Zakat Calculator

Calculate zakat by entering assets and liabilities. Supports gold and silver nisab standards, modern investments, and cryptocurrency holdings.

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Formula & Methodology

How Zakat Is Calculated: Formula, Variables, and Methodology

Zakat, one of the Five Pillars of Islam, is an obligatory form of charitable giving based on accumulated wealth. The calculation follows a precise formula rooted in Islamic jurisprudence (fiqh), requiring Muslims to donate 2.5% of their net qualifying assets once those assets meet or exceed the nisab threshold for one full lunar year (hawl).

The Zakat Formula

The core zakat equation is expressed as:

Z = (A − L) × 0.025, when (A − L) ≥ N

Where:

Z = Zakat payable
A = Total zakatable assets (cash, gold, silver, investments, business inventory, receivables, and other qualifying wealth)
L = Total liabilities (personal debts, business debts, taxes due, and other obligations)
N = Nisab threshold (the minimum net wealth required before zakat becomes obligatory)

If net assets (A − L) fall below the nisab threshold, no zakat is due. This ensures zakat applies only to those with surplus wealth beyond basic needs and obligations.

Understanding the Nisab Threshold

The nisab is set according to one of two standards established in prophetic tradition:

Gold standard: The equivalent value of 85 grams of gold. At a gold price of $90 per gram, the nisab equals approximately $7,650.
Silver standard: The equivalent value of 595 grams of silver. At a silver price of $1.05 per gram, the nisab equals approximately $625.

The gold standard is more commonly used in contemporary practice, though the silver standard results in a significantly lower threshold, meaning more people qualify as zakat-payers. According to the National Zakat Foundation, scholars recommend using whichever standard benefits the poor — typically the silver standard — though individual practice varies by school of thought.

Identifying Zakatable Assets

Zakatable assets fall into several categories, each with specific considerations:

Liquid Assets

Cash and bank balances: All cash on hand, checking accounts, savings accounts, and certificates of deposit count in full.
Receivables: Money lent to others that is expected to be repaid is included in the calculation.

Precious Metals

Gold and silver: The current market value of all gold and silver holdings applies. Some scholars exclude gold jewelry worn regularly for personal adornment, while others include it. The IslamQA scholarly resource provides detailed rulings on this distinction.

Investments and Business Assets

Stocks, ETFs, and equity holdings: Valued at current market price on the zakat calculation date.
Mutual funds and bonds: The full current market value of fixed-income and fund investments.
Cryptocurrency: Digital assets are treated as zakatable wealth by many contemporary scholars, valued at market price on the calculation date.
Voluntary retirement savings: Voluntary contributions to accounts like 401(k)s and IRAs are generally zakatable. Scholars differ on employer-matched or mandatory pension portions.
Business inventory: Merchandise and goods held for trade are valued at current market price, not purchase cost.
Rental income: Accumulated net rental income counts as a zakatable asset. The property itself — whether personal-use or investment — is generally not zakatable, but the saved income from it is.
Other investment assets: Real estate purchased specifically for resale, commodities held for trade, and similar growth-oriented holdings.

Deductible Liabilities

The following obligations reduce total zakatable wealth before applying the 2.5% rate:

Personal debts: Outstanding loans, credit card balances, and mortgage payments due within the lunar year. Full mortgage deduction is a point of scholarly disagreement — some permit deducting only the current year's payments.
Business debts: Outstanding business loans, payables, and obligations.
Taxes due: Only taxes currently owed and payable are deductible, not future estimated taxes.
Other liabilities: Any additional debts or financial obligations.

