Partnership Profit Waterfall Calculator

What each tier means

Return of capital

Before anyone shares in profit, each partner gets back the cash they put in and have not yet had back. If there is not enough to go round, it is paid in proportion to what each is still owed: two partners owed $200,000 and $50,000 who share $150,000 get $120,000 and $30,000.

Preferred return

A yearly percentage on that capital, paid to the money partners before the split. It is a priority, not interest on a loan: if the cash is not there, it is not owed by anyone personally. The rate is whatever the partners agree. The calculator starts at 8% only as a figure to change; it is not a market rate.

Cumulative or not

Cumulative means a year the return is not paid carries forward, so three unpaid years at 8% on $200,000 is $48,000 owed. Not cumulative means a missed year is gone, and only the current year's return is owed. Compounding means the unpaid return itself earns the rate: the same three years come to $51,942.

Catch-up

The preferred return goes only to partners with capital in, so it tilts the profit toward them. A catch-up tilts it back: after the preferred return, the working partner takes all (or most) of the next cash until their share of all the profit paid so far equals their share of the split. Then the split carries on as agreed.

The split, and a promote above a hurdle

What is left is shared by the agreed percentages, which can differ from who put in the capital. Some agreements give the working partner a bigger share once the money partners have done well: past twice their money, say, or past a yearly return of 15%. In real estate and investment funds that extra share is called a promote or carried interest. It rewards the person whose work produced the result, and it only costs the money partners on the part of the profit above the hurdle.

Order matters as much as the rates. Some agreements pay the preferred return before capital, some pay capital first only on a sale, and some put the catch-up after a hurdle rather than before. The calculator uses one common order; if the agreement says otherwise, the agreement governs.

A worked example the calculator reproduces

Say Partner A puts in $200,000 and does not work in the business. Partner B puts in nothing and runs it full time. The agreement gives A an 8% simple, cumulative preferred return and splits everything after that 50/50. Three years on, the business is sold and $400,000 is left after its debts and the costs of the sale.

Tier	Amount
Capital back to A	$200,000
Preferred return to A: 8% × $200,000 × 3 years	$48,000
Left to split: $400,000 − $200,000 − $48,000	$152,000
Each partner's 50% of it	$76,000
A in all: $200,000 + $48,000 + $76,000	$324,000
B in all	$76,000

Split by plain ownership, each would have had $200,000. The waterfall moves $124,000 from B to A, which is the point of it: A's $200,000 comes back whole and earns its return before B shares in anything. Whether that is fair depends on what B was paid along the way. Load this example.

With a full catch-up for B. After A's $48,000 of preferred return, B takes the next $48,000, which brings B level: $48,000 of the $96,000 in profit paid so far. The remaining $104,000 is split $52,000 each. A ends with $300,000 and B with $100,000, so B holds exactly half of the $200,000 of profit, which is what 50/50 meant to B in the first place. A still gets every dollar of capital back first. Load it.

With a hurdle instead. Now say the sale nets $700,000, there is no catch-up, and B's share rises to 60% once A has had twice the capital back, $400,000. After capital and the preferred return, A has $248,000. The 50/50 split runs until A has $152,000 more, which takes $304,000 of cash. The last $148,000 is split 60% to B, $88,800, and 40% to A, $59,200. A ends with $459,200 and B with $240,800; without the hurdle, B would have had $226,000. Load it.

A year's distribution is not a sale

Switch the calculator to "This year's distribution" for the cash a business pays out while it runs. A common arrangement pays the preferred return out of each year's profit and leaves capital in until a sale or a refinancing, so returning capital first is a box to tick there rather than the default. Enter the years of preferred return still unpaid, this year included: 1 if it has been paid in full every year so far. A cumulative return that this year's cash does not cover is carried forward and shown as unpaid. Hurdles are measured over the whole life of a deal, so they are offered for a sale only. How to split profits in a partnership sets the waterfall beside the other formulas: pro rata to capital, and a salary for the working partner first.

With no agreement on any of this, the default is blunt. Under the Uniform Partnership Act (1997), which most states have adopted in some form, partners share profits equally whatever each put in (§401(b)), are not paid for their work (§401(h)), and get no preferred return at all; contributions come back through the capital accounts when the partnership winds up (§807). The waterfall exists to replace that default with what the partners actually meant. Sweat equity partnerships walks through what goes wrong when the agreement never says.

Capital accounts, section 704(b) and the tax

The waterfall decides who receives cash. Tax follows a different ledger. Each partner has a capital account: what they put in, plus their share of profit, less what they took out and their share of losses (partnership capital accounts explained works through one). Each partner pays tax on the income allocated to them, whether or not any cash was paid out that year, so a cash waterfall can leave a partner with a tax bill and no distribution to pay it.

An agreement can allocate taxable income any way the partners choose only if the allocation has "substantial economic effect" under 26 U.S.C. §704(b); otherwise the IRS reallocates by each partner's interest in the partnership. The regulations' test (Treas. Reg. §1.704-1(b)(2)) includes keeping capital accounts by their rules and paying out on liquidation by those accounts. A cash waterfall does not follow capital accounts on its own, so agreements with one usually allocate each year's income and loss so the accounts end up where the waterfall would pay. That drafting is a job for the partnership's accountant and lawyer, not for this calculator. How the working partner's share is taxed when it is granted is its own question, covered in sweat equity partnerships and partnership taxes, Form 1065 and the K-1.

What the calculator assumes

• The capital entered was in for the whole period, and on a sale nothing was paid out before it. Capital put in at different times, or returned in stages, changes the preferred return and the IRR; an accountant's spreadsheet tracks those dates.
• An IRR hurdle is read as capital growing at that rate every year for the years entered: 12% over 3 years is 1.12 × 1.12 × 1.12, or 1.405 times capital. That is exact only when all the capital went in at the start and all the cash comes out at the end.
• Hurdles are measured on the money partners, meaning everyone but the working partner, and their share above a hurdle is divided among them by their own shares of the split.
• The cash entered is what is left to distribute, after the business's debts, taxes it pays itself, reserves and any salaries (how business partners pay themselves covers guaranteed payments).

The split itself usually starts from the ownership percentages; how co-founders split equity and the equity split calculator help set them, and founder vesting schedules protect them if the working partner leaves early.

General information, not legal or tax advice. The partnership or operating agreement decides the order, the rates and the definitions, and a lawyer and an accountant in your state should read the waterfall clause and the tax allocations before it is signed.