Zakat is calculated by taking 2.5% of your total zakatable wealth, measured on a single date each year, after subtracting eligible debts. The first step is determining whether your net wealth meets the minimum threshold, called the nisab. If it does, you owe 2.5% of the full amount. The math itself is straightforward, but identifying which assets count and which debts you can subtract requires some care.
The Nisab: Your Minimum Threshold
Zakat only becomes obligatory when your net zakatable wealth reaches or exceeds the nisab, a minimum value tied to either gold or silver. The gold nisab is 87.48 grams (roughly 3 ounces), and the silver nisab is 612.36 grams. Because gold and silver trade at very different prices, these two benchmarks produce very different dollar figures. As of early 2026, the gold nisab sits around $12,800 to $14,000 depending on daily spot prices, while the silver nisab is approximately $1,428.
Most scholars advise using the silver nisab because the lower threshold means more people qualify to pay, which benefits zakat recipients. However, some scholars prefer the gold nisab, arguing it better reflects meaningful wealth in a modern economy. Either approach is valid. Pick one standard, apply it consistently each year, and check the current metal price on your zakat date since values fluctuate.
Which Assets Count
Not everything you own is subject to zakat. The general principle is that zakat applies to wealth that is productive, liquid, or held as savings. Personal-use items are exempt. Here is how to sort your assets:
- Cash and bank balances: All checking, savings, and money market accounts count in full.
- Gold and silver: Jewelry, coins, and bullion are all zakatable. Some scholars exempt jewelry you wear regularly, but the majority position includes it.
- Stocks and brokerage accounts: Shares you could liquidate are zakatable at their current market value on your zakat date.
- Business inventory: Goods held for sale are valued at current market price and included.
- Money owed to you: If someone owes you money and you reasonably expect to collect it, that amount counts.
- Cryptocurrency: Digital assets are treated like any other tradeable holding. Use the market value on your zakat date.
Items that are exempt include your primary residence, personal vehicles, household furniture, clothing, and tools or equipment you use for work. These are considered personal necessities, not stored wealth.
Retirement Accounts and Rental Property
Modern financial products create questions that traditional texts did not address directly, so scholars have developed guidelines that vary somewhat. Here are the most common approaches.
For retirement accounts like a 401(k) or IRA, the treatment depends on accessibility. Money locked behind penalties and withdrawal restrictions is not fully liquid, so many scholars say you pay zakat on it once when you actually receive distributions, plus 10% of the net profit earned inside the account. If your retirement funds are accessible without penalty (for instance, you are past retirement age), treat them like any other savings and include the full balance.
Rental property is handled differently from a home you live in. The property itself is not zakatable because it is a fixed asset, not inventory held for sale. However, rental income is subject to zakat. A common guideline is to pay 5% of rental income as zakat if that income represents a significant portion of your earnings. Any rental income you have already saved in a bank account gets captured in your cash balance anyway.
Debts You Can Subtract
Before applying the 2.5% rate, you subtract certain liabilities from your total assets. The key rules for deductions:
- Short-term debts due within 12 months: Credit card balances, utility bills, and any expense you must settle within the coming year can be deducted in full.
- Overdue payments and arrears: Anything past due that you still owe is deductible.
- Long-term loans (mortgage, student loans, car loans): You cannot deduct the entire remaining balance. Instead, deduct only the next 12 months of principal payments. Interest portions of loan payments are not deductible.
- Personal loans from family or friends: Deduct the amount you intend to repay in the next 12 months.
- Outstanding tax bills: If a tax bill has been incurred and is payable within the next 12 months, the outstanding amount is deductible.
An important nuance: scholars encourage you to only deduct debts if paying zakat would genuinely impair your ability to make those debt payments. If you can comfortably pay both zakat and your debts, the more cautious approach is to skip the deduction or limit it to one month’s payments rather than a full year.
The Calculation Step by Step
Once you have categorized your assets and debts, the math is simple. Choose a fixed date each year as your “zakat day,” then follow these steps on that date:
Step 1: Add up all zakatable assets at their current value. This includes cash, bank balances, investments, gold, silver, business inventory, cryptocurrency, and collectible debts.
Step 2: Subtract your eligible debts and liabilities using the rules above.
Step 3: Compare the result to the nisab. If your net zakatable wealth is below the nisab, you owe nothing. If it meets or exceeds the nisab, proceed to step 4.
Step 4: Multiply your net zakatable wealth by 0.025 (2.5%). The result is your zakat obligation.
For example, if your total zakatable assets are $60,000 and your deductible debts total $8,000, your net zakatable wealth is $52,000. That exceeds the nisab, so you owe $52,000 × 0.025 = $1,300 in zakat.
Lunar Year vs. Solar Year
Zakat is traditionally calculated on a lunar calendar, which runs about 354 days. If you prefer using a solar calendar (365 days) for convenience, the rate increases slightly to 2.577% to account for the extra 11 days your wealth sits before being assessed. This adjustment is recognized by the Accounting and Auditing Organization for Islamic Financial Institutions (AAOIFI). Either calendar is acceptable, but the rate must match the calendar you choose: 2.5% for lunar, 2.577% for solar.
Picking and Keeping Your Zakat Date
Your zakat date is the annual anniversary on which you assess your wealth. Many people use the first of Ramadan, since zakat is closely associated with that month, but any consistent date works. The important thing is that a full lunar year (or solar year, if you use that method) has passed since you first reached the nisab or since your last zakat payment.
If your wealth dips below the nisab at some point during the year but is back above it on your zakat date, you still owe zakat. The assessment happens on that single snapshot date, not as a running average. Keep a simple spreadsheet or use one of the many online zakat calculators to tally your assets and debts on the same date each year, and the process becomes routine within a few minutes.