Combine your cash on hand and bank balances, compare against the Nisab, and find your 2.5% Zakat due.
The silver Nisab is 595g of silver. Look up today's silver price per gram and multiply by 595 — or use the Silver Nisab Calculator to get this figure, then paste it here. Silver Nisab is used as it is the lower, more cautious threshold.
This covers cash and bank savings held for one full lunar year. Please confirm your final figure with a qualified local scholar or Zakat institution.