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Frequently asked questions
Why only up to 3999?
With the standard symbols (I, V, X, L, C, D, M) the highest number you can write without special notation is MMMCMXCIX = 3999.
Does it accept IIII or VV?
No: only the canonical form. IIII is written IV and VV is X; the tool tells you when a numeral isn't valid.
Is Roman numeral converter free to use on Toolkoa?
Yes, the Roman numeral converter tool is 100% free, unlimited and requires no sign up or installation.
Are my files sent to any server when using Roman numeral converter?
No. Every operation on Toolkoa is processed privately and locally, directly in your own browser.
Do I need to install anything to use Roman numeral converter?
Nothing to install. Roman numeral converter runs in any modern desktop or mobile browser, and once the page has loaded you can keep using it without relying on the connection.