Narrated `Abdullah bin `Umar: The Prophet ordered (Muslims) to give one Sa' of dates or one Sa' of barley as Zakat-ul-Fitr. The people rewarded two Mudds of wheat as equal to that.
Hadith Referenceصحيح البخاري / كتاب الزكاة / 1507
Hadith Gradingمحدثین:أحاديث صحيح البخاريّ كلّها صحيحة