Simplified rule: For shares held as investment, many scholars use 2.5% of market value (+ dividends). Traders may use other methods — consult a scholar for your case.
FAQs
What about Shariah-compliant screening?
Purify any non-compliant income portion separately; this calculator covers the Zakat amount.
Zakat on shares held briefly?
If held under a lunar year for trading, different rules may apply.