🧮 Tool

Compound Interest Calculator

A clean calculator that shows how money grows over time with compound interest. Visualizes the exponential curve so the math becomes intuitive.

FinanceCalculatorInvesting

What it does

Enter a principal, interest rate, contribution amount, and time horizon — see the growth curve and final value instantly. The visualization makes the power of compounding obvious.

Why I built it

Most compound interest calculators are either ugly or bury the chart. This one leads with the visual — the curve is the point.

Tech stack

Vanilla JS + Chart.js
Embedded directly on purerlabs.com