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TheFinancePlans
Global tool · works in every currency

Target Corpus Calculator

See how much to save each month or as a lumpsum to reach your goal, with inflation built in.

Target Corpus Calculator: quick answer

Quick answer: To reach a $1,000,000 target in 25 years, plan against what it will actually buy: at 3% inflation in a typical global scenario, $1,000,000 then is worth only about $477,606 in today's money. Size your monthly SIP to the real target, not just the headline number, enter your goal below. See methodology →

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Default inflation rate for Other: 3.0% per year, based on long-run global CPI averages data (2026). You can override it in each calculator’s advanced options. See data sources for full citations.

How We Work It Out

We solve for the monthly SIP you need to start with:

FVnominal = FVreal × (1 + i)n
Prequired = FVnominal / [((1 + rm)months - 1) / rm × (1 + rm)]

Real-World Examples

Reaching what $1,000,000 buys today, in 25 years

To have what $1,000,000 buys today in 25 years (at 3% inflation), you need $2,093,778 in the future. At a 8% expected return, that means investing about $2,187 a month.

Frequently Asked Questions (FAQ)