Purity: Definition and Volume of Kurr Water
Practical Laws of Islam as per the teachings of Ayatullah Sistani
Ruling 14
Kurr water is an amount of water that fills a container with dimensions [i.e. length, breadth, and depth] totalling thirty-six cubic hand spans,1 which is equivalent to approximately 384 litres.
-Ayatullah Sistani, Practical Laws of Islam, Purification (Taharah)
1
An average span is approximately 22 centimetres.