Business & Finance

What is Return on Investment (ROI)?

A financial metric that measures the profitability of an investment by comparing the net profit to the cost of the investment, expressed as a percentage.

How It Works

ROI is one of the most widely used metrics for evaluating investment efficiency. It works for comparing different investments on equal footing — whether it's buying equipment, launching a marketing campaign, or investing in software. A positive ROI means the investment generated more than it cost. However, ROI doesn't account for the time value of money or risk, so it should be used alongside other metrics like NPV and IRR for major decisions.

Formula

ROI = (Net Profit from Investment ÷ Cost of Investment) × 100

Real-World Example

A business invests ₹5,00,000 in new equipment that generates ₹7,50,000 in additional revenue over 2 years with ₹1,00,000 in additional costs. ROI = (₹1,50,000 ÷ ₹5,00,000) × 100 = 30%.

Why It Matters

1

Ensures accurate financial reporting and record-keeping

2

Helps maintain regulatory and tax compliance

3

Enables better-informed business decisions

4

Improves operational efficiency and cash flow management

Frequently Asked Questions

What is a good ROI?

It depends on the context. Stock market: 7–10% annually is average. Business investments: 15–25% is generally good. Marketing campaigns: 5:1 (500%) is excellent. Always compare against your cost of capital.

What are the limitations of ROI?

ROI doesn't account for time (earning 30% in 1 year is better than 30% in 5 years), risk level, opportunity cost, or non-financial benefits. Use alongside NPV, IRR, and payback period for better decisions.

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