Business Zakat Calculator
Calculate zakat on business assets including inventory, receivables, and cash. Enter values for instant results with step-by-step formulas.
Calculator
Adjust values & calculateBased on 85g of gold at current market price
Formula
Sum all zakatable business assets, subtract current liabilities and debts, then multiply by the 2.5% zakat rate. Zakat is only due if the net amount meets or exceeds the nisab threshold for a full lunar year.
Last reviewed: December 2025
Worked Examples
Example 1: Small Retail Business Zakat
Example 2: Startup Below Nisab
Background & Theory
The Business Zakat Calculator applies the following established principles and formulas. Islamic financial and religious calculations operate within a framework that integrates theological principles with precise mathematical methodology. Zakat, one of the five pillars of Islam, requires payment of 2.5% of qualifying wealth held above the nisab threshold for a complete lunar year. The nisab is pegged to the value of 85 grams of gold or 595 grams of silver, whichever provides the lower threshold, and must be recalculated against current market prices. Qualifying wealth includes cash, savings, business inventory, and investment assets, but excludes primary residence, personal-use items, and tools of trade. Hijri calendar conversion is essential for determining Ramadan dates, Zakat anniversaries, and contract terms expressed in lunar months. The Hijri calendar contains 12 lunar months totalling approximately 354.37 days, making it roughly 11 days shorter than the Gregorian year. Converting between calendars requires accounting for the accumulated drift: since the Hijri epoch of 622 CE (the Prophet's migration from Mecca to Medina), the difference compounds annually. Qibla direction calculation employs spherical trigonometry to determine the great-circle bearing from any point on Earth toward the Kaaba in Mecca (coordinates 21.4225°N, 39.8262°E). The formula accounts for the curvature of the Earth, meaning the bearing from New York to Mecca is approximately northeast rather than the intuitive eastward direction seen on flat maps. Prayer times are determined by solar angles: Fajr begins when the sun is 15-18 degrees below the horizon before dawn; Dhuhr at solar noon; Asr when shadow length equals object height plus its shadow at noon; Maghrib at sunset; and Isha when twilight disappears. These calculations vary by latitude and season, requiring location-specific algorithms. Islamic finance prohibits riba (interest), requiring profit-sharing structures such as Mudarabah (capital provider and entrepreneur share profits at a pre-agreed ratio) and Musharakah (joint venture with proportional profit and loss sharing).
History
The history behind the Business Zakat Calculator traces back through the following developments. Islamic civilisation made foundational contributions to mathematics and astronomy that underpin many of the calculation methods still used today. Muhammad ibn Musa al-Khwarizmi, working at the House of Wisdom in Baghdad in the 9th century, authored Al-Kitab al-mukhtasar fi hisab al-jabr wal-muqabala, the work from whose title the word algebra derives. His systematic approach to equation solving provided tools directly applicable to financial and calendar calculations. Al-Biruni in the 11th century developed sophisticated methods for calculating geographic coordinates and direction, including early formulations of what became the qibla calculation. The Hijri calendar was formally established by Caliph Umar ibn al-Khattab in 638 CE, fixing the Prophet Muhammad's migration (Hijra) from Mecca to Medina in 622 CE as the epoch. This calendar standardised religious observances across the expanding Muslim world. Islamic inheritance law (Faraid) was codified from Quranic verses and Hadith during the early Islamic period, establishing precise fractional shares for defined classes of heirs. The complexity of multi-heir scenarios drove development of sophisticated fraction arithmetic among early Islamic jurists and mathematicians. The Ottoman Empire administered Zakat as a state function for centuries, integrating it with broader fiscal policy until the empire's dissolution after World War I. The 20th century saw Islamic finance principles largely dormant in formal banking until the resurgence of Islamic banking in Egypt (Mit Ghamr Savings Bank, 1963) and the Gulf states following the 1973 oil boom provided capital for institution-building. The Accounting and Auditing Organization for Islamic Financial Institutions (AAOIFI), established in Bahrain in 1991, and the Islamic Financial Services Board (IFSB), established in Kuala Lumpur in 2002, created the standards infrastructure for modern Islamic finance. The global Islamic finance industry has grown to approximately three trillion US dollars in assets, spanning banking, takaful insurance, sukuk bonds, and Islamic funds across over 80 countries.
Key Features
- Calculate Zakat obligations on cash, savings, gold, silver, and business inventory by comparing total wealth against the nisab threshold and applying the 2.5% annual rate.
- Convert dates bidirectionally between Hijri (Islamic lunar) and Gregorian calendars, handling month boundary variations with both calculated and observed moon sighting options.
- Compute the Qibla direction (bearing) from any GPS coordinate to Mecca using great-circle calculations, with both compass bearing and map visualization.
- Calculate Islamic prayer times (Fajr, Dhuhr, Asr, Maghrib, Isha) for any location and date using sun angle methods from major juristic schools (Hanafi, Shafi'i, MWL, ISNA).
