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Updated 2026-06-13 · Investing · Educational use only ·
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Real Asset Return Calculator

Real return calculator.

Calculate real asset returns adjusted for inflation alongside nominal returns to see how inflation erodes investment growth over time.

What this tool does

This calculator models how inflation affects the growth of real-asset investments over time. It takes your initial investment amount, expected real annual return, inflation rate, and time horizon, then computes two figures: the final value in today's purchasing power (real return) and the final value in future prices (nominal return). The difference between these two outputs illustrates the cumulative effect of inflation on your investment. The real annual return and inflation rate are the primary drivers of this gap—higher inflation widens the spread between nominal and real outcomes. A typical use case is comparing how an investment grows in inflation-adjusted terms versus face-value terms over multiple years. The calculator assumes constant annual rates and does not account for taxes, fees, or changes in inflation or returns during the period. Results are estimates for educational illustration.

Quick answer: with the default values, the result is $219,112.31 (Real Value After 20 Years). Adjust the values below for your own figures.


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Formula Used
Principal
Real return
Years

Disclaimer

Results are estimates for educational purposes only. They do not constitute financial advice. Consult a qualified professional before making financial decisions.

Real assets such as property, infrastructure, commodities, and gold are often described as an inflation hedge because, historically, they have tended to maintain their real (inflation-adjusted) value. 100k in real assets returning 4% real over 20 years with 3% inflation: nominal return ~7.12%, ending value 395k nominal but 219k real - real value approximately doubled.

Real return = (1 + nominal return) / (1 + inflation) - 1. 10k at 7% nominal during 4% inflation: real return = 1.07/1.04 - 1 = 2.88%. This is lower than the headline 7%. Real assets are often discussed as an inflation hedge because, historically, their value has tended to track or outpace inflation during periods when fixed-rate bonds and cash lose purchasing power.

Real asset categories include property and REITs, infrastructure (toll roads, utilities), commodities such as gold and oil, inflation-linked government bonds, and farmland. Historical real returns vary widely by category and source: property and REITs have often been estimated at roughly 1-2% real long-term, infrastructure around 3-5%, and farmland around 4-6%, while commodities such as gold have tended to act as an inflation hedge with little real return over long periods. Real assets are often less liquid than stocks or bonds and have historically lagged during periods of falling inflation, which is one reason they commonly appear as a smaller part of a diversified portfolio rather than a core holding.

Quick example

With initial investment of 100,000 and real annual return of 4% (plus annual inflation of 3% and investment period of 20 years), the result is 219,112.31. Change any figure and watch the output shift — it's often more useful to see the pattern than to memorise the formula.

Which inputs matter most

You enter Initial Investment, Real Annual Return %, Annual Inflation %, and Investment Period. Not every input has equal weight. Adjusting one input at a time toward extreme values shows which ones move the result most.

What's happening under the hood

Real and nominal compound returns; inflation drag = nominal FV - real FV. The formula is listed in full below. If the number looks off, you can retrace the calculation by hand — that's the point of showing the working.

Where this fits in planning

This is a "what-if" tool, not a forecast. It helps to test ideas: what happens to the result as the Initial Investment or the Real Annual Return % changes. The value is in the scenarios you run, not the single answer you get from the defaults.

What this doesn't capture

This is a simplified model that holds its assumptions constant. Real outcomes vary with market conditions, costs, taxes, and timing, so the figure is best read as one scenario rather than a forecast.

Example Scenario

£100,000 at 4% real, 3% inflation over 20y = $219,112.31.

Inputs

Initial Investment:£100,000
Real Annual Return %:4%
Annual Inflation %:3%
Investment Period:20
Expected Result$219,112.31
Expected Result breakdown
Nominal Future Value$395,741.21
Inflation Erosion$176,628.90
Nominal Annual Rate7.12%
Real Annual Rate4.00%

This example uses typical values for illustration. Adjust the inputs above to match a specific situation and see how the result changes.

Sources & Methodology

Methodology

This calculator models the growth of an investment adjusted for inflation using the compound interest formula. It takes your initial investment and applies the real annual return rate—the return after inflation has been factored out—compounded over your specified investment period. The computation assumes a constant real return each year and treats inflation as already embedded in the return figure provided. The model does not account for fees, taxes, market volatility, or changes in inflation rates over time. Results show the purchasing power of your investment in today's terms, allowing comparison between nominal growth and inflation-adjusted outcomes.

Frequently Asked Questions

Real vs nominal return?
Nominal is the headline return; real is the inflation-adjusted return, or purchasing power. A 7% nominal return during 4% inflation works out to about 2.88% real. Real return reflects the actual change in what your money can buy, so comparing real returns across asset classes is often more revealing than comparing nominal figures, which can mislead during high-inflation periods.
What counts as a real asset?
Commonly cited real-asset categories include inflation-linked government bonds (for example, Treasury Inflation-Protected Securities in the US or index-linked gilts in the UK), which aim to track inflation plus a small real yield; REITs and property, historically estimated at roughly 1-2% real long-term; infrastructure, around 3-5%; and farmland, around 4-6% in some historical studies. Gold has tended to act as an inflation hedge with little long-term real return, and broad commodity funds can face contango drag. These are rough historical estimates, not forecasts.
How do portfolios use real assets?
Allocations vary widely. Some diversified, risk-balanced strategies have historically placed a meaningful share in inflation-linked bonds and commodities, while many retail portfolios hold a smaller slice in inflation-linked bonds or property. Real assets have tended to lag during periods of falling inflation, so they are often described as one component alongside growth assets such as stocks rather than a core holding. There is no single allocation that fits every situation.
When have real assets performed best?
Historically, real assets have tended to outperform stocks and bonds during periods of rising inflation (such as the 1970s and 2021-2022) and to lag pure equities during long disinflationary stretches (such as the 1980s-2010s). Inflation regimes are difficult to predict in advance, which is why some investors describe real-asset exposure as a long-term holding rather than a market-timing position.

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