Key Takeaways
- Profit alone does not tell the whole story: A business can be profitable while generating a relatively low return on the capital invested in its operations.
- Return on capital measures of efficiency: It helps business owners assess how effectively their financial resources are being used to generate operating profit.
- Compare returns with the cost of capital: A business generally creates financial value when its return on invested capital exceeds its cost of capital, although other strategic and risk considerations also matter.
- Use consistent financial information: Reliable profit figures and a realistic measure of invested capital are essential for meaningful calculations.
- Look beyond a single reporting period: Reviewing trends over several years can reveal whether returns are improving, deteriorating or affected by unusual circumstances.
- Identify the source of weak returns: Excess inventory, underused equipment, low margins, and inefficient working capital can reduce capital efficiency.
- Make decisions based on financial evidence: Regular reporting and forecasting can help businesses decide whether to reinvest, reduce costs, change pricing, or redirect capital.
Main Text Content
Why Return on Capital Matters for Australian Businesses
Business owners often measure success through revenue growth, customer numbers, and annual profit. These are important indicators, but they do not necessarily reveal whether the business is using its capital effectively.
Capital includes the financial resources invested in operating and growing a business. Depending on the business structure and circumstances, this may include owners’ funds, retained earnings, borrowings, and other financing used to support operations.
A business that generates $200,000 in annual operating profit using $1 million in invested capital is producing a different level of return from a business that generates the same profit using $400,000.
Both businesses may be profitable, but the second business generates more operating profit relative to the capital committed to its operations.
This distinction becomes particularly important when a business is considering expansion, purchasing equipment, opening another location, or investing in additional staff and inventory.
Capital is limited. Money committed to one investment cannot always be used elsewhere, and borrowing to fund expansion may increase interest expenses and financial risk.
Understanding return on capital helps business owners evaluate whether their existing operations justify the resources invested in them and whether proposed investments are likely to generate sufficient value.
What Is Return on Capital?
Return on capital is a financial measure used to assess how effectively a business generates returns from the capital invested in its operations.
One commonly used measure is Return on Invested Capital (ROIC). It compares a business’s after-tax operating profit with the capital invested to generate that profit.
The general formula is:
ROIC = Net Operating Profit After Tax ÷ Invested Capital × 100
Net operating profit after tax, commonly abbreviated as NOPAT, represents operating profit after an estimated tax charge. It generally excludes financing costs, so the operating performance can be evaluated independently of how the business is funded.
Invested capital typically represents the funds committed to operating assets, after accounting for relevant operating liabilities. The exact calculation can vary depending on the business, its financial structure, and the purpose of the analysis.
For example, assume an Australian business reports the following figures:
- Annual operating profit before interest and tax: $250,000
- Estimated tax on operating profit: $62,500
- Net operating profit after tax: $187,500
- Invested capital: $1,250,000
The business’s ROIC would be:
$187,500 ÷ $1,250,000 × 100 = 15%
This means the business generated approximately 15 cents in after-tax operating profit for every dollar of invested capital during the period.
The result provides a useful starting point for evaluating performance. However, it does not automatically mean the business is performing well or poorly. The result needs to be considered alongside the company’s cost of capital, industry conditions, business risks, and historical performance.
How to Calculate Your Business’s Return on Capital
Calculating return on capital requires two main inputs: a consistent measure of operating profit and a realistic estimate of invested capital.
Step 1: Determine Your Operating Profit
Start with your business’s profit and loss statement.
For ROIC, the usual starting point is operating profit before interest and tax, often called EBIT. This focuses on the profit generated by business operations before financing costs and income tax.
Review your accounts to ensure the figure reflects normal operating activity. Unusual expenses, one-off gains, and exceptional events may distort the results of a particular reporting period.
For example, selling a business asset may generate a one-off gain that increases reported profit. Including that gain without adjustment could make the business’s underlying operating performance appear stronger than it really is.
Any adjustments should be documented and applied consistently, so the results remain useful for comparison.
Step 2: Estimate the Tax on Operating Profit
To calculate NOPAT, estimate the tax attributable to operating profit.
For a simplified example, if operating profit is $250,000 and an illustrative tax rate of 25% is applied, the estimated tax amount is $62,500. This leaves a NOPAT of $187,500.
The 25% rate in this example is an assumption for calculation purposes, not a tax rate that applies to every Australian business. The actual tax treatment depends on the business structure, eligibility for applicable company tax rates, taxable income, and other circumstances.
For a more accurate assessment, work with your accountant to determine an appropriate approach to estimating the tax associated with operating earnings.
