Economic Value Added (EVA) Calculator
Enter your net operating profit after tax (NOPAT), the total capital invested, and the weighted average cost of capital (WACC). The calculator returns the EVA, the implied capital charge, the ROIC spread, and tells you whether the business is creating or destroying shareholder value. You can also build NOPAT from EBIT and a tax rate, and expand invested capital from balance-sheet totals.
Formula
Worked example
A company has EBIT of $10 million and a 20% tax rate, giving NOPAT of $8 million. Invested capital is $50 million and WACC is 8%, so the capital charge is $4 million. EVA = $8M - $4M = $4 million. ROIC = 8/50 = 16%, versus WACC of 8%, a spread of +8 percentage points - clear value creation.
What is Economic Value Added (EVA)?
Economic Value Added, often abbreviated EVA, is the surplus profit a business generates after deducting the full cost of the capital it uses. Unlike accounting profit, which ignores the equity investor's opportunity cost, EVA charges for both debt and equity. A company can report a positive net income and still destroy economic value if its return on invested capital falls short of what investors could earn elsewhere at the same risk. EVA was popularised by consulting firm Stern Stewart in the early 1990s and is now used by companies worldwide as an internal performance measure, executive compensation metric, and capital-allocation tool.
How EVA is calculated
EVA is computed in two steps. First, derive NOPAT (Net Operating Profit After Tax). If you have the EBIT line from the income statement, multiply it by (1 minus the effective tax rate): NOPAT = EBIT x (1 - t). Second, calculate the capital charge by multiplying total invested capital by WACC. Invested capital is typically shareholders equity plus interest-bearing debt at the start of the period (or alternatively total assets minus non-interest-bearing current liabilities). The capital charge represents the minimum return that all capital providers require. EVA is then NOPAT minus the capital charge. A positive figure means the business earned more than its full cost of funding; a negative figure means it did not.
WACC and the cost of capital
WACC is the blended rate that weights the cost of equity and the after-tax cost of debt by their respective shares of the total capital structure. The cost of equity is typically estimated with the Capital Asset Pricing Model (CAPM): risk-free rate plus beta times the equity risk premium. The after-tax cost of debt is the pre-tax interest rate multiplied by (1 minus the tax rate), because interest payments reduce taxable income. A higher WACC raises the hurdle rate and shrinks EVA; a lower WACC makes it easier to create positive economic value. Industries with stable, predictable cash flows generally carry a lower WACC than cyclical or early-stage businesses.
ROIC spread and value creation
A useful shortcut for value creation is the ROIC spread: ROIC minus WACC, where ROIC is NOPAT divided by invested capital. If the spread is positive, every additional dollar of invested capital adds economic value at that rate. If the spread is negative, growth actually destroys value - the company is reinvesting at a return lower than its cost of capital, which erodes shareholder wealth over time. This is why high-growth companies are not automatically value creators: growth only creates value when ROIC exceeds WACC. The projection chart in this calculator shows how EVA compounds over time under your chosen NOPAT growth rate and fixed WACC assumption.
Limitations of EVA
EVA rests on accounting numbers that can be distorted by depreciation policy, capitalisation choices, and one-time items. Many practitioners adjust NOPAT and invested capital to undo these distortions (for example, capitalising R&D or operating leases). EVA is also backward-looking: it measures the past period's result, not the present value of future EVA streams, which is a concept called Market Value Added (MVA). For capital-light or service businesses with large intangible assets, the invested-capital figure can be understated, inflating ROIC. Use EVA alongside discounted cash flow analysis and qualitative judgement rather than as a standalone verdict.
EVA interpretation guide
| ROIC vs WACC | EVA signal | What it means | Action |
|---|---|---|---|
| ROIC > WACC + 5% | Strong value creation | Business generates substantial surplus return | Reinvest aggressively |
| ROIC > WACC | Positive EVA | Business earns above cost of capital | Reinvest where ROIC exceeds WACC |
| ROIC = WACC | Break-even | Investors earn exactly their required return | Review capital allocation |
| ROIC < WACC | Negative EVA | Business destroys economic value | Cut costs, divest, or restructure |
| ROIC < WACC - 5% | Significant destruction | Capital is being materially eroded | Urgent strategic review needed |
How to read the ROIC vs WACC spread and the corresponding EVA signal.
Frequently asked questions
What does a negative EVA mean?
A negative EVA means the business earned less than its full cost of capital during the period. This is sometimes called value destruction: accounting profit may still be positive, but once you charge for the opportunity cost of equity - what investors could have earned in an alternative investment of equal risk - the business has consumed rather than created economic value. A sustained negative EVA typically leads to a falling share price, as markets anticipate ongoing capital erosion.
What is the difference between EVA and net income?
Net income deducts interest on debt but ignores the cost of equity. EVA charges for both, via the capital charge (invested capital times WACC). A company that funds itself entirely with equity can report substantial net income and yet have a large negative EVA if its ROIC falls short of what shareholders demand. EVA therefore provides a more complete picture of whether a business is truly profitable in an economic sense.
How do I calculate NOPAT if I only have net income?
Start with net income, add back after-tax interest expense (interest x (1 - tax rate)), and subtract any non-operating income. This reverses the financing effects so that NOