Specified amount which should be given according to the Sunnah of the Prophet Muhammad pbuh
Answer By Dr Zakir Naik,The quantity and the requirement of Zakaat-ul-Fitr is 1 Saa.prophet muhammad (pbuh) said :"The Sadaqa for Ramadhaan i.e. Zakaat-ul-Fitr is one Saa" Sahih Al Bukhari Vol. no. 2 in the Book of Zakaat Hadith no. 1510 .