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ROI Calculator (Return on Investment)

Calculate simple ROI percentage, annualized ROI (CAGR), net profit, and investment multiple across any holding period.

● Calculated privately in your browser
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Methodology & Logic

How the ROI Calculator (Return on Investment) works

Calculate simple ROI percentage, annualized ROI (CAGR), net profit, and investment multiple across any holding period. Below is the exact mathematical or algorithmic model used by this investment utility, along with its key operating assumptions.

Core Formula / LogicSimple ROI = ((Returned − Invested) ÷ Invested) × 100. Annualized ROI = (Returned ÷ Invested)^(1/Years) − 1.

Step-by-step workflow

  1. Set your starting capital, rate, or tenure in the ROI Calculator (Return on Investment) controls (or pick a quick INR benchmark preset).
  2. The calculation engine applies Simple ROI = ((Returned − Invested) ÷ Invested) × 100. Annualized ROI = (Returned ÷ Invested)^(1/Years) − 1. on every change and separates principal from compounded gains or interest.
  3. Inspect the visual chart breakdown and adjust sliders to stress-test lower returns, higher inflation, or extra prepayments.
Practical Walkthrough

Worked example & key advantages

Example Scenario

Investing ₹5,00,000 and realizing ₹8,25,000 after 4 years delivers a 65% simple ROI and 13.34% annualized return.

Why use this ROI Calculator tool

  • Transparent compounding and amortization math (ROI Calculator) with Indian Lakh and Crore formatting.
  • Side-by-side visual charts showing how tenure, rate resets, or step-ups change lifetime wealth.
  • 100% browser-local execution—your loan, investment, and tax figures are never uploaded or stored on a server.

Important Assumptions & Scope

  • Assumes a single upfront outflow and a single terminal inflow.
Common Questions

Frequently Asked Questions — ROI Calculator

Clear answers to common questions about methodology, edge cases, and privacy.

Why is annualized ROI better than simple ROI?

Simple ROI ignores time—earning 50% in 1 year is vastly superior to earning 50% over 10 years. Annualized ROI normalizes performance per year.

Does the ROI Calculator (Return on Investment) send my financial or salary data to a server?

No. All calculations inside the ROI Calculator (Return on Investment) run 100% locally in your browser using deterministic TypeScript formulas. Your income, loan, or investment figures are never uploaded, stored, or shared.

How can I share or bookmark a scenario in the ROI Calculator?

Click '☆ Save to Workspace' in the header to pin the ROI Calculator to your local browser dashboard, or copy the page URL to reference this utility anytime.