Already know your date? Convert it, choose the order and separator, and copy the result.
Open the Converter →Why this needs more than a converter
Converting a date to Roman numerals is a solved problem — the arithmetic is the same every time, and a tool gets it right or it doesn't. What a converter can't tell you is whether the order you picked will read correctly to the people who see it, whether your separator will hold up at tattoo scale, or whether the layout will fit where you want it. Those are the decisions that actually cause regret, and they're worth working through before an appointment, not during one.
Decide the order before you decide anything else
Roman numeral dates are written in one of three orders: month-day-year (common in the US), day-month-year (common in Europe and much of the rest of the world), or year-month-day. None of them is more "correct" than another — but the numerals themselves give no visual clue about which order you chose, and that's the source of almost every regret story you'll find about this kind of tattoo.
The ambiguity only matters for specific dates. If the day and the month are both twelve or under,
the two orders are genuinely indistinguishable to a reader: V • VI • MMXXV
could be read as May 6th or June 5th depending on which convention the person reading it assumes.
A date like December 25th has no such problem — there's no thirteenth month, so
XII • XXV can only mean one thing. Check your specific date against this before
you commit to an order: if it falls in the ambiguous range and the distinction matters to you (an
anniversary, a specific person's birthday), day-first is the more common convention internationally
and the safer default.
Whatever you choose, say it out loud to your artist in plain words before the needle starts — "that's day, month, year" — rather than assuming the numerals speak for themselves. A tattoo artist copying a design accurately can still transcribe the wrong date if they're guessing at which number is which.
Choosing a separator your artist can actually execute
The interpunct (•) is the most common separator for this kind of tattoo. It reads
clearly as a deliberate divider at small sizes, and it doesn't get visually confused with the
numerals around it. A period does the same job but tends to shrink to near-invisibility at the
point sizes most date tattoos are done at — ask to see a proof at the actual planned size, not
just on screen.
A hyphen is more of a risk than it looks. Next to a numeral that starts or ends with I,
a short hyphen can visually merge with the letter, especially in a script or serif tattoo font,
turning V-I into something that reads as one unfamiliar symbol at a glance. If you want
a hyphen for its clean, minimal look, ask your artist to give it visible clearance from the
numerals on either side.
Whatever separator you land on, bring a printed reference in the exact font and size you've agreed
on. Verbally describing "Roman numerals" to an artist and letting them typeset it themselves is how
style mismatches happen — a heavily stylized script font can distort X or
V into something ambiguous, and that's much easier to catch on paper than after the
first line goes in.
Mistakes worth checking for before the appointment
A handful of errors show up often enough in tattoo-numeral stories that they're worth checking for specifically, not just trusting the conversion:
-
Repeated symbols instead of subtractive notation. Standard Roman numerals never
repeat a symbol more than three times in a row. 4 is
IV, notIIII; 9 isIX, notVIIII. This is the single most common hand-written mistake, because it's the intuitive way to "just add up" a number rather than the conventional way to write it. -
A "too short" year that isn't actually wrong. Roman numerals have no symbol for
zero, so a year like 2005 becomes
MMV— four characters shorter than people often expect from a four-digit year. If your year has a zero in it, expect it to look shorter than you pictured, and confirm that's correct rather than assuming a symbol is missing. -
Underestimating how long an old year gets. A recent year converts to a short,
tidy string. A year like 1898 — a great-grandparent's birth year, say — becomes
MDCCCXCVIII, eleven characters long. If you're working with an older date, check the full converted length before finalizing a design size or placement; it changes the layout more than people expect.
Placement changes what the numerals have to do
Where the date goes determines the shape it has to fit, and that interacts directly with how long your converted string is. A long horizontal run suits the inner forearm, collarbone, or under the bust, where there's width to work with. A spine or rib placement usually means stacking the numerals vertically instead — which changes the separator question entirely, since a stacked layout often drops separators and uses line breaks to divide day, month, and year.
Narrow placements are where converted length bites hardest. A wrist or finger tattoo in fine lettering has very little room, so a date that converts to eleven characters may simply not fit at a legible size. Convert first, count the characters, and take that number to the placement conversation — it's much easier to adjust placement around the numerals than to shorten numerals that are already correct.
For rings, lockets, and engravings
Everything above applies to engraving too, with one added constraint: space. A ring's inner band or a locket's inside face gives an engraver only so many characters to work with, and a long converted year (see above) can force a decision between a smaller font, a stacked two-line layout, or dropping the separator entirely. Get the converted numerals to your jeweler before the design is finalized, not after, so they can tell you early whether your preferred layout actually fits.
What if my artist has never done a Roman numeral tattoo before?
Bring the exact string, in the exact order and separator you've decided on, printed at actual size. Most of the risk in this kind of tattoo isn't the artist's skill — it's ambiguity in what was agreed on beforehand. A precise reference removes that ambiguity regardless of how much numeral experience the artist has.
Can I include a Roman numeral phrase along with the date?
Yes — a Latin motto or a short phrase can sit alongside a numeral date in the same piece; the numerals themselves work exactly the same way whether they stand alone or share the design with other text. Converting the phrase itself is outside what this tool does, since it only converts numbers, not words.
Should the numerals be capital or lowercase?
Capital. Roman numerals don't have a standard lowercase form — iv isn't a
recognized alternate to IV, it's just a stylistic lettering choice some decorative
fonts make. If a design mockup shows lowercase numerals, that's a font decision worth confirming
with your artist, not an error in the conversion.
What if a mistake makes it through and it's already done?
A minor rendering issue — a slightly uneven line, a separator that's harder to see than planned — is usually something a touch-up session can address. A wrong date is not something a touch-up fixes. That gap is exactly why it's worth having a second person — not just you — check the exact string, order, and separator against the actual date before the appointment, the same way a second pair of eyes catches typos that the person who wrote them reads right past.
More use cases
- Browse all use-case guides
- Number to Words Converter — for spelling a date or number out in full instead of numerals.
- APA Citation Generator — another tool built around getting a specific format exactly right.
Last reviewed: September 2026