(72) باب صَاعٍ مِنْ شَعِيرٍ
Narrated Abu Sa`id:
We used to give one Sa' of barley as Sadaqat-ul-Fitr (per head).
Reference: Sahih al-Bukhari 1505
In-book reference: Book 24, Hadith 106
USC-MSA web (English) reference(deprecated numbering scheme): Vol. 2, Book 25, Hadith 581