Personal Investing Calculators

Calculators for individual investors covering stock profit and loss, cost basis, margin of safety, dollar-cost averaging, portfolio concentration, and capital gains tax.

Personal Investing Calculators

Tools for everyday investors tracking returns, managing position sizes, and estimating tax impact.

Stock Profit and Loss Calculator
Cost Basis Calculator (average cost, FIFO, LIFO)
Margin of Safety Calculator
Dollar-Cost Averaging Return Calculator
Portfolio Concentration Calculator
Capital Gains Tax Calculator