Step 3: Calculate Invested Capital
Invested capital represents the funds used to support the operations that generate the business’s returns.
Depending on the calculation method, it may include operating assets such as equipment, property used in the business, inventory, trade receivables and other relevant assets, less operating liabilities such as trade payables.
Another approach is to calculate invested capital from the business’s financing structure, using relevant debt and equity balances, and making appropriate adjustments for non-operating assets and liabilities.
The method should match the profit measure being used. For example, ROIC generally compares after-tax operating profit with operating capital rather than simply dividing net profit by the total assets shown on the balance sheet.
It is also important to distinguish between assets used in operations and assets that are not directly involved in generating operating profit. Excess cash or an investment property held outside the core business may need to be treated separately, depending on the purpose of the analysis.
If the business’s capital changes significantly during the year, using average invested capital may provide a more representative result than using only the closing balance.
Step 4: Calculate and Interpret the Result
Divide NOPAT by invested capital and multiply the result by 100 to express it as a percentage.
Once calculated, compare the result with previous periods, the business’s cost of capital, and suitable industry benchmarks.
A high return may indicate effective use of resources, strong operating margins, or an efficient business model. A low or declining return may indicate that the business has invested heavily without generating a corresponding increase in operating profit.
However, the number should not be interpreted in isolation. A business that has recently purchased expensive equipment may temporarily report a lower return while it builds sales and capacity. A mature business with fewer growth opportunities may produce a higher current return but have less scope to expand.
Understanding the circumstances behind the figure is essential to making useful decisions.
What Is a Good Return on Capital?
There is no single return on capital percentage that every Australian business should aim to achieve.
An appropriate return depends on factors such as the industry, operating model, economic conditions, capital requirements, and financial risk.
For example, a business that relies on expensive equipment, vehicles, or property may require substantially more capital than a consultancy or other service business. The capital-intensive business may generate a lower percentage return despite operating efficiently, while the service business may achieve a higher percentage return with relatively few physical assets.
The growth stage also matters. A business investing heavily in equipment, systems, staff or new locations may experience lower returns in the short term while those investments begin contributing to revenue.
Rather than relying on a generic benchmark, owners should assess three main comparisons.
Historical performance: Compare the current return with results from previous years or quarters. A sustained improvement may indicate that the business is generating more profit from its capital, while a consistent decline may signal an emerging problem.
Industry performance: Compare the business with similar organisations where reliable, comparable data is available. Differences in accounting methods, business structures, and capital requirements should be considered before drawing conclusions.
Cost of capital: Assess whether the return generated by the business is sufficient relative to the cost and risk of the capital used to fund it.
These comparisons provide a more meaningful picture than deciding whether a particular percentage is automatically good or bad.
Why the Cost of Capital Matters
One of the most important uses of ROIC is comparing the return generated by the business with its cost of capital.
The cost of capital represents the return required by the providers of funding, taking into account the cost of borrowing and the return expected by equity investors. For a business funded through a combination of debt and equity, a weighted average cost of capital, or WACC, may be used.
When ROIC exceeds the cost of capital, the business is generally generating returns above the required level and creating economic value. When ROIC falls below the cost of capital, the business may not be generating enough return to compensate for the resources and risks involved.
Consider a simplified example.
An Australian business generates a 15% ROIC, while its estimated cost of capital is 9%. The return exceeds the cost of capital by six percentage points.
That difference suggests that the business is generating a return above the estimated cost of the funds used to support its operations.
However, the calculation is only as reliable as its inputs. Estimating the cost of capital for a small private business can be difficult because the business may not have publicly traded shares or a readily observable market valuation. The risk of the business, its borrowing terms and the owner’s required return all need to be considered.
A business owner should also recognise that accounting profit and economic value are not identical. A business may report a positive accounting profit while earning less than the return required to compensate for the capital committed to it.
For investment decisions, the cost of capital can therefore provide an additional perspective on whether an activity is financially worthwhile.
Return on Capital Versus Other Profitability Measures
Returning capital is most useful when viewed alongside other financial measures rather than used as a replacement for them.
Return on Equity
Return on Equity (ROE) measures the profit generated relative to shareholders’ equity.
It is generally calculated as net profit after tax divided by average shareholders’ equity.
ROE helps owners understand the return generated on their equity investment. However, it can be influenced by how much debt a business uses. A company with substantial borrowing may report a higher ROE because it operates with a smaller equity base, but the additional debt also increases financial risk.
ROIC is often more useful for assessing the efficiency of the business’s operations independently of its financing mix.
