Q: How do i calculate zakat?
A: Assalamu Alaikum,
From the time you have the Nisaab you will check one year from that day. At the end of the year you will pay 2 ½ % on the total amount of your savings once it is equal to the Nisaab or above.
And Allah Knows Best.
Mufti Waseem Khan.
This answer was collected from DarulUloomTT.net, which is operated under the supervision of Mufti Waseem Khan from Darul Uloom Trinidad and Tobago.