1,940 in Roman numerals
MCMXL
The number 1,940 is written MCMXL in Roman numerals. As a year it appears in copyright lines and cornerstones written this way.
How MCMXL breaks down
| Symbols | Value |
|---|---|
M | 1,000 |
CM | 900 |
XL | 40 |
MCMXL | 1,940 |
This numeral uses the subtractive rule: a smaller symbol placed before a larger one is subtracted from it. Only six such pairs are legal — IV (4), IX (9), XL (40), XC (90), CD (400) and CM (900).
Nearby numbers
| Number | Roman numeral |
|---|---|
| 1,935 | MCMXXXV |
| 1,936 | MCMXXXVI |
| 1,937 | MCMXXXVII |
| 1,938 | MCMXXXVIII |
| 1,939 | MCMXXXIX |
| 1,940 | MCMXL |
| 1,941 | MCMXLI |
| 1,942 | MCMXLII |
| 1,943 | MCMXLIII |
| 1,944 | MCMXLIV |
| 1,945 | MCMXLV |
The seven symbols
I | 1 | C | 100 |
V | 5 | D | 500 |
X | 10 | M | 1,000 |
L | 50 |
1,940 in other notations
| Roman | MCMXL |
| Binary | 11110010100 |
| Hexadecimal | 794 |
| Octal | 3624 |
| Written out | one thousand nine hundred and forty |
Writing it by hand
Work down through the symbol values, taking as many of each as will fit before moving to the next. For 1,940:
M = 1000 remaining: 940
CM = 900 remaining: 40
XL = 40 remaining: 0The result reads MCMXL — 5 characters, against 4 digits in Arabic numerals.
Frequently asked questions
What is 1,940 in Roman numerals?
MCMXL
How do you read MCMXL?
Work left to right, adding each symbol — except where a smaller symbol precedes a larger one, in which case it is subtracted. M is 1,000, CM is 900, XL is 40, giving 1,940 in total.
How do you write 1,940 in words?
one thousand nine hundred and forty.
Why is there no zero?
Roman numerals have no symbol for zero. The concept reached Europe only with Hindu-Arabic numerals, centuries after the system was in use — which is a large part of why it was eventually replaced for arithmetic.