Finance

Buy-Sell Agreement Calculator

Find each owner's buyout value under a cross-purchase buy-sell agreement.


Buy-Sell Agreement Calculator

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A buy-sell agreement lets surviving owners buy out a deceased or departing owner’s share at an already-agreed price — funded, in a cross-purchase structure, by each owner carrying life insurance on the others.

How it works

Each owner’s buyout value is simply their ownership percentage applied to the agreed business valuation — the amount the other owners together need insured on that owner’s life to fund the purchase.

What this does not include

This computes a cross-purchase structure’s per-owner insurance need — an entity-purchase (redemption) structure, where the business itself owns the policies and buys back the share, has different funding mechanics this calculator doesn’t model.

How to use this calculator

  1. Enter the agreed business valuation.
  2. Enter this owner’s ownership percentage.

Frequently asked questions

Why does each owner need their own policy on the others?

In a cross-purchase structure, each surviving owner directly buys the departing owner’s share, so each needs enough insurance proceeds to fund their portion of that purchase.

What happens if the business valuation changes over time?

The agreement (and the insurance funding it) should be reviewed periodically — an outdated valuation can leave a significant funding gap when the buyout actually triggers.

Is a buy-sell agreement only for death?

No — many agreements also trigger on disability, retirement, or voluntary departure, each of which may need its own funding approach, such as this site’s disability buy-out calculator for the disability trigger.

Important: This is general information, not financial advice. Figures are estimates, and your lender or provider decides the real numbers. Check with a qualified adviser before acting on them.

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Written by

M. Whitfield

Personal finance writer

M. Whitfield writes the personal finance calculators, covering loans, mortgages, savings, tax and investment maths. The focus is on showing exactly which number goes into a formula and which assumptions a result depends on, so readers can tell when a figure applies to their situation and when it does not. Every finance page states what it does not account for as plainly as what it does.

Reviewed by

A. Whitfield-Reyes

Calculator reviewer — finance

A. Whitfield-Reyes reviews the finance calculators, checking compounding conventions, rate-period alignment, and whether each page is explicit about the costs and tax treatment it leaves out. Financial results are easy to state with false precision, so review focuses on whether the page makes its assumptions visible to a reader who is not looking for them.

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