noun
square metre, sq. m.
A1
qm (Quadratmeter) means square metre (sq. m.), the unit of area. It's a neuter noun (das) often written as m². Plural stays qm (invariable). Used after numerals (e.g., 10 qm). Abbreviation is common; in speech it's spoken as 'Quadratmeter'.
Examples
Die Wohnung hat 60 qm.
The apartment is 60 square metres.
Wir brauchen mehr qm für das Büro.
We need more square metres for the office.
Der Makler zeigte die Wohnung mit 80 qm, weil die Käufer nach viel Platz suchten.
The agent showed the apartment of 80 square meters because the buyers were looking for a lot of space.
Details
Mnemonics
Imagine a small square with 'm²' inside it
Think 'q m' as 'quantity meters' — area measurement
Das qm — imagine a neutral measuring box (das)
Notes
Abbreviation for 'Quadratmeter'. Often used in real estate listings.