Estimate financial split in divorce. Each side keeps separate property + share of marital assets.
Spouse A net
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Spouse B net
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Marital net (assets minus debts)
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Your breakdown
Updates live as you type| Component | Spouse A | Spouse B |
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The first question in any split: which state are you in?
Two couples with identical finances can walk away from divorce with very different settlements depending solely on where they live. The United States runs two parallel systems. Nine community property states, namely Arizona, California, Idaho, Louisiana, Nevada, New Mexico, Texas, Washington, and Wisconsin, treat almost everything acquired during the marriage as owned 50/50, and the split reflects that. Alaska lets couples opt into community property by agreement. Every other state follows equitable distribution, where a judge divides marital property in whatever proportion seems fair, which is frequently not 50/50. This calculator lets you model both, including a skewed equitable outcome.
The other dividing line is marital versus separate property. Separate property, typically assets owned before the marriage, plus inheritances and gifts received by one spouse, generally stays with that spouse and is not divided. The tool keeps each spouse's separate property intact and only splits the marital estate, which is the realistic structure for most cases.
How the estate gets divided
The calculation is straightforward in its bones. It computes the marital net estate as marital assets minus marital debts, because debts are divided alongside assets. It then applies a split percentage to that net estate, 50% in a community property state or roughly equal equitable case, or 60/40 in the skewed scenario, and adds each spouse's untouched separate property on top.
An $800,000 marital estate in a community property state
Picture a couple with $800,000 of marital assets and $200,000 of marital debt. Spouse A owns $100,000 of separate property from before the marriage; Spouse B owns $50,000. They live in a community property state, so the marital net splits evenly. The result lands like this.
The marital half is identical at $300,000 each. The $50,000 difference in the final figures comes entirely from the separate property each brought in. The bars below show how the equal marital share sits on top of unequal separate property.
The trap of treating a dollar of retirement like a dollar of cash
A clean 50/50 split on paper can be deeply unequal in practice, because not all assets are taxed alike. A $300,000 traditional 401(k) is worth far less than $300,000 in a savings account, since every dollar withdrawn from the 401(k) will be taxed as ordinary income, while the cash is already taxed. The house carries selling costs and a potential capital gain. Splitting a qualified retirement plan also requires a Qualified Domestic Relations Order, a separate court order that lets the plan divide without triggering an early-withdrawal penalty. The practical takeaway is to negotiate on after-tax value, not headline value, and never accept an even nominal split of mixed account types without adjusting for the embedded tax.
Who is this calculator for?
Anyone beginning to think through a separation who wants a rough sense of how assets might divide before paying for legal advice. It is an educational estimate, not a substitute for a family law attorney. Equitable distribution in particular is highly discretionary, and judges weigh marriage length, each spouse's income and earning capacity, contributions including homemaking, and custody arrangements.
Does separate property always stay separate?
Not if it gets commingled. If you deposit an inheritance into a joint account, or use separate funds to improve a marital home, that money can lose its separate character and become divisible. Keeping separate assets in clearly separate accounts, with documentation of their origin, is what preserves the protection.
Is alimony or child support part of this split?
No. This tool divides the asset and debt balance sheet only. Spousal support and child support are separate ongoing obligations determined by income, custody, and state guidelines. Note that for divorces finalized after 2018, alimony is no longer deductible by the payer or taxable to the recipient under federal law, which changed the negotiating math considerably.