Worked Example

Consider the following scenario using the gold nisab standard (gold at $90/gram, nisab = $7,650):

Cash and bank balances: $15,000
Gold jewelry value: $4,200
Stock portfolio: $22,000
Cryptocurrency: $3,500
Business inventory: $8,000
Credit card debt: −$2,700
Taxes due: −$1,500

Total assets (A) = $15,000 + $4,200 + $22,000 + $3,500 + $8,000 = $52,700

Total liabilities (L) = $2,700 + $1,500 = $4,200

Net zakatable wealth = $52,700 − $4,200 = $48,500

Since $48,500 ≥ $7,650 (nisab), zakat is obligatory:

Z = $48,500 × 0.025 = $1,212.50

Methodology and Sources

This calculator follows the methodology endorsed by leading Islamic institutions. The Zaytuna College Zakat Calculator applies the standard 2.5% rate on net zakatable assets above nisab, consistent with the Hanafi, Shafi'i, Maliki, and Hanbali schools of thought. The Islamic Relief Zakat Calculator follows a similar methodology and serves as a widely trusted reference used by millions of Muslims globally. Both sources confirm the 85g gold / 595g silver nisab standards and the inclusion of modern asset classes such as stocks and cryptocurrency under zakatable wealth categories.

For complex situations involving agricultural zakat (at 5% or 10%), livestock zakat, or mineral wealth, consulting a qualified Islamic scholar is recommended, as these categories follow different rates and rules.

Frequently Asked Questions

What is the nisab threshold for zakat in 2026?

The nisab threshold fluctuates with precious metal prices. Using the gold standard (85 grams of gold), the nisab at a gold price of approximately $90 per gram equals around $7,650. Using the silver standard (595 grams of silver), the nisab is considerably lower — approximately $625 at $1.05 per gram. Check current gold and silver spot prices on the calculation date for an accurate nisab figure. Most scholars recommend the gold standard for a more conservative approach, though using the silver standard benefits more recipients of zakat.

Is cryptocurrency subject to zakat?

Yes, most contemporary Islamic scholars classify cryptocurrency as a zakatable asset. Bitcoin, Ethereum, and other digital currencies are treated similarly to cash or tradeable goods. The zakat obligation applies to the current market value of all crypto holdings on the zakat calculation date, provided total net assets meet or exceed the nisab threshold. Because cryptocurrency prices are volatile, selecting a consistent annual date for calculation is important. The total crypto value is added to other zakatable assets before applying the 2.5% rate.

Do I pay zakat on my 401(k) or retirement account?

Voluntary contributions to retirement accounts such as 401(k)s and IRAs are generally considered zakatable by most scholars, as they represent accessible accumulated wealth. However, scholarly opinions differ on employer-matched portions and mandatory pension contributions. Some scholars argue that funds locked until retirement age or subject to penalties for early withdrawal are not immediately zakatable, while others calculate zakat on the full balance. A common middle-ground approach is to pay zakat on voluntary contributions plus any vested employer match, excluding penalty amounts.

Can I deduct my full mortgage from zakat calculations?

Mortgage deduction in zakat calculations is a point of significant scholarly debate. The Hanafi position generally allows deducting only debts that are immediately due — meaning only the current year's mortgage payments (principal and interest due within the lunar year) reduce zakatable wealth. Deducting the entire remaining mortgage balance would eliminate zakat obligations for most homeowners, which contradicts the spirit of the obligation. The majority scholarly opinion supports deducting only short-term liabilities due within the calculation period, not the full outstanding mortgage balance.

Is gold jewelry worn daily exempt from zakat?

This depends on the school of Islamic jurisprudence followed. The Hanafi school holds that all gold and silver — including personal jewelry worn regularly — is subject to zakat at 2.5% of its market value. The Shafi'i, Maliki, and Hanbali schools generally exempt gold and silver jewelry used for regular personal adornment, provided it is within customary amounts and not held as a store of wealth. Jewelry purchased as an investment or kept in storage without being worn is zakatable under all schools. Consulting a trusted scholar about personal circumstances provides the most accurate ruling.

What is the difference between using gold and silver nisab standards?

The gold nisab standard (85 grams of gold) produces a significantly higher threshold than the silver nisab standard (595 grams of silver) due to the price disparity between the two metals. For example, at current approximate prices, the gold nisab might be around $7,650 while the silver nisab could be approximately $625. Using the silver standard means more people qualify as zakat-payers, directing more wealth to those in need. Some scholars recommend the silver standard precisely because it benefits zakat recipients, while others prefer the gold standard as a more practical modern benchmark. The choice often follows regional scholarly tradition or individual consultation.