Articles & Guides

Learn about NPV, discounted cash flow and capital budgeting.

July 2026

WACC and NPV: Choosing the Right Discount Rate

What WACC is, how to calculate it, and how to use it as the discount rate in an NPV analysis — with a worked example.

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July 2026

NPV vs Payback Period: Which Is Better?

How net present value and the payback period differ, a worked two-project example, and which method to trust for capital budgeting.

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July 2026

Negative NPV but Positive IRR: What Does It Mean?

Why a project can show a positive IRR yet a negative NPV, what it really means, and the right decision — with a worked example.

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July 2026

What is Discounted Cash Flow (DCF)?

Understand discounted cash flow analysis, how it relates to NPV, and how to value an investment using future cash flows.

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NPV vs IRR: Which is Better for Capital Budgeting?

A side-by-side comparison of Net Present Value and Internal Rate of Return, and when to use each.

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How to Calculate NPV in Excel

Step-by-step guide to calculating Net Present Value correctly in an Excel spreadsheet, with a worked example.

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