Waterfall Split Calculator

Waterfall splits depend on whether the pref tier is paid. In pref tier: pure pro-rata. In promote tier: GP takes their pro-rata share PLUS a promote on the LP's share. This calculator shows both and isolates the GP promote premium above pro-rata.

Distribution amount

LP equity %

GP promote % (above pref)

Pref already paid

LP distribution

$720,000

GP distribution

$280,000

GP promote (above pro-rata)

$180,000

How the math works

Waterfall split rules depend on the tier. In the pref tier, splits are pure pro-rata to invested equity. In the promote tier (above pref), the GP gets their pro-rata share PLUS promote on the LP share — which is the source of outsized GP returns on value-add deals.

Example: LP has 90% equity, GP has 10%. In pref tier, 1M distribution splits 900K/100K. In promote tier with 20% promote, GP takes 10% pro-rata ($100K) + 20% of LP's 90% ($180K) = $280K; LP takes $720K.

Editorial noteMaintained by EveryCalc - Reviewed June 2026

EveryCalc calculators are designed for fast, practical estimates with transparent inputs and no required account. We use plain formulas, visible assumptions, and related tools so visitors can check the result from more than one angle.

Results are informational only. For financial, tax, legal, medical, construction, or other high-impact decisions, verify the output against primary sources or a qualified professional.

Learn more about our review process on the EveryCalc methodology page.

How this calculator works

What this page estimates

This Waterfall Split Calculator is built to give a quick, browser-based estimate for waterfall split. Waterfall splits depend on whether the pref tier is paid. In pref tier: pure pro-rata. In promote tier: GP takes their pro-rata share PLUS a promote on the LP's share. This calculator shows both and isolates the GP promote premium above pro-rata. The inputs stay on the page during normal use, and the result should be treated as an estimate for planning, comparison, or education rather than professional advice.

Calculation approach

The calculator applies the standard relationship implied by the inputs, then formats the answer so it can be checked and reused. For finance tools, the most important step is using consistent units, rates, time periods, and assumptions before comparing the result with another calculator or outside quote.

Example workflow

For example, start with a realistic value you already know, change one input at a time, and watch how the answer moves. That makes it easier to tell whether the result is being driven by the main amount, the rate, the time period, or a unit conversion.

Practical checks

Use current, real-world numbers when the result affects money, health, tax, or legal decisions.
Run a low, base, and high case when the inputs are estimates.
Check the related calculators below when the next decision depends on a different assumption.

How to interpret the waterfall split result

Best use

Use the result as a planning number for comparing payments, rates, returns, tax reserves, or cash-flow choices before you request a quote or make a commitment.

Cross-check

Compare the answer with the contract, lender estimate, tax form, brokerage statement, payroll record, or invoice that will control the real-world outcome.

Watch for

Do not rely on a single optimistic rate, return, or fee assumption. Money pages work best when you run low, base, and high cases and keep professional advice separate from the estimate.

This page belongs to the Finance calculator library, so the answer should be read in the context of the decision you are modeling rather than as a universal rule.

Before relying on this waterfall split estimate

Most calculator mistakes come from the inputs, not the arithmetic. Use this short audit before you reuse the answer in a spreadsheet, quote, application, or important conversation.

Confirm source numbers

Match balances, rates, fees, taxes, income, and payment dates against the lender quote, payroll record, tax form, statement, invoice, or contract.

Separate cash flow from total cost

A lower monthly payment can still cost more over time if fees, interest, taxes, or a longer term are hidden in the structure.

Run conservative cases

Test at least one higher-cost or lower-return case before using the output for a purchase, refinance, investment, loan, or tax decision.

Rerun this page when the rate, price, term, fee, tax rule, income, expense, or expected holding period changes.

How to Use

Enter the distribution amount.
Enter LP equity percentage and GP promote percentage.
Select whether pref is already paid.
Read LP and GP shares plus GP promote.

Frequently Asked Questions

Is GP promote a cost to LP?

Yes. Promote flows from LP's share — that's why it's meaningful. On $1M distribution with 90% LP equity and 20% promote, LP's 'natural' $900K becomes $720K after promote. GP's $100K becomes $280K.

How many tiers?

Simple deals: 2 tiers (pref + above). Standard: 3 tiers (pref, 20/80 to target IRR, 30/70 above). Complex: 4+ tiers tied to specific IRR hurdles. Each tier has its own split math.

American vs European waterfall?

European: pref + capital returned first, then promote on any profit after. American (deal-by-deal): each deal runs its own waterfall; promote on early winners can be clawed back if later deals underperform.