- Compute Mudarabah and Musharakah profit-sharing ratios between capital provider and working partner, with scenarios for different profit splits and loss allocation rules.
- Compare the effective cost of halal financing structures (Murabaha, Ijara, Diminishing Musharakah) against conventional interest-bearing loans for equivalent purchase amounts.
- Distribute an estate under Faraid Islamic inheritance law by entering heirs and their relationships, then calculating each heir's prescribed fractional share of the net estate.
- Estimate the likely start date of Ramadan and Eid al-Fitr by calculating the expected new lunar crescent visibility from a given location and historical sighting criteria.
Frequently Asked Questions
Sources & References
Formula
Zakat = (Cash + Receivables + Inventory + Investments - Liabilities) x 2.5%
Sum all zakatable business assets, subtract current liabilities and debts, then multiply by the 2.5% zakat rate. Zakat is only due if the net amount meets or exceeds the nisab threshold for a full lunar year.
Worked Examples
Example 1: Small Retail Business Zakat
Problem: A shop owner has $50,000 cash, $20,000 in receivables, $30,000 inventory, $10,000 investments, and $15,000 in liabilities. Nisab is $5,500.
Solution: Total assets = $50,000 + $20,000 + $30,000 + $10,000 = $110,000\nZakatable wealth = $110,000 - $15,000 = $95,000\nSince $95,000 > nisab ($5,500), zakat is due\nZakat = $95,000 x 2.5% = $2,375
Result: Zakat Due: $2,375 per year ($198/month)
Example 2: Startup Below Nisab
Problem: A new business has $2,000 cash, $500 receivables, $1,000 inventory, no investments, and $800 in liabilities. Nisab is $5,500.
Solution: Total assets = $2,000 + $500 + $1,000 + $0 = $3,500\nZakatable wealth = $3,500 - $800 = $2,700\nSince $2,700 < nisab ($5,500), no zakat is due
Result: No zakat due — wealth is below the nisab threshold
Frequently Asked Questions
What is business zakat and how is it calculated?
Business zakat is an obligatory Islamic wealth tax of 2.5% levied on net business assets that meet or exceed the nisab threshold. It applies to cash balances, trade inventory at current market value, accounts receivable expected to be collected, and short-term investments. To calculate, you total all zakatable business assets, subtract current liabilities and debts due within the year, and then apply the 2.5% rate to the remaining zakatable wealth. The calculation must be performed at the end of a full lunar year (hawl) from when the wealth first reached nisab. Business zakat purifies commercial earnings and supports the community.
What business assets are subject to zakat?
Zakatable business assets include cash on hand and in bank accounts, trade inventory valued at current market price, accounts receivable that are expected to be collected, short-term investments and marketable securities, and raw materials intended for sale. Fixed assets used in business operations such as machinery, buildings, vehicles, and office equipment are generally exempt from zakat because they are not held for trade. Similarly, prepaid expenses and long-term assets not intended for resale are excluded. The key distinction is whether an asset is held for trading purposes or for operational use within the business.
What is the nisab threshold for business zakat?
The nisab is the minimum wealth threshold that triggers the obligation to pay zakat. It is based on the value of either 85 grams of gold or 612.36 grams of silver, whichever is lower. Most contemporary scholars recommend using the gold standard for business zakat, which at current market prices typically ranges between $5,000 and $6,000 USD. The nisab must be maintained for a full lunar year (approximately 354 days). If your net zakatable business assets remain at or above the nisab for the entire hawl period, zakat becomes obligatory at the 2.5% rate on the full amount, not just the portion exceeding the threshold.
How should inventory be valued for zakat purposes?
Trade inventory for zakat purposes should be valued at its current market selling price, not at the original cost or purchase price. This is the opinion held by the majority of Islamic scholars including the Hanafi, Shafi, and Hanbali schools of thought. If market value cannot be determined easily, then the wholesale replacement cost may be used as an alternative. Work-in-progress inventory should be valued at the cost of materials plus labor invested so far. Damaged or obsolete inventory should be valued at its realistic expected selling price. Raw materials intended for manufacturing goods for sale are also included in the zakat calculation at their current replacement cost.
Can zakat be paid in installments throughout the year?
Yes, many scholars permit paying zakat in advance through monthly or quarterly installments rather than in one lump sum at the end of the hawl year. This approach can ease the financial burden on business owners and provide a more consistent stream of support to zakat recipients. To do this, estimate your expected annual zakat obligation and divide by twelve for monthly payments. At the end of the hawl, recalculate your actual zakat due and reconcile any difference. If you overpaid, the excess counts as voluntary charity (sadaqah) or can be credited to the next year. If you underpaid, the remaining balance must be settled promptly to fulfill the obligation completely.
How do I get the most accurate result?
Enter values as precisely as possible using the correct units for each field. Check that you have selected the right unit (e.g. kilograms vs pounds, meters vs feet) before calculating. Rounding inputs early can reduce output precision.
References
Reviewed by Daniel Agrici, Founder & Lead Developer · Editorial policy