Twenty five simple tools with plain English explanations. No signup, no cost.
More tools are on the investor tools page. Look up any term in the glossary or test yourself in Stock Jeopardy. For education only, not investment advice.
Compound Interest CalculatorSee how a starting amount and regular deposits can grow over time.Dividend Yield CalculatorFind the yield and the yearly income from a dividend stock.Price to Sales CalculatorCompare a company value with its yearly sales.Debt to Equity CalculatorSee how much a company owes compared with what its owners have put in.Return on Equity CalculatorSee how much profit a company makes from its owners money.Break-Even Price CalculatorFind your break-even price and the gain you need after a loss.Position Size CalculatorWork out how many shares keep your possible loss at a level you choose.Stock Split CalculatorSee what a stock split does to your shares and price.Savings Goal CalculatorFind the monthly deposit that reaches your goal in time.Inflation CalculatorSee how rising prices change what your money buys.CAGR CalculatorFind the smooth yearly growth rate between two values.Earnings Yield CalculatorTurn the P/E ratio upside down to see profit as a percent of price.