Islamic Law Of Inheritance Calculator

Calculate precise distribution of an estate according to Sharia (Faraid) principles based on surviving heirs.

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Total Heirs Receiving

Distribution Logic: Net Estate is calculated after deducting debts. Fixed shares (Zawil Furud) are allocated first. Remaining estate is distributed among Residuary heirs (Asabah).

Heir Distribution Table

Heir Relationship	Share Fraction	Percentage	Amount

Visual Distribution

What is the Islamic Law of Inheritance?

The Islamic law of inheritance calculator is a tool designed to compute the division of an estate based on the principles of Faraid (Islamic Succession Law). Derived directly from the Quran, Sunnah, and consensus of Islamic jurists, this system ensures a fixed, equitable distribution of wealth among surviving relatives.

Unlike Western probate laws where a testator has broad freedom to will their assets, Islamic law pre-determines the shares of primary heirs—such as spouses, parents, and children—limiting the testamentary will (Wasiyyah) to a maximum of one-third of the estate for non-heirs. This system is designed to prevent family disputes and ensure financial security for immediate family members.

Common Misconceptions: Many believe that women always receive half the share of men. While true in the specific case of sons and daughters inheriting together, there are numerous scenarios (like uterine siblings or parents in certain cases) where shares are equal, or women may inherit more depending on the family structure.

Faraid Formula and Mathematical Explanation

The calculation follows a strict hierarchy. First, the Net Estate is determined by subtracting debts, funeral costs, and any valid bequest (Wasiyyah) from the total assets. The remaining wealth is distributed in two stages:

1. Ashab al-Furud (Fixed Share Owners): Specific quotas (1/2, 1/4, 1/8, 2/3, 1/3, 1/6) are given to primary heirs like the spouse, parents, and daughters (in the absence of sons).
2. Al-Asabah (Residuaries): The remainder is given to male agnates (like sons, father, or brothers), often shared with female counterparts (like daughters) on a 2:1 ratio.

Net Estate = Total Assets – (Debts + Funeral Expenses + Wasiyyah)
Share Amount = Net Estate × (Heir’s Fraction)

Key Variables Table

Variable	Meaning	Typical Value/Range
Total Estate	Gross value of all assets owned by deceased	Any positive currency value
Net Estate	Distributable amount after liabilities	Total – Liabilities
Share Fraction	Fixed Quranic portion (e.g., 1/8, 1/6)	0 to 1
Residue	Remaining estate after fixed shares	Variable

Practical Examples of Inheritance Distribution

Case 1: Husband Dies, Leaving Wife, Mother, and 1 Son

Inputs: Net Estate: 240,000. Deceased: Male. Survivors: Wife, Mother, Son.

• Wife: Receives 1/8 (due to presence of child). Calculation: 240,000 × 1/8 = 30,000.
• Mother: Receives 1/6 (due to presence of child). Calculation: 240,000 × 1/6 = 40,000.
• Son (Residuary): Receives the remainder. 240,000 – (30,000 + 40,000) = 170,000.

Case 2: Wife Dies, Leaving Husband and 2 Daughters

Inputs: Net Estate: 120,000. Deceased: Female. Survivors: Husband, 2 Daughters.

• Husband: Receives 1/4 (due to children). Calculation: 120,000 × 1/4 = 30,000.
• Daughters: Together receive 2/3. Calculation: 120,000 × 2/3 = 80,000. Each receives 40,000.
• Remainder: 120,000 – 110,000 = 10,000. (Returned to heirs or given to other agnates depending on detailed rules; this calculator focuses on primary distribution).

How to Use This Islamic Law of Inheritance Calculator

1. Enter Financials: Input the total value of assets (cash, property, gold) and any outstanding debts or funeral expenses. The calculator automatically computes the Net Estate.
2. Select Deceased Gender: This determines whether the surviving spouse is a Husband or Wife, which affects the share fraction.
3. Identify Heirs: Select “Yes” or “No” for parents and spouse. Enter the number of sons and daughters.
4. Review Results: The tool will instantly display the breakdown of shares in the table and visual chart.
5. Analyze the Ratios: Use the percentages to understand how the estate is divided relatively.

Key Factors That Affect Inheritance Results

• Presence of Children: This is the most significant factor. Children often reduce the shares of the spouse (e.g., Husband drops from 1/2 to 1/4) and parents.
• Gender of Deceased: A husband’s share is generally double that of a wife’s share in similar circumstances.
• Debts and Liabilities: These must be cleared before any calculation. High debts can reduce the Net Estate to zero, leaving nothing for heirs.
• School of Thought (Madhab): While primary shares are consistent, differences exist in complex cases like “Aul” (pro-rata reduction) or “Radd” (return of residue), and distant relative inheritance.
• Wasiyyah (Bequests): Up to 1/3 of the estate can be willed to non-heirs (e.g., charity, adopted children). This calculator assumes the input is the Net Estate after Wasiyyah.
• Impediments to Inheritance: Factors like difference of religion or homicide can block an heir from inheriting. This tool assumes all selected heirs are eligible.

Frequently Asked Questions (FAQ)

1. Does the calculator handle the “Aul” doctrine?

In complex cases where total shares exceed 1 (e.g., Husband + 2 Sisters), the denominator increases to accommodate all shares proportionally. Basic calculators may not handle this, but advanced Faraid computations require it.

2. Can I use this for a Will (Wasiyyah)?

No. Faraid applies to the automatic distribution of wealth. Wasiyyah applies only to the optional 1/3 of the estate given to non-heirs. Handle Wasiyyah separately before using this tool.

3. What if there are no sons, only daughters?

If there are no sons, daughters receive fixed shares (1/2 for one, 2/3 for multiple). The remainder may go to the father, brothers, or paternal uncles as residuaries.

4. Do adopted children inherit?

In Islamic law, adopted children do not inherit automatically as primary heirs. However, they can be provided for through the Wasiyyah (up to 1/3 of the estate).

5. What happens if debts exceed assets?

If debts exceed assets, the Net Estate is zero. Creditors are paid as much as possible, and heirs receive nothing.

6. Does the wife inherit from her husband’s property?

Yes, a wife always inherits a fixed share: 1/4 if there are no children, and 1/8 if there are children.

7. Why does the son get double the daughter’s share?

This is based on the Quranic verse (4:11). In Islamic financial structure, men bear the financial responsibility of the household, whereas women keep their wealth for themselves.

8. Are funeral expenses deducted first?

Yes. The order of deduction is: Funeral expenses -> Debts -> Wasiyyah -> Faraid distribution.