Investment Returns Calculator
Calculate investment growth with inflation adjustment
Investment Returns Calculator is a free, browser-based tool that lets you calculate investment growth with inflation adjustment — with zero signup, zero installation. Your data never leaves your browser. Part of 88+ free developer and business tools at wowhow.cloud, built and maintained by a team with 14+ years of hands-on development experience.
Real (Inflation-Adjusted) Value
After 20 years at 8% return, 3% inflation
Nominal Value
$417,680
+188.1% return
Real Value
$231,259
+59.5% real return
Total
$417.7K
Total Contributed
$145,000
Investment Growth
$272,680
Inflation Impact
-$186,421
Total Invested
$145,000
Nominal Growth
$272,680
Purchasing Power Lost
$186,421
Real Growth
$86,259
Year-by-Year Portfolio Growth
Nominal vs Real (Inflation-Adjusted) Value
Nominal Final Value
$417,680
Before inflation
Real Final Value
$231,259
In today's dollars
Inflation Erosion
$186,421
44.6% purchasing power lost
How to Use
Enter your initial investment amount in USD
Set your planned monthly contribution
Choose the expected annual return rate (e.g. 8% for stock market average)
Set the investment period in years
Toggle inflation adjustment to see real purchasing power of your returns
Frequently Asked Questions
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