About Our S&P 500 Calculator

Our Mission

We aim to provide investors with accurate, historical data-driven insights into S&P 500 returns. Our calculator helps you understand the potential of long-term market investments through nearly a century of market data.

Data Sources

Our calculations are based on:

  • Historical S&P 500 price data since 1928
  • Dividend reinvestment calculations
  • Consumer Price Index (CPI) adjustments

Methodology

Our calculator incorporates total returns, including price appreciation and dividend reinvestment. We use inflation-adjusted figures to provide the most accurate picture of historical investment performance.

Educational Purpose

This tool is designed for educational purposes to help investors understand historical market performance. While we strive for accuracy, all investment decisions should be made in consultation with qualified financial advisors.