Convert Arabic numbers to Roman numerals and vice versa – beautifully and instantly!
Roman Calculator is a modern, elegant, and super easy-to-use numeral converter that transforms numbers between standard Arabic (1–3999) and classic Roman numerals in real time as you type.
Perfect for students, history lovers, puzzle enthusiasts, Super Bowl fans, clock & book readers, or anyone who wants to quickly read/write Roman numerals.
Latest Version
Varies with deviceRequires Android
Category
Free Tools AppContent Rating
Everyone
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Flag as inappropriateLast updated on Jan 12, 2026
Minor bug fixes and improvements. Install or update to the newest version to check it out!