To determine the nisab, the are two measures: either gold or silver.
Gold: The nisab by the gold standard is 3 ounces of gold (87.48 grammes) or its cash equivalent. This is approximately $4,780.06 for gold on 08 March 2021, but will vary with the market value of gold.
Silver: The nisab by the silver standard is 21 ounces of silver (612.36 grammes) or its equivalent in cash. This is approximately $503.10 on 08 March 2021.