(21) باب صَدَقَةِ الْفِطْرِ
Ibn Umar narrated that:
the Messenger of Allah enjoined Zakatul-Fitr, one Sa of dates or one Sa of barley.Abdullah said: The people made two Mudd (equal to half of a Sa) of wheat as its equivalent.
Reference: Sunan Ibn Majah 1825
In-book reference: Book 8, Hadith 43
English translation: Vol. 3, Book 8, Hadith 1825