“The Accounting Rate of Return (ARR) is a financial metric that measures the expected profitability of a capital investment by dividing its average annual accounting net profit by the initial or average investment cost, expressed as a percentage.” – Accounting Rate of Return (ARR) – Financial ratios

Capital decisions often begin with a practical question: how much accounting profit will a proposed asset or project generate relative to the capital committed to it? The Accounting Rate of Return, or ARR, answers that question through a percentage based on expected accounting income. It is therefore a profitability screening measure rather than a complete valuation technique. Its usefulness lies in speed, familiarity and a direct connection with reported performance; its weakness is that accounting profit is not the same as cash generated or economic value.

In substance, ARR compares average annual accounting profit attributable to an investment with either the initial investment or the average investment tied up over the asset’s useful life. The commonly used expressions are ARR=\frac{\text{Average annual accounting profit}}{\text{Initial investment}}\times 100\% and, where average capital is preferred, ARR=\frac{\text{Average annual accounting profit}}{\text{Average investment}}\times 100\%. The first denominator is straightforward and convenient for internal screening. The second can better reflect the declining book value of a depreciating asset, but it also introduces a further accounting convention into the comparison.^1,3

Average annual accounting profit normally means the total expected accounting profit over the investment period divided by the number of years. It is not simply annual revenue and it is not ordinarily the same as annual cash inflow. Incremental revenues are reduced by incremental operating expenses, including depreciation, and the resulting profit may be measured before or after tax according to the organisation’s policy. If an existing asset is replaced, the relevant investment may be adjusted for disposal proceeds, while salvage value and working capital may be included or excluded depending on the stated method. These choices must be made consistently because a change in depreciation, useful life or tax treatment can alter ARR without changing the project’s underlying cash economics.^2,8

A simple illustration shows the mechanics. Suppose a project requires an initial investment of 240 000 and is forecast to produce total accounting profit of 90 000 over five years. Average annual profit is 90\,000\div 5=18\,000, so the initial-investment version of ARR is 18\,000\div 240\,000\times 100\%=7,5\%. If the asset has a zero terminal book value and management uses average investment, the denominator may be (240\,000+0)\div 2=120\,000, producing 15\%. Both results can be correctly calculated under their respective conventions, yet they imply materially different judgements. That is why an ARR report should always identify its denominator and profit basis.

How organisations use the ratio

Management usually compares ARR with a hurdle rate, target return or divisional benchmark. A project at or above the required percentage may pass an initial screen, while a project below it may be rejected or sent for further review. The measure is particularly convenient when managers already have forecast income statements and want a rapid indication of whether an asset is expected to improve accounting performance. It can also support post-investment review by comparing forecast ARR with the return subsequently recorded in the accounts. In that role, it is a performance measure as much as an investment appraisal measure.^1,9

ARR has several legitimate strengths. It is easy to explain to non-specialists, uses familiar profit concepts and can incorporate operating costs that a purely cash-focused shortcut might overlook. Unlike the payback period, it does not stop when the original outlay has been recovered; it considers accounting profit across the stated investment period. This can make it useful for a first-pass comparison, especially where projects are similar in scale, duration, risk and accounting treatment. Open educational guidance identifies simplicity and the focus on incremental income as important advantages, while also placing ARR among methods that do not adjust for the time value of money.^5,11

The principal theoretical problem is that ARR treats profit earned at different dates as if each pound had the same value. A profit recorded in the first year receives the same weight as an equal profit recorded in the fifth year, even though the later amount is less valuable when discounted at a positive required return. ARR therefore cannot determine whether a project creates value in present-value terms. Net present value instead discounts each relevant cash flow, using a relationship such as NPV=\sum_{t=0}^{T}\frac{CF_t}{(1+r)^t}, where CF_t is the cash flow in period t and r is the discount rate. A positive NPV provides a more economically grounded acceptance rule than a percentage threshold based only on average profit.^2,3

The distinction between profit and cash creates a second limitation. Depreciation reduces accounting profit but is not itself a cash payment in the period recorded. Conversely, working-capital movements, tax payments, opportunity costs and disposal proceeds may affect economic cash flow without appearing in ARR in the same way. Timing also matters for liquidity: a project can report an acceptable average profit while producing weak early cash flows that create financing pressure. Because ARR averages results, it may conceal a sharp decline, a back-loaded benefit or a loss in an individual year. ACCA specifically notes that ARR considers profits rather than cash flows and does not consider the timing of cash flows, which can make it unsuitable as a stand-alone decision rule.³

