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Hurdle Rate vs IRR: Understanding the Difference

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Anshika

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Understand the difference between the hurdle rate and internal rate of return (IRR) and how each is referenced in project evaluation.

In investment decision-making and capital budgeting, two key concepts frequently arise: the hurdle rate and the internal rate of return (IRR). While both play important roles in evaluating projects, they are used for different purposes and are calculated differently. This article compares the two metrics, highlighting their definitions, purposes, uses, and key differences.

What Is Hurdle Rate

The hurdle rate is the minimum required rate of return that a project or investment must achieve to be considered acceptable. It serves as a benchmark for evaluating whether an investment is worth pursuing. The hurdle rate accounts for the cost of capital and the risk involved in the investment, ensuring that any investment undertaken is expected to generate returns above the set threshold.

What Is Internal Rate of Return (IRR)

The internal rate of return (IRR) is the rate at which the net present value (NPV) of an investment or project equals zero. Essentially, it is the discount rate that makes the present value of expected future cash flows equal to the initial investment. IRR is a measure of a project's profitability and is often compared to the hurdle rate to decide whether an investment should be undertaken.

Hurdle Rate in Investment Decisions

The hurdle rate is used in investment decisions to assess whether a project or investment meets the minimum required return. It is typically set by the company or investor based on the cost of capital and expected risks. For example, if a company’s cost of capital is 8%, the hurdle rate for any investment would be set slightly higher to cover the investment's risk and opportunity costs.

IRR in Capital Budgeting

IRR plays a significant role in capital budgeting by helping investors determine the rate of return a project is expected to generate. If the IRR is higher than the company's cost of capital or hurdle rate, the project is considered acceptable. Conversely, if the IRR is lower than the hurdle rate, the project is rejected, as it does not meet the required return.

Difference Between Hurdle Rate and IRR

Here are the main differences between the two ratios:

Aspect Hurdle Rate Internal Rate of Return (IRR)

Definition

The minimum acceptable rate of return for an investment.

The discount rate that makes the NPV of cash flows equal to zero.

Purpose

To set a benchmark for investment decisions.

To evaluate the profitability of a project.

Calculation

Determined based on the company’s cost of capital and risk.

Calculated by finding the rate that zeroes the NPV of cash flows.

Usage

Used as a threshold for investment acceptability.

Used to measure the potential return of an investment.

How Hurdle Rate Is Determined

The hurdle rate is set by evaluating multiple financial and economic factors that influence the minimum acceptable return on a project or investment, ensuring that the expected returns align with shareholder expectations.

  • Cost of capital
    This reflects the average cost of raising funds through debt and equity, and it forms the base level of return the project is expected to exceed.

  • Risk factors
    Higher levels of market, operational, or financial risk usually lead to a higher hurdle rate to compensate for the added uncertainty.

  • Inflation rates
    Expected inflation can reduce the real value of future cash flows, so it is often considered while estimating required returns.

  • Company’s return expectations
    Past project outcomes, strategic goals, and industry benchmarks can influence the return levels a company aims to achieve.
     

Together, these factors help ensure that only projects meeting the required return standards are considered financially viable.

How IRR Is Calculated

The Internal Rate of Return (IRR) is the discount rate that makes the Net Present Value (NPV) of all cash flows from a particular project or investment equal to zero. The formula for IRR is:

NPV = 0 = Σ [CFt / (1 + IRR)^t]

Where:

  • CFt = Cash flow at time t

  • IRR = Internal Rate of Return

  • t = Time period (usually expressed in years)

  • Σ = Summation of all cash flows over the project’s lifetime

To calculate IRR, the formula involves trial-and-error, or software tools like Excel can be used to compute it. IRR is the rate at which the present value of the cash inflows equals the initial investment (or cash outflows), meaning the project breaks even.

Limitations of Hurdle Rate and IRR

Both the hurdle rate and IRR have their limitations:

Hurdle Rate Limitations:

  • It is a subjective figure, influenced by assumptions about risk and cost of capital.

  • Setting a high hurdle rate may result in rejecting good investment opportunities with long-term benefits.
     

IRR Limitations:

  • IRR assumes that intermediate cash flows are reinvested at the same rate, which may not be realistic.

  • It can give multiple values for projects with unconventional cash flow patterns (e.g., alternating positive and negative cash flows).

Conclusion

While both the hurdle rate and IRR are important in evaluating investments, they serve distinct purposes. The hurdle rate is a benchmark that ensures investments meet a minimum return requirement, while IRR measures the potential profitability of a project. Understanding their differences helps evaluate project viability and informs decisions about capital allocation.

Disclaimer

This content is for informational purposes only and the same should not be construed as investment advice. Bajaj Finserv Direct Limited shall not be liable or responsible for any investment decision that you may take based on this content.

FAQs

What is the main difference between hurdle rate and IRR?

The hurdle rate is the minimum return required for accepting an investment, while IRR is the calculated return at which net present value becomes zero. An investment is typically evaluated by comparing its IRR against the hurdle rate.

IRR is commonly compared with the hurdle rate to assess project viability. When IRR exceeds the hurdle rate, the expected return is higher than the minimum required threshold set for accepting investments.

The hurdle rate is often used as a minimum required rate of return for projects. However, the required rate of return may also reflect an investor’s personal expectations based on risk assessment and opportunity cost.

The hurdle rate is usually based on the company’s cost of capital.
Hurdle Rate ≈ Weighted Average Cost of Capital + Risk Premium.
This approach ensures expected returns exceed financing costs and project-specific risk levels.

For example, if a company’s cost of capital is 8%, it may set a hurdle rate of 10%. This additional margin accounts for project risk and ensures returns are sufficient to justify capital allocation.

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Hi! I’m Anshika
Financial Content Specialist
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Anshika brings 7+ years of experience in stock market operations, project management, and investment banking processes. She has led cross-functional initiatives and managed the delivery of digital investment portals. Backed by industry certifications, she holds a strong foundation in financial operations. With deep expertise in capital markets, she connects strategy with execution, ensuring compliance to deliver impact. 

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