Verified Formula, Methodology & Frequently Asked Questions: Compound Interest, Monthly DCA & Inflation Calculator
Calculate future portfolio value with monthly contributions, daily/monthly compounding, and inflation-adjusted real purchasing power.
Verified Mathematical Equation: Future Value = P(1 + r/n)^(nt) + PMT × [((1 + r/12)^(12t) − 1) / (r/12)]; Real Value = FV / (1 + Inflation)^t
Frequently Asked Questions (FAQ)
How does the Compound Interest, Monthly DCA & Inflation Calculator work in 2026?
Calculate future portfolio value with monthly contributions, daily/monthly compounding, and inflation-adjusted real purchasing power. It uses the industry-standard formula (
Future Value = P(1 + r/n)^(nt) + PMT × [((1 + r/12)^(12t) − 1) / (r/12)]; Real Value = FV / (1 + Inflation)^t) and updates your KPIs, visual breakdown bar, and comparison table at 60fps as you type or drag the sliders.How can I share my exact scenario with a client, partner, or spouse?
Click the 🔗 Share Scenario Link button at the top of the page. It encodes every input you entered directly into a custom URL so anyone who clicks your link sees your exact numbers immediately.
Is my financial data private and does this work offline?
Yes—100% of calculations happen locally inside your browser using JavaScript. No personal or financial inputs are ever transmitted to an external database.
Can I embed the Compound Interest, Monthly DCA & Inflation Calculator on my own website or client portal?
Yes! Click </> Embed on Your Site (Free) above to copy a clean, responsive
<iframe> widget that automatically adapts to any screen size.