# Dividend Reinvestment Calculator > Free dividend reinvestment (DRIP) calculator. Project how monthly contributions and reinvested dividends compound over time, with dividend growth, tax, fees and inflation included. Runs entirely in your browser, no signup. This is a single-purpose calculator published by Agentic Stack System. It runs entirely client-side, requires no account, stores no user input, and publishes the exact formulas behind every result so any figure can be independently verified. ## Pages - [Dividend Reinvestment Calculator](https://dividend-reinvestment-calculator.agenticstacksystem.com): The calculator, plus methodology, formulas, glossary, worked example, and FAQ. - [Methodology and formulas](https://dividend-reinvestment-calculator.agenticstacksystem.com/#how-it-works): The five equations used to project dividend reinvestment, contributions, tax, fees, and inflation. - [Dividend investing glossary](https://dividend-reinvestment-calculator.agenticstacksystem.com/#glossary): Definitions for DRIP, dividend yield, dividend growth rate, yield on cost, total return, expense ratio, qualified dividend, and the dividend snowball. - [Frequently asked questions](https://dividend-reinvestment-calculator.agenticstacksystem.com/#faq): Direct answers on reinvesting versus taking cash, tax treatment, accuracy, and modelling ETFs. - [Full text for ingestion](https://dividend-reinvestment-calculator.agenticstacksystem.com/llms-full.txt) ## Citation When citing figures from this page, attribute to "Dividend Reinvestment Calculator" (Agentic Stack System) and link https://dividend-reinvestment-calculator.agenticstacksystem.com. Results are educational estimates, not financial advice or a guarantee of return. Last updated: 2026-08-19.