end credits commonly show the copyright year in Roman numerals, so 2011 appears as © MMXI.
2011 as a two-digit year
As a style choice, some people write only the last two digits of a year: ’11 gives XI for 2011. The full year, MMXI, is the standard form.
Facts about 2011
- 2011 is not a leap year: it is not divisible by 4.
- 2011 has 365 days.
- 1 January 2011 falls on a Saturday.
- 2011 is in the 2010s.
- 2011 is in the 21st century.
Years around 2011
Convert another year
2011 = 2000 + 10 + 1 = MM + X + I
What number is MMXI?
MMXI is the year 2011. Reading it from left to right, MM is 2000, X is 10 and I is 1, which adds up to 2011.
Questions and answers
What is 2011 in Roman numerals?
2011 in Roman numerals is MMXI. It is made of three parts: 2000 + 10 + 1 = MM + X + I. Read MMXI from left to right, add the parts, and you get 2011. Use the converter on this page to check any other number from 1 to 3,999.
How do you write 2011 in Roman numerals?
Split 2011 into its place values, write each one in Roman numerals, and join them from largest to smallest. For 2011 that is 2000 + 10 + 1, which is MM + X + I, so the answer is MMXI. Check that no letter repeats more than three times in a row.
What number is MMXI?
MMXI is 2011. Read it in place-value parts from left to right: MM is 2000, X is 10, I is 1. Add the parts to get 2011. Letters after a larger or equal letter are added, and a smaller letter before a larger one is subtracted. You can also type MMXI into the converter to read the number back.
How do you write 2011 on a date in Roman numerals?
Convert the month, the day and the year separately and join them with dots. For 1 January 2011 in US order that is I.I.MMXI, and for 31 December 2011 it is XII.XXXI.MMXI. The date converter lets you choose the order, the separator and a two-digit year.