Roman Numeral Converter

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What is the Roman Numeral Converter?

The Roman numeral converter changes a standard number into the letters I, V, X, L, C, D and M used in ancient Rome and still seen on clocks, movie dates and book chapters.

How to use the Roman Numeral tool

Enter Number (1 to 3999).
The result updates instantly as you type, or press Calculate.
Use Try an example to see how it works, and Reset to start again.

Formula

Roman numerals add the values of the letters, but a smaller value before a larger one is subtracted, for example IV is 4 and IX is 9.

Worked example

With number (1 to 3999) 2026, the roman numeral comes to MMXXVI.

Frequently asked questions

Why only up to 3999?

Standard Roman numerals use at most three repeated M letters, so 3999 (MMMCMXCIX) is the largest.

Is there a Roman zero?

No. The Romans had no symbol for zero.

Roman numerals chart

Roman numerals use the letters I (1), V (5), X (10), L (50), C (100), D (500) and M (1000). A smaller letter before a larger one is subtracted, so IV is 4 and IX is 9. For example, 2024 is MMXXIV.

Roman numerals 1 to 100

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

Hundreds up to 3000

200	CC	300	CCC	400	CD	500	D	600	DC
700	DCC	800	DCCC	900	CM	1000	M	1100	MC
1200	MCC	1300	MCCC	1400	MCD	1500	MD	1600	MDC
1700	MDCC	1800	MDCCC	1900	MCM	2000	MM	2100	MMC
2200	MMCC	2300	MMCCC	2400	MMCD	2500	MMD	2600	MMDC
2700	MMDCC	2800	MMDCCC	2900	MMCM	3000	MMM

Years in Roman numerals: 1990 to 2035

1990	MCMXC	1991	MCMXCI	1992	MCMXCII	1993	MCMXCIII
1994	MCMXCIV	1995	MCMXCV	1996	MCMXCVI	1997	MCMXCVII
1998	MCMXCVIII	1999	MCMXCIX	2000	MM	2001	MMI
2002	MMII	2003	MMIII	2004	MMIV	2005	MMV
2006	MMVI	2007	MMVII	2008	MMVIII	2009	MMIX
2010	MMX	2011	MMXI	2012	MMXII	2013	MMXIII
2014	MMXIV	2015	MMXV	2016	MMXVI	2017	MMXVII
2018	MMXVIII	2019	MMXIX	2020	MMXX	2021	MMXXI
2022	MMXXII	2023	MMXXIII	2024	MMXXIV	2025	MMXXV
2026	MMXXVI	2027	MMXXVII	2028	MMXXVIII	2029	MMXXIX
2030	MMXXX	2031	MMXXXI	2032	MMXXXII	2033	MMXXXIII
2034	MMXXXIV	2035	MMXXXV

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Checked by Calcovate · Formula tested against worked examples · Updated 7 Nov 2026 · How we check our calculators.