On this page is an S&P 500 Rule of 20 Calculator. It adds the S&P 500 Price to Earnings Ratio (PE Ratio) to the year-over-year change in inflation (as measured by CPI-U) to come up with a dimensionless value to compare to 20. The tool shows the historical Rule of 20 valuation for the S&P 500 back to […]

On this page is a mutual fund return calculator which automatically computes an investment return, including reinvested dividends. Enter a starting amount and timeframe to estimate the growth of an investment in a mutual fund, or use the tool as a way to track index returns net of fees by entering popular tickers. Additionally, you […]

Below is an hours calculator. Use the easy-to-enter inputs and enter a starting time and an ending time, then hit the 'Calculate' button. We'll add up the number of hours (up to 23 hours and 59 minutes maximum). Hours Calculator Between Two Times Using the Hours Calculator To use the tool to find the hourly […]

On this page is an ETF return calculator and CEF return calculator which automatically computes total return including reinvested dividends. Enter a starting amount and time-frame to estimate the growth of an investment in an Exchange Traded Fund or Closed End Fund, or use the tool as an index fund calculator. Additionally, simulate periodic investments […]

Below is a stock return calculator and ADR return calculator which automatically factors and calculates dividend reinvestment (DRIP). Additionally, you can simulate daily, weekly, monthly, or annual periodic investments into any stock and see your total estimated portfolio value on every date. There are thousands of American stocks and ADRs in the database. Data is […]