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VOO Calculator: Vanguard S&P 500 ETF Growth

Project VOO investment growth with monthly contributions. Compare VOO, IVV and SPY fees over 10, 20 and 30 years, with dividends reinvested.

Investment Parameters

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Instant answer

If you invest $1,000 upfront and $500/month for 20 years at a 10% annual return, you could reach about $388,634.

In today's money, at 2.5% inflation a year, that's worth about $237,172.

You put in $121,000. Interest earned adds about $267,634.

Millionaire path

To aim for $1,000,000 in 20 years, try about $1,307/month.

Your projected total

$388,634

After 20 years at a 10% annual return

Total Invested

$121,000

Your contributions

Interest earned

$267,634

221.19% return

Total Fees Paid

$802

You could lose $802 to fees over 20 years.

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Purchasing Power Analysis

Worth in today's purchasing power:

$237,172

This is what your final balance would be worth in today's money

Nominal value in future dollars:

$388,634

In 20 years at 2.5% annual inflation

Why the difference? Due to 2.5% inflation, your $388,634 in 20 years will have the same purchasing power as $237,172 today. This means goods and services that cost $237,172 today will cost $388,634 in the future.

Wealth Growth

Project VOO contributions and compare ETF fees

This VOO calculator starts with a 10% annual total-return assumption and Vanguard’s 0.03% expense ratio. Change the contribution, holding period and return to model your plan. For actual index history, use the S&P 500 calculator and its historical return tool.

What VOO's 0.03% fee costs over time

VOO, IVV and SPY all track the S&P 500. Holding the assumed gross return constant lets you compare their expense ratios. The table models the reduction in your ending balance; it does not predict which fund will perform best. To choose between VOO, IVV, SPY and the mutual funds, use the S&P 500 index fund comparison.

$1,000 initially, $500/month and an assumed 10% annual total return before fees. Dividend reinvestment is already included in that return.
YearsVOO (0.03%)IVV (0.03%)SPY (0.0945%)VOO minus SPY
10$105,796$105,796$105,396$400
20$388,634$388,634$385,342$3,292
30$1,151,995$1,151,995$1,136,039$15,956

Monthly compounding with start-of-month deposits. Monthly fees are deducted from the balance before growth. Nominal values, before taxes, trading costs and tracking differences.

Expense ratios retrieved 2026-09-27: Vanguard (VOO); iShares (IVV); State Street (SPY).

VOO dividends and reinvestment

Vanguard reported a 1.07% dividend yield as of 2026-07-31. Its fund fact sheet lists a quarterly distribution schedule. Sources retrieved 2026-09-27. The yield changes with distributions and price; it is not a promised payment rate.

The 10% starting assumption includes reinvested dividends. Adding the dividend yield on top would count that income twice. If you take distributions as cash, model a lower portfolio growth assumption or use the dividend reinvestment calculator to separate income and price growth.

How to use the VOO investment calculator

Enter your current balance and monthly contribution, then choose your holding period. The fee field starts at Vanguard’s published expense ratio. Try lower returns as well as the default: a fixed growth rate cannot reproduce market falls or the order in which they occur.

The fee comparison excludes brokerage costs, taxes and differences in tracking the index. Use your broker’s actual costs when estimating what you could keep. Past returns do not guarantee future results.

Built and maintained by Oscar Gallego Ruiz. Historical data through 2025. Methodology and sources.

Disclaimer: WealthSim is an independent educational tool for financial simulation and is not affiliated with any financial institution, including Wealthsimple. All calculations are for educational purposes and do not constitute financial advice.

Frequently Asked Questions

What expense ratio does this VOO calculator use?
The fee defaults to 0.03% a year, from Vanguard, retrieved 2026-09-27. Change it if the issuer updates the ratio or you want to model another ongoing cost.
Does the VOO return assumption include dividends?
Yes. The initial 10% assumption is a total-return scenario with dividends reinvested. Do not add the dividend yield again. The assumption is not a forecast of VOO returns.
Does VOO pay dividends monthly?
Vanguard lists a quarterly distribution schedule. Its reported dividend yield was 1.07% as of 2026-07-31; both sources were retrieved 2026-09-27 and are linked above. Future payments can differ.
Why do VOO and IVV have the same result in the table?
Both use a 0.03% expense ratio in this comparison. Equal contributions, gross returns and fees produce equal modeled balances. Real fund returns can differ because of tracking and trading costs.

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