Why should my target amount be adjusted for inflation?

If you want to live on equivalent of $1,000,000 in 25 years, the actual price of goods will have risen. The solver first converts your real goal into a nominal goal, then calculates the required investment.

Investing

Target Corpus Calculator

Calculate how much you need to save monthly or in a lumpsum to reach your financial target, adjusted for inflation.

Calculator Inputs

Target Goal in Today's Value ($)

Target Horizon (Years)

Expected Annual Return (%)

Expected Inflation Rate (%)

Planned Step-Up rate (%)

Required Regular SIP

$1,386/mo

Required Step-Up SIP

$923/mo

with +5% step-up annually

Required Lumpsum Today

$171,112

To achieve a purchasing power equivalent to $1,000,000 today in 25 years, inflation will require your final nominal nest egg to reach $1,853,944. You can achieve this by starting a flat monthly SIP of $1,386, or by starting a smaller SIP of $923 and increasing it by 5% every year.

Compounding Path to Goal

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Return Scenario Comparisons

Conservative (-2%)

8.0% Return

Nominal Value:$1,326,644

Real Value (Purchasing Power):$715,579

Purchasing Power Loss:46.1%

Expected (Base)

10.0% Return

Nominal Value:$1,853,944

Real Value (Purchasing Power):$1,000,000

Purchasing Power Loss:46.1%

Optimistic (+2%)

12.0% Return

Nominal Value:$2,629,595

Real Value (Purchasing Power):$1,418,379

Purchasing Power Loss:46.1%

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Calculation Methodology & Formulas

We solve for the required initial Systematic Investment Plan (SIP) contribution:

FV_nominal = FV_real × (1 + i)ⁿ

P_required = FV_nominal / [((1 + r_m)^months - 1) / r_m × (1 + r_m)]

Real-World Compounding Projections

Reaching a real $1,000,000 in 20 years

To buy what $1,000,000 buys today in 20 years (assuming 2.5% inflation), you need a nominal corpus of $1,638,616. To achieve this at 10% expected return, you must invest $2,165 per month.

Frequently Asked Questions (FAQ)

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