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Starting value of assets inside the modeled estate.
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Leave zero unless an authority has confirmed an exclusion.
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Enter the confirmed amount paid before distribution.
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Do not include a beneficiary's personal debt or an unverified claim.
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Choose Yes only for a wasiat amount that should be modeled before shares.
The applied amount cannot exceed one-third of the estate after prior deductions.
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Changing this also normalizes an incompatible spouse selection.
Choose the spouse situation at the time of death.
Direct sons only; grandchildren belong in the unsupported-heirs check.
Direct daughters only; descendants through children need official review.
Grandfathers are outside this simplified model.
Grandmothers are outside this simplified model.
Count siblings sharing both parents with the deceased.
Count siblings sharing both parents with the deceased.
Enter the combined count; male and female maternal siblings share equally here.
The calculator fails closed when the supported heir list is incomplete.
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Choose the label that matches the estate figures already entered.
Two decimals fits ordinary currency; four helps inspect fractional allocations.
Beneficiary groupBasisShareGroup amountEachCopy
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StepAmountTreatmentReview noteCopy
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Faraid shares cannot be settled from the estate value alone. The distributable property must first be identified, prior claims must be resolved, and the lawful heirs must be confirmed. A missing heir, disputed marriage, unverified debt, or property-ownership question can change every amount that follows.

The order matters. Confirmed property outside the estate is removed before inheritance, followed by funeral and administration expenses and the deceased's debts. A valid wasiat for non-heirs is then applied within the modeled one-third cap. Only the remaining distributable estate is divided among heirs.

Fixed share
A prescribed fraction that changes with the surviving family structure.
Residue
What remains after fixed shares, assigned through supported residuary relationships.
Blocking
A closer heir can prevent a more distant relative from receiving a modeled share.
'Awl
A proportional reduction when fixed claims together exceed the whole distributable estate.

Shares depend on who survives. A husband or wife receives a smaller fixed portion when descendants exist. A mother may receive one-third, one-sixth, or one-third of the remainder after the spouse in the supported parent case. Daughters without a son can receive fixed shares, while sons and daughters together receive residue in two-to-one units.

This simplified Sunni model covers a surviving spouse, direct sons and daughters, parents, full siblings, and maternal siblings. It does not determine legal heirship, lineage, disqualification, missing or unborn heirs, grandparents, grandchildren, consanguine siblings, distant kindred, matrimonial-property entitlement, adoption effects, or jurisdiction-specific residue treatment. Selecting that other heirs or disqualifying facts are present stops the calculation.

The output is an educational planning estimate, not a faraid certificate, court order, legal opinion, or authorization to transfer assets. Verify the estate, heir list, debts, wasiat, blocking rules, and final shares with the relevant Syariah court, religious authority, estate administrator, or qualified adviser before distribution.

How to Use This Tool:

Enter only facts that have been confirmed for the estate, and stop when the heir set falls outside the supported family pattern.

  1. Enter Gross estate, confirmed property outside the estate, expenses, and debts. Set Wasiat to non-heirs to Yes only for a valid amount to model; anything above one third after prior deductions is capped.
  2. Choose the deceased sex and matching surviving-spouse option, then enter direct sons, daughters, surviving parents, full siblings, and maternal siblings.
  3. Answer Other heirs or disqualifying facts honestly. A Yes or unsure answer withholds shares because the case requires official heir determination.
  4. Read Estate ledger before Heir shares. Treat an Official review reserve, an 'awl status, or any warning as a reason to verify the case before transfer.

Interpreting Results:

Distributable estate is the monetary basis for every modeled share. The currency choice is only a label; no exchange-rate conversion occurs. Each group row shows its collective share and amount, while the per-person amount divides that group equally among the entered count.

