مختصر صحيح بخاري
Mukhtasar Sahih Bukhari
Book of Expiation for Oaths
The Sa’ of Madinah and the Prophet’s Mudd.
Narrated from Sayyiduna Sa’ib bin Yazid (may Allah be pleased with him): In the time of the Prophet (peace and blessings of Allah be upon him), the Sa’ (which is a measure of volume) was equal to your one Mudd and one third of it.
