D is a single Roman symbol group for 500.
How 500 is written in Roman numerals
The number 500 is written D in Roman numerals. Roman numerals use seven letters — I (1), V (5), X (10), L (50), C (100), D (500) and M (1000) — combined from largest to smallest, with subtractive pairs such as IV (4) and IX (9). Need another number? Use the Roman numeral converter or see the 1–100 chart.
Building D step by step — take the largest value that fits, write its symbol, subtract, repeat.
| Write | Value | Remaining before | Remaining after |
|---|
| D | 500 | 500 | 0 |
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Frequently Asked Questions
What is 500 in Roman numerals?
500 in Roman numerals is D. It is written as one value group, D, worth 500 on its own, so nothing has to be added to it. The number below it, 499, is written CDXCIX, and the number above it, 501, is written DI.
How do you write 500 in Roman numerals?
Write 500 as D, a single Roman symbol group worth 500. Roman numerals are built by taking the largest value that still fits, writing its symbol and subtracting it, which reduces 500 in 1 step: D leaves 0. Every symbol keeps the same value wherever it stands, so the order is fixed and D is the only standard spelling of 500.
What are the Roman numerals either side of 500?
Either side of 500 the Roman numerals are CDXCIX for 499 and DI for 501, with D between them. Those three numerals are 6, 1 and 2 letters long, so the length changes as you count. Roman numerals have no digit positions, so each step can rewrite the numeral rather than bumping a single digit.
Will the Roman numeral converter accept D?
Yes, type D into the Roman numeral converter and it returns 500. The converter takes only the letters I, V, X, L, C, D and M, and it re-encodes whatever you enter and compares it with the standard spelling, so a non-standard form such as IIII is rejected rather than accepted quietly. Its working range runs from 1 to 3999, which covers 500.