Return on Assets
Return on Assets (ROA) measures how effectively a business uses its assets to generate profit. The precise formula varies, but it often compares net profit with average total assets.
ROA can help identify whether a business is using its asset base efficiently. However, total assets may include items that are not directly involved in operating activities, so it may not provide the same insight as ROIC.
Net Profit Margin
Net profit margin measures the proportion of revenue that remains as profit after relevant expenses.
It is calculated by dividing net profit by revenue and multiplying by 100.
A business may have a strong profit margin but a relatively low return on capital if it requires substantial assets to generate its sales. Conversely, a business with a modest margin may generate an attractive return if it can produce high sales relative to the capital invested.
Using these measures together helps owners understand both how much profit the business earns and how efficiently it uses its resources to generate that profit.
Common Reasons a Business May Generate a Low Return on Capital
A low return on capital does not necessarily mean the business is failing. It can, however, highlight areas that require further investigation.
Underused Equipment or Property
Businesses sometimes purchase equipment, vehicles, or premises in anticipation of future growth. If demand does not develop as expected, these assets may remain underused while still tying up capital and creating maintenance, insurance or financing costs.
Owners should review whether the assets are being used productively and whether their capacity matches current business needs.
In some cases, leasing equipment, outsourcing selected activities, or selling surplus assets may be worth evaluating. These options should be assessed against their long-term costs, operational requirements, and tax implications.
Excess Inventory
Inventory can absorb significant working capital, particularly in retail, manufacturing, wholesale, and product-based businesses.
Stock that moves slowly may tie up cash that could otherwise be used for marketing, staff, debt reduction, or other productive activities. It can also become obsolete, damaged, or difficult to sell.
Monitoring inventory turnover, sales trends, and stock levels can help identify products that are consuming capital without delivering adequate returns.
The aim is not simply to minimise inventory. Businesses need enough stock to meet customer demand and avoid unnecessary disruptions. The objective is to maintain an appropriate balance between product availability and the cost of holding inventory.
Weak Profit Margins
A business may have substantial capital invested in its operations but generate insufficient profit to justify that investment.
This can occur when prices are too low, supplier costs are rising, labour expenses are poorly controlled, or the business spends too much to acquire and serve customers.
Reviewing gross margins, operating expenses and profitability by product, service or customer group can help reveal where returns are being reduced.
Improving margins does not always require increasing prices. Businesses may also be able to negotiate better supplier terms, reduce waste, simplify processes, or focus on products and services that deliver stronger contributions to profit.
Poor Working Capital Management
Working capital is the money tied up in the day-to-day operations of a business, including inventory and customer receivables, less relevant short-term operating liabilities.
If customers take too long to pay, stock remains unsold or payment terms are poorly managed; the business may need more capital to support the same level of activity.
Reviewing debtor days, inventory turnover and supplier payment arrangements can help identify opportunities to release cash without disrupting operations.
Improving working capital can strengthen liquidity and may also improve capital efficiency, provided the changes do not create new costs or damage important supplier and customer relationships.
Expansion Without Sufficient Returns
Growth can increase revenue while reducing returns on capital.
Opening to another location, hiring additional staff or purchasing equipment may increase the amount of capital committed to the business. If the additional investment does not generate enough operating profit, the overall return may decline.
Before expanding, owners should estimate the expected costs, additional revenue, operating expenses, and time required for the investment to generate a return.
A realistic forecast should include slower-than-expected sales, higher operating costs and delays in reaching full capacity. This helps owners assess whether the investment remains viable under less favourable conditions.
How to Improve Your Business’s Return on Capital
Improving return on capital generally requires increasing operating profit, using less capital to generate the same level of profit, or combining both approaches.
The most appropriate strategy will depend on why the current return is below expectations.
Review pricing and margins. Assess whether the prices charged for products and services adequately cover direct costs and contribute enough to overheads and profit. Pricing decisions should consider customer demand, competitors, and the value delivered.
Improve operational efficiency. Review workflows, labour allocation, procurement, and delivery processes to identify avoidable costs. Small improvements across several activities may have a meaningful effect on operating profit.
Release unnecessary capital. Identify surplus stock, underused equipment, or assets that are no longer needed. Where appropriate, disposing of these assets or changing how they are funded may free up resources for more productive uses.
Strengthen working capital management. Improve invoicing practices, follow up overdue accounts, and monitor stock levels. Better working capital management can reduce the amount of funding required to support day-to-day operations.
Evaluate new investments carefully. Before committing capital to an expansion or major purchase, estimate the expected financial return and compare it with the cost and risk of funding the investment. Consider how long it may take to generate benefits and whether those benefits are supported by realistic assumptions.
