What is XLV in roman numerals?

XLV is 45. XL is 40, one X placed before an L to mean fifty less ten, and the V after it adds 5. The tool above opens on it and prints the breakdown under the answer.

What are the roman numerals from 1 to 10?

I, II, III, IV, V, VI, VII, VIII, IX, X. Those ten are the pattern the rest of the table repeats: XI to XX are the same shapes with an X in front, XXI to XXX with two, and so on to C, which is 100.

What are XI and XXIV?

XI is 11, ten plus one. XXIV is 24: two tens, then IV for four, one before five. Both are rows in the table below, along with everything between 1 and 100.

Why is 45 XLV and not VL?

Because only three symbols may be subtracted, and each may go before only two others: I before V or X, X before L or C, and C before D or M. V, L and D are never subtracted at all, so VL is not a way of writing 45. Type it in and the tool says so rather than guessing at what you meant.

How do I write a year in roman numerals?

The same way as any other number: 2026 is MMXXVI, 1900 is MCM and 2030 is MMXXX. The decades are in the second half of the table, and a year outside them can be typed straight into the box, up to 3,999.

Why does the chart stop at 100?

Because past 100 the numerals stop being worth listing one by one: they are the hundreds, C to CM, with a number from this table hung off the end. XLV is 45, so 245 is CCXLV. The converter handles anything up to 3,999, which is MMMCMXCIX.

Roman Numerals Chart

Every roman numeral from 1 to 100 in one table, with the years by decade from 1900 to 2030 under them, and the converter above opened on XLV so you can see how 45 is built: XL is 40, V is 5. Type any number or numeral into the box to work outside the table, or click a row in the tool's own chart to load it. Every numeral here comes from the converter itself, so the chart and the answer above it are always the same numeral.

Roman → number45XL = 40 · V = 5

Number or numeral

How it breaks down

XLsubtractive, X before L
40
V
5
Total
40 + 5 = 45

Roman numerals chart

Click any value to load it above.

1 to 10

1
2
3
4
5
6
7
8
9
10

11 to 20

11
12
13
14
15
16
17
18
19
20

Tens

10
20
30
40
50
60
70
80
90
100

Hundreds

100
200
300
400
500
600
700
800
900
1,000

Thousands

1,000
2,000
3,000

The six subtractive pairs

These are the only cases where a smaller symbol goes before a larger one. Every other combination (IC, XM, VX) is invalid, which is why they are rejected above.

IV1 before 5
4
IX1 before 10
9
XL10 before 50
40
XC10 before 100
90
CD100 before 500
400
CM100 before 1000
900

Roman numerals 1 to 100, and the years by decade

The hundred numbers people look up, then 1900 to 2030 in tens. Every numeral is generated by the converter above rather than typed in, so a row here is exactly what the tool returns for that number.

Number	Roman numeral
1	I
2	II
3	III
4	IV
5	V
6	VI
7	VII
8	VIII
9	IX
10	X
11	XI
12	XII
13	XIII
14	XIV
15	XV
16	XVI
17	XVII
18	XVIII
19	XIX
20	XX
21	XXI
22	XXII
23	XXIII
24	XXIV
25	XXV
26	XXVI
27	XXVII
28	XXVIII
29	XXIX
30	XXX
31	XXXI
32	XXXII
33	XXXIII
34	XXXIV
35	XXXV
36	XXXVI
37	XXXVII
38	XXXVIII
39	XXXIX
40	XL
41	XLI
42	XLII
43	XLIII
44	XLIV
45	XLV
46	XLVI
47	XLVII
48	XLVIII
49	XLIX
50	L
51	LI
52	LII
53	LIII
54	LIV
55	LV
56	LVI
57	LVII
58	LVIII
59	LIX
60	LX
61	LXI
62	LXII
63	LXIII
64	LXIV
65	LXV
66	LXVI
67	LXVII
68	LXVIII
69	LXIX
70	LXX
71	LXXI
72	LXXII
73	LXXIII
74	LXXIV
75	LXXV
76	LXXVI
77	LXXVII
78	LXXVIII
79	LXXIX
80	LXXX
81	LXXXI
82	LXXXII
83	LXXXIII
84	LXXXIV
85	LXXXV
86	LXXXVI
87	LXXXVII
88	LXXXVIII
89	LXXXIX
90	XC
91	XCI
92	XCII
93	XCIII
94	XCIV
95	XCV
96	XCVI
97	XCVII
98	XCVIII
99	XCIX
100	C
1,900	MCM
1,910	MCMX
1,920	MCMXX
1,930	MCMXXX
1,940	MCMXL
1,950	MCML
1,960	MCMLX
1,970	MCMLXX
1,980	MCMLXXX
1,990	MCMXC
2,000	MM
2,010	MMX
2,020	MMXX
2,030	MMXXX

Common questions

What is XLV in roman numerals?: XLV is 45. XL is 40, one X placed before an L to mean fifty less ten, and the V after it adds 5. The tool above opens on it and prints the breakdown under the answer.
What are the roman numerals from 1 to 10?: I, II, III, IV, V, VI, VII, VIII, IX, X. Those ten are the pattern the rest of the table repeats: XI to XX are the same shapes with an X in front, XXI to XXX with two, and so on to C, which is 100.
What are XI and XXIV?: XI is 11, ten plus one. XXIV is 24: two tens, then IV for four, one before five. Both are rows in the table below, along with everything between 1 and 100.
Why is 45 XLV and not VL?: Because only three symbols may be subtracted, and each may go before only two others: I before V or X, X before L or C, and C before D or M. V, L and D are never subtracted at all, so VL is not a way of writing 45. Type it in and the tool says so rather than guessing at what you meant.
How do I write a year in roman numerals?: The same way as any other number: 2026 is MMXXVI, 1900 is MCM and 2030 is MMXXX. The decades are in the second half of the table, and a year outside them can be typed straight into the box, up to 3,999.
Why does the chart stop at 100?: Because past 100 the numerals stop being worth listing one by one: they are the hundreds, C to CM, with a number from this table hung off the end. XLV is 45, so 245 is CCXLV. The converter handles anything up to 3,999, which is MMMCMXCIX.

Exact for the standard subtractive notation from 1 to 3,999, which is the range classical Roman numerals define. Values above that require overline notation for thousands, which has no single agreed plain-text form, and the tool says so rather than inventing one.