FAMILY LAW CALCULATORS

Alimony Buyout Calculator — United States

Estimate a lump-sum buyout of future alimony — the discounted present value of the stream of monthly payments.

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Annual rate used to discount future payments to present value. Typically 2%\u20135%.
For US divorces after 2018, alimony is not taxable or deductible, so no tax gross-up applies to post-2018 orders.

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Disclaimer: A support buyout requires actuarial and tax analysis and is normally final. This is an educational estimate only. Not legal or tax advice.

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Frequently Asked Questions

How is a lump-sum alimony buyout calculated in the US?
Multiply the monthly alimony by the number of remaining months, then discount that stream to present value using a reasonable discount rate (often 2%–5%). The result is a single up-front payment equivalent to the future stream. Because alimony for post-2018 divorces is no longer taxable or deductible, no tax gross-up is typically needed for those orders.
What are the benefits of buying out alimony?
A lump-sum buyout gives the recipient a guaranteed sum immediately, eliminating the risk that the payor loses a job, dies, or stops paying. It gives the payor a clean financial break and ends the obligation. It also avoids future modification fights. The downside is that a buyout is usually final and cannot be adjusted for later changes in circumstances.
What discount rate should be used for an alimony buyout?
There is no fixed rate. Discount rates commonly range from 2% to 5%, reflecting the time value of money and investment risk. A higher discount rate produces a lower lump sum. Both spouses should use a rate they can justify; a financial professional or actuary can help select an appropriate figure.
Is a lump-sum alimony buyout taxable?
For divorces finalized after 2018, alimony — including a lump-sum buyout — is generally not taxable to the recipient or deductible to the payor under the Tax Cuts and Jobs Act. Property settlements that are not characterized as alimony are also typically non-taxable transfers under IRC §1041. Confirm treatment with a tax professional.

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