Sahih Bukhari Volume 002, Book 024, Hadith Number 487.
Hadith Section/Book: Sahih Bukhari Sahih Bukhari Book 24. Obligatory Charity Tax (Zakat)
Narated By Abu Said : Allah's Apostle (p.b.u.h) said, "No Zakat is due on property mounting to less than five Uqiyas (of silver), and no Zakat is due on less than five camels, and there is no Zakat on less than five Wasqs." (A Wasqs equals 60 Sa's) & (1 Sa=3 K gms App.)