Quran 17:26

The command to part 2.5% out of your net income after paying all taxes as Zakat was established at the time of Abraham and is to be given to the parents, the relatives, the orphans, the poor, and the traveling alien, as per verses 2:215 and 17:26. There is a difference in Zakat (obligatory) and Sadquaat (voluntary), the former is compulsory and mandatory if you have earned money, while the latter is voluntary and the amount or ratio is not mandated. The voluntary charity (Sadqa) has to be given out of the excess…

A clear hint as to what and how much to give to voluntary charity is narrated through verses 2:219-220, and 17:26-38.

verses 12:47-49 and not to be excessive and extravagant in giving out the charity as narrated in verses 17:26-28.

17:26 You shall give the due alms to the relatives, the needy, the poor, and the traveling alien, but do not be excessive, extravagant.17:27 The extravagant are brethren of the devils, and the devil is unappreciative of his Lord.

The usury charged by the disbelieving people is in contrast to the charity commanded by Allah for the poor and needy people. Usury is just the opposite of charity. Charity is always given to the poor and needy people by those who make enough money that is beyond their needs. This money should be used for commerce, like doing some kind of business whereby you engage in trading of goods and services. It is incumbent on those who have excess money to part their rightful share of charity in the cause of Allah to the…