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Startup Investor Return Calculator: Exit Multiple & IRR

See what a startup cheque could return. Enter your investment, the entry post-money valuation, expected dilution from later rounds, the exit value and holding period to get your ownership at exit, proceeds, multiple and IRR.

QUICK ANSWEROwnership at entry = investment ÷ post-money. Ownership at exit = entry ownership × (1 − dilution from later rounds). Proceeds = exit ownership × exit value. MOIC = proceeds ÷ investment, and IRR ≈ MOIC^(1/years) − 1 for a single cheque and single exit.

Entry % = Investment ÷ Post-money
Exit % = Entry % × (1 − future dilution)
Proceeds = Exit % × Exit value
IRR = (Proceeds ÷ Investment)^(1 ÷ years) − 1

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⚠️ Pre-tax illustration, not investment advice.

What the Investor Return Calculator does

✅ Ownership at entry and exit
✅ Exit proceeds and MOIC
✅ IRR over the holding period
✅ Verdict vs venture return targets
✅ Copy or share

How to use the Investor Return Calculator

STEP 1
Enter your numbers
Type the figures you know. Every field starts with a realistic example so you can see how it works.
STEP 2
Read the result instantly
Results, tables and the plain-English explanation update as you type. No submit button, no login.
STEP 3
Test scenarios
Change one assumption at a time (valuation, growth, dilution, exit) to see what really moves the outcome.
STEP 4
Share or save
Copy the summary, send it on WhatsApp or print to PDF for your co-founders, board or investment committee.

Why early-stage investors need 10x+ potential

Most early-stage investments return little or nothing. A portfolio works only if a few companies return many times the money, so angels and seed funds look for each deal to have a credible path to 10x or more.

Dilution is the most underestimated input. Two or three later rounds at 15–25% each typically cut early ownership by 35–55% before exit unless you follow on.

Worked example

₹25 L at a ₹25 Cr post-money is 1%. After 40% dilution you own 0.6%. A ₹500 Cr exit after 7 years returns ₹3 Cr: 12x and about 43% IRR.

Frequently asked questions

What is a good return on a startup investment?

Venture investors target 3x+ net for a whole portfolio (roughly 20–25%+ IRR). For each individual early-stage deal they look for 10x+ potential because many deals fail.

How much dilution should I assume?

Roughly 15–25% per future priced round. From seed to exit, 40–60% total dilution is a reasonable planning range if you do not follow on.

Does this include liquidation preference?

No. Use the exit scenario simulator or liquidation preference calculator to model preferences in low exits.

Is this tool free? Do I need to sign up?

Yes. It is completely free, needs no login and has no usage limit. FastFee builds payment collection software; these startup and investor tools are free resources for founders, angels and fund managers.

Is my data private?

Yes. Everything you type stays in your own browser on this device (local storage). Nothing is uploaded to FastFee. Export or print a copy if you need to keep it.

Use it together with

Exit Scenario Simulator →Proceeds, multiple and IRR across exit values with probabilities and 1x preference.MOIC Calculator →Invested vs realized and unrealized value: MOIC/TVPI, DPI, RVPI and approximate IRR.Portfolio IRR Calculator (XIRR) →Combined XIRR across all your startup investments with per-company MOIC and IRR.

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More free investor returns

MOIC Calculator →Invested vs realized and unrealized value: MOIC/TVPI, DPI, RVPI and approximate IRR.Portfolio IRR Calculator (XIRR) →Combined XIRR across all your startup investments with per-company MOIC and IRR.Exit Scenario Simulator →Proceeds, multiple and IRR across exit values with probabilities and 1x preference.Follow-on & Pro-rata Investment Calculator →Pro-rata amount, amount to fully maintain ownership and ownership if you skip.Power Law Portfolio Calculator →Big wins needed to return the fund and net multiple from an outcome mix.

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