Debates over comparability and accounting policy

There is no single universally applied ARR convention. Some organisations divide by initial investment, others use average book value, and some adjust the denominator for residual value or working capital. Profit may be defined before or after tax, and depreciation may follow straight-line or another method. These choices can change project rankings even when expected cash flows remain constant. The ratio is therefore most reliable when used within one organisation under a clearly documented policy, rather than as an unqualified comparison between companies or sectors. A high ARR may reflect a low accounting denominator, favourable depreciation assumptions or a different profit definition rather than superior economic performance.^8,12

Major schools of thought differ mainly over the role assigned to accounting information. The traditional managerial-accounting view treats ARR as a simple supplementary measure: useful for communicating expected earnings and checking alignment with internal targets, but inferior to discounted cash-flow methods for value creation. A value-based finance view gives priority to NPV because investment should be accepted when the present value of expected cash inflows exceeds the present value of required outflows. IRR can add a percentage-based perspective, but it too depends on cash flows and can produce ambiguous results for unconventional projects. The sensible synthesis is not to discard ARR, but to prevent a familiar ratio from being mistaken for a complete economic analysis.^2,5

ARR still matters because capital decisions are made in organisations that care about both cash value and accounting outcomes. Reported profit can influence performance assessments, debt arrangements, management incentives and stakeholder perceptions, so an investment that creates cash value but depresses early accounting earnings may face internal resistance. ARR can expose that accounting impact and provide a common language between operational managers and finance teams. It should, however, sit alongside NPV, cash-flow forecasts, sensitivity analysis, risk assessment and strategic considerations such as regulatory compliance, resilience, safety or environmental effects. Used as a transparent screening ratio with its assumptions stated, ARR is informative; used alone to rank projects, it can produce decisions that look profitable in the accounts but destroy value in practice.

 

References

1. Accounting Rate of Return – Overview, Formula, and Uses – 2026-04-07 – https://corporatefinanceinstitute.com/resources/accounting/arr-accounting-rate-of-return/

2. Accounting Rate of Return (ARR) – Accounting Simplified – 2020-08-04 – https://accounting-simplified.com/management/investment-appraisal/accounting-rate-of-return-arr/

3. Accounting rate of return | FFM Foundations in Financial Management – 2016-06-20 – https://www.accaglobal.com/gb/en/student/exam-support-resources/foundation-level-study-resources/ffm/ffm-technical-articles/rate-return.html

4. Understanding Accounting Rate of Return (ARR) – SmartAsset – 2020-10-12 – https://smartasset.com/financial-advisor/accounting-rate-of-return

5. 13.3: Evaluate the Payback and Accounting Rate of Return … – 2021-02-27 – https://biz.libretexts.org/Courses/Folsom_Lake_College/ACCT_311:_Managerial_Accounting_(Black)/13:_Capital_Budgeting/13.04:_New_Page

6. Capital investment appraisal – https://nscpolteksby.ac.id/ebook/files/Ebook/Accounting/Financial%20and%20Management%20Accounting%20An%20Introduction%20(2006)/Chapter24.pdf

7. Accounting Rate of Return | Formula + Calculator – 2023-12-06 – https://www.wallstreetprep.com/knowledge/accounting-rate-of-return/

8. What is Accounting Rate of Return (ARR): Formula and Examples – 2024-05-29 – https://www.highradius.com/resources/Blog/accounting-rate-of-return-arr/

9. Accounting rate of return definition – AccountingTools – 2026-05-25 – https://www.accountingtools.com/articles/what-is-the-accounting-rate-of-return.html

10. Payback & Accounting Rate of Return – 2025-01-15 – https://www.varsitytutors.com/practice/subjects/managerial-accounting/lessons/payback-and-accounting-rate-of-return

11. 11.5 Compare and Contrast Non-Time Value-Based … – 2019-02-14 – https://openstax.org/books/principles-managerial-accounting/pages/11-5-compare-and-contrast-non-time-value-based-methods-and-time-value-based-methods-in-capital-investment-decisions

12. Accounting Rate of Return (ARR) Formula, Examples, Limits – 2026-02-18 – https://longbridge.com/en/learn/accounting-rate-of-return–101959

13. ARR – 2016-12-25 – https://www.accountingformanagement.org/accounting-rate-of-return-method/

14. 11.2: Evaluate the Payback and Accounting Rate of Return in … – 2019-04-17 – https://biz.libretexts.org/Bookshelves/Accounting/Managerial_Accounting_(OpenStax)/11:_Capital_Budgeting_Decisions/11.03:_Evaluate_the_Payback_and_Accounting_Rate_of_Return_in_Capital_Investment_Decisions

15. Microsoft Word – A71_03.doc – https://snf.no/media/kb3bxqvg/a71_03.pdf