What does CMXLIV mean?

CMXLIV is the Roman numeral for 944 — 900 + 40 + 4.

How do you write 944 in Roman numerals?

Take the largest value that fits and repeat until nothing is left: CM (900), then XL (40), then IV (4). That gives CMXLIV.

944 in Roman numerals

CMXLIV

Number (1–3,999 for numerals)

Roman numeral

944 is written CMXLIV in Roman numerals. That is 3 symbol groups added together, reading left to right from the largest value down.

How it breaks down

CMXLIV = 900 + 40 + 4 = 944
Group	Value	Subtraction	Running total
CM	900	M − C	900
XL	40	L − X	940
IV	4	V − I	944

Why the smaller symbol comes first

CMXLIV uses subtractive notation in 3 places: CM means M minus C, or 900; XL means L minus X, or 40; IV means V minus I, or 4. A smaller symbol placed before a larger one is subtracted from it rather than added, which is why IX is nine and not eleven.

Only six such pairs are valid — IV, IX, XL, XC, CD and CM. That restriction is what makes the notation unambiguous: IIII and IC both look like they should work, but neither is standard, and only one spelling of any number is correct.

The symbols

Symbol	Value	Used here
I	1	yes — 1×
V	5	yes — 1×
X	10	yes — 1×
L	50	yes — 1×
C	100	yes — 1×
D	500	no
M	1,000	yes — 1×

The same number, other ways

In words: Nine hundred forty-four
Roman numeral: CMXLIV
Symbol count: 6 characters
Binary: 1110110000
Hexadecimal: 3B0

The numbers either side

Number	Roman numeral
942	CMXLII
943	CMXLIII
944	CMXLIV ←
945	CMXLV
946	CMXLVI

Common questions

What is 944 in Roman numerals?: 944 is CMXLIV.
What does CMXLIV mean?: CMXLIV is the Roman numeral for 944 — 900 + 40 + 4.
How do you write 944 in Roman numerals?: Take the largest value that fits and repeat until nothing is left: CM (900), then XL (40), then IV (4). That gives CMXLIV.

Sources

Calculated on this page — At One Place

How these figures are compiled and checked