HomeDev Tools › Investment Calculator

Investment Calculator (Profit/Loss · DCA · Position Size · R:R)

Trade profit/loss (including fees), average cost basis (DCA), position sizing by % risk, and risk:reward ratio. For stocks and crypto.

A set of investing calculators: profit and loss (P&L), average cost when buying more (DCA), and percentage returns — for stocks and crypto.

How to use Investment Calculator

  1. Choose a calculation (P&L, average cost, etc.).
  2. Enter the buy price, sell price, and quantity.
  3. See your profit/loss and rate of return.

Frequently asked questions

What is DCA (dollar-cost averaging)?

It's a strategy of buying at regular intervals over time to average out your cost basis and reduce the risk of buying at a peak. This tool calculates your average cost basis after multiple purchases.

🔒 Investment Calculator (Profit/Loss · DCA · Position Size · R:R) runs entirely in your browser — the data you enter is not sent to any server. Free, no sign-up required. See145 free dev tools more.