How “cé mhéad” works
The noun after cé mhéad is singular, as it is after a number: cé mhéad duine, cé mhéad bliain, cé mhéad uair. A mass noun goes into the genitive: cé mhéad airgid, how much money; cé mhéad ama, how much time. Before a verb use a and a séimhiú, or atá.
“Cé mhéad” in questions
Across the dialects
Other question words
How many and how much in Irish (cé mhéad): the questions people ask
Is the noun singular or plural after cé mhéad?
Singular: cé mhéad duine, cé mhéad lá, cé mhéad ceann. Irish counts with the singular after numbers and after cé mhéad.
How do you say how much is it in Irish?
Cé mhéad atá air? The answer is tá sé cúig euro or cúig euro atá air.
Is it cé mhéad or cá mhéad?
Both. Cé mhéad is the standard; cá mhéad is common in Ulster and Connacht.