Vincula

Vincula turns numbers into Roman numerals - and Roman numerals back into numbers - the instant you type. One field, no forms, no setup. Type 2026 and read MMXXVI, or type MMXXVI and get 2026 back.

Built to be fast, calm, and completely private. Everything runs on your device. No account, no sign-in, no internet required, and nothing collected.

CONVERT INSTANTLY

• Type a number to get its Roman numeral, or type a numeral to get the number
• Automatic detection figures out which way you are going
• Tap to copy the result anywhere

ROMAN DATES

• Turn any date into Roman numerals for engravings, tattoos, and keepsakes
• Recent conversions are saved automatically

VINCULA PRO (one-time unlock)

• Big numbers with vinculum notation - the classic overline that multiplies by 1000, up to 3,999,999
• Date styles: reorder day, month, and year and choose your separator
• Export a clean, shareable date card
• Unlimited history

A single purchase unlocks Pro forever. No subscription.

Whether you are decoding a clock face, a movie copyright, a book chapter, or designing a date to keep, Vincula makes Roman numerals effortless.