For any multiple of 5 and its preceding value, Siri reads the value as a literal character rather than a number. For instance, the numbers 4, 5, 9, 10 are read as the characters I-V, V, I-X, X rather their numeric equivalent. I assume this is the case for all Siri languages, but I'm only concerned with English.

UPDATE: I'm not sure how I can clarify my request. Siri speaks certain roman numerals (not all) as characters meaning that it doesn't recognize them as numerals, but text. Why the inconsistency? It can recognize III as 3, but not recognize IX as 9? Is it because some numerals have modern uses, like IV now could be short for "intravenous", or that XI is Chinese she?

How do I correct this?

  • Not really sure what you're asking here. What exactly is Siri reading which cause it to 'misspeak'? Is it reading a list of roman numerals? Is it reading a list of Hindu-Arabic numerals?
    – IconDaemon
    Jun 13, 2022 at 16:44
  • It reads some roman numerals as numbers, others as characters. For instance, in Accessibility Inspector, it reads II, III, VII, VIII, IX, and XII as 2, 3, 7, 8, 9, and 12. However, it reads 1, 4, 5, 6, and 10 as the characters I, I-V, V, V-I, and X. Even odder, it reads 11(XI) as the Latinized Chinese form "she".
    – Mike S.
    Jun 13, 2022 at 17:42
  • Siri VoiceOver on an iPhone 13 (ios 15.5) is where the displayed behavior for my original post occurred.
    – Mike S.
    Jun 13, 2022 at 17:44
  • So it reads the text containg 6 as VI? That is what you have written. If you mean it does not read VI as 6 then you need to rewrite your question.
    – mmmmmm
    Jun 13, 2022 at 20:56
  • No. It reads VI as V I, not 6.
    – Mike S.
    Jun 14, 2022 at 15:02

1 Answer 1


Short answer, you can’t do anything about it.

Long answer, all of this depends on the speech synthesizer being used. Four people that use screen readers like Apple‘s voiceover, or any Windows based screen readers, there are a host of different voices available to suit a persons liking. Each one of those voices has different pronunciation styles, idiosyncrasies, and quirks. All of this depends on the internal rules of the synthesizer. For screen readers, there are internal dictionary‘s to adjust the pronunciation of words to better fit language. Obviously, Siri does not have that.

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