Sayyed Mohammad Al-Musawi, Sayyed Mohammad al-Musawi is originally from Iraq and heads up the World Ahlul Bayt Islamic League in London. Other than being involved in various humanitarian projects, he frequently responds to... Answered 3 years ago

It is very simple and easy to calculate Khums. It is just to calculate how much you have remaining cash in hand or bank or with people, and property except your residence, and remaining unused items. You calculate the total and take 20% which is the Khums.