Monitor performance regularly. Review operating profit, invested capital, and related financial indicators on a consistent schedule. Waiting until the end of the financial year may mean that problems go unnoticed for too long.
The objective is not to reduce capital at any cost. Underinvesting in staff, technology, maintenance, or inventory can damage customer service and limit future growth. Instead, businesses should aim to direct capital towards activities that support sustainable profitability and long-term value.
How to Assess a New Business Investment
Returning capital is also useful when deciding whether to purchase equipment, introduce a new product, open another location or expand an existing operation.
Before committing funds, establish the expected investment cost and the additional operating profit the project is likely to generate.
For example, suppose a business is considering equipment costing $200,000. The equipment is expected to generate an additional $50,000 in annual after-tax operating profit once it is fully operational.
A simplified estimate of the annual return would be:
$50,000 ÷ $200,000 × 100 = 25%
This estimate provides an initial indication of the potential return, but it is not a complete investment appraisal.
The business should also consider installation costs, ongoing maintenance, staff training, working capital requirements, equipment life, residual value, and the time needed to reach expected production levels.
It should distinguish between the return once the equipment is fully operational and the actual return during the early years of the investment. If the equipment takes time to generate its expected profit, the initial return may be lower.
Other financial measures, such as payback period, net present value and internal rate of return, may provide additional insight into the investment’s timing and overall value.
Business owners should also consider non-financial factors, including operational reliability, customer demand, compliance requirements and the strategic importance of investment.
A sound investment decision combines financial analysis with a realistic understanding of how the project will affect the business.
How Often Should You Review Return on Capital?
The frequency of review depends on the size, complexity and capital requirements of the business.
Many small businesses can begin with a quarterly review, supported by monthly monitoring of revenue, operating costs, and cash flow. Businesses making large investments or experiencing significant financial pressure may need more frequent analysis.
It is important to use comparable periods and consistent calculation methods. Comparing a seasonal quarter with a period of unusually high demand may produce misleading conclusions unless the underlying circumstances are understood.
Owners should also consider changes in the capital base. For example, a major equipment purchase near the end of the year could increase closing invested capital without providing a full year’s contribution to profit. Using average capital or separately analysing the new investment may provide a more useful picture.
A regular review should ask several practical questions:
- Is operating profit increasing at a rate that justifies the capital invested?
- Is the business earning an appropriate return relative to its cost of capital?
- Which assets or activities are generating the strongest returns?
- Is working capital increasing faster than revenue?
- Have recent investments delivered the expected financial results?
- Are there assets, products, or processes that need to be reviewed?
- Would alternative uses of the available capital produce better risk-adjusted returns?
The answers can help owners identify emerging issues, make informed investment decisions, and set more meaningful financial performance targets.
How Sunnyside Financial Group Can Help
Understanding return on capital requires more than calculating a percentage. Business owners need reliable financial information, a clear view of operating performance, and an understanding of how capital decisions affect profitability and cash flow.
Sunnyside Financial Group can help Australian businesses make tax, cash flow and profitability simpler through accounting, tax planning, financial reporting and broader business advisory support.
A review of your business’s financial performance can help identify trends in operating profit, working capital, and expenses. This information can support better decisions about pricing, asset purchases, expansion plans, and the allocation of available funds.
Cash flow forecasting and financial reporting can also help owners assess whether proposed investments are financially sustainable and whether the business has sufficient resources to support its operating commitments.
By reviewing performance regularly, business owners can gain a clearer understanding of what is driving their returns and where improvements may be possible.
Learn more about how Sunnyside Financial Group supports Australian businesses at sunnysidefinancialgroup.com.
Final Thoughts
Assessing return on capital helps Australian business owners look beyond revenue and accounting profit to understand how effectively their financial resources are being used.
A business may be profitable, but if it requires substantial capital to generate that profit, its returns may be less attractive than expected. Comparing return on invested capital with historical performance, industry benchmarks and the cost of capital provides a more complete picture of financial performance.
The calculation is only the beginning. The real value comes from identifying what is driving the result and using that information to make better decisions about costs, working capital, pricing and investment.
With consistent financial reporting and regular performance reviews, business owners can identify underperforming areas, direct capital towards more productive opportunities, and build a stronger foundation for sustainable growth.
Disclaimer: This article is intended for general informational purposes only and does not constitute financial, tax, investment or legal advice. Financial measures and calculations may vary depending on the business’s circumstances and accounting methods. Business owners should consult an appropriately qualified professional before making significant financial or investment decisions.
