501 in Roman Numerals
Five hundred one is written DI in Roman numerals. You read it left to right, adding each glyph in turn: D for 500, I for 1.
How DI is formed
Reading left to right, 501 breaks into these additive parts. Each Roman symbol is added in turn to reach the total.
D + I = 500 + 1 = 501.
Where 501 in Roman numerals is used
- Monarch and pope names, for example the 501st of a royal line.
Convert another number
501 is written DI in Roman numerals.
Frequently asked questions
How do you write 501 in Roman numerals?
Write 501 as DI, combining D + I. Start from the largest value that fits and work down until nothing is left over.
What number is DI?
DI is 501. Read the symbols left to right, treat any smaller-before-larger pair as a single subtraction, and add the groups together.
Is there a shorter way to write 501?
No. DI is the standard, canonical spelling. Each value has exactly one correct Roman form, so DI is the only valid way to write 501.
How do you say DI in words?
DI is 501, spoken as "five hundred one". The numeral is read as the single value 501, not as its separate letters.