  • Modeled shares reconcile means the supported paths allocate the whole distributable estate. It does not certify the inputs.
  • 'Awl adjustment applied means fixed claims exceeded 100% and were reduced proportionally.
  • Official review reserve is unallocated. Do not treat it as a beneficiary or distribute it by guesswork.
  • A blocked-sibling warning explains why an entered sibling count receives no row under the modeled facts.
  • Amount precision changes display rounding only. Verify exact fractions and the authority's rounding or reconciliation practice before payment.

Technical Details:

The calculation has two stages. It first establishes the distributable estate after prior claims and a capped non-heir wasiat. It then assigns fixed claims, applies 'awl when necessary, and routes residue only through the supported common-heir rules.

Formula Core:

Let G be the gross estate, X confirmed property outside the estate, F funeral and administration expenses, and D debts. Estate before wasiat is P. Requested non-heir wasiat is W.

P=G−X−F−D Wapplied=min(W,P3) N=P−Wapplied

Prior deductions must leave P greater than zero. If the wasiat selector is No, any amount left in its field is ignored. Monetary allocations equal the final group share multiplied by distributable estate N.

Rule Core:

The supported fixed-share rules are applied from the declared family facts before residue is assigned.

Heir groupConditionModeled fixed share
HusbandNo descendants1/2
HusbandDescendants exist1/4
Wife or wives collectivelyNo descendants1/4
Wife or wives collectivelyDescendants exist1/8
MotherDescendants or at least two entered siblings1/6
MotherSpouse and both parents, without those conditions1/3 of the remainder after spouse
MotherOtherwise within the supported facts1/3
FatherDescendants exist1/6, with supported residue where applicable
One daughter, no sonDaughter is eligible1/2
Two or more daughters, no sonDaughters are eligible2/3 collectively
One maternal siblingNo descendant and no father1/6
Two or more maternal siblingsNo descendant and no father1/3 collectively
One full sister, no full brotherNo descendant and no father1/2
Two or more full sisters, no full brotherNo descendant and no father2/3 collectively

If fixed shares sum to more than 1, the 'awl factor is the reciprocal of that sum and every fixed claim is multiplied by it.

A=1∑sfixed sadjusted=sfixed×A

When fixed shares do not exhaust the estate, residue follows the first supported path that applies:

  1. Sons and daughters share residue in two son units to one daughter unit.
  2. Otherwise, a surviving father receives the residue.
  3. Otherwise, eligible full brothers and full sisters share in two brother units to one sister unit.
  4. Otherwise, full sisters may receive residue with daughters in the supported asabah case.
  5. Any remainder without a supported residuary path becomes an official-review reserve.

This model does not apply a general radd rule. It also fails closed when other heirs or disqualifying facts are declared, rather than estimating beyond its supported scope.

Limits and Official Review:

Real estate administration can turn on facts this model does not decide.

  • Confirm ownership, nominated assets, jointly held property, harta sepencarian, gifts, trusts, and liabilities before setting the estate value.
  • Obtain an official heir determination for disputed status, missing or unborn heirs, grandparents, grandchildren, half-siblings, distant relatives, or any possible disqualification.
  • Verify whether the wasiat is valid, who benefits, and whether consent or a jurisdiction-specific rule changes its treatment.
  • Do not transfer property from a planning estimate. Follow the court, religious authority, and estate-administration process that governs the case.

Worked Examples:

Common family allocation

A gross estate of 500,000 loses 50,000 of confirmed outside property, 8,000 of funeral and administration expenses, and 25,000 of debts, leaving 417,000. With one wife, one son, two daughters, and both parents, the wife receives 1/8 and each parent receives 1/6. The residue goes to the children in two-to-one units, producing collective son and daughter-group shares of 27.0833% each. The supported shares allocate the full estate.

Fixed claims require 'awl

For a 120,000 estate with a husband, one daughter, and both parents, the modeled fixed claims total 13/12. The 'awl factor is 12/13, so the adjusted shares become 6/13 for the daughter, 3/13 for the husband, and 2/13 for each parent. The proportional adjustment keeps the total at exactly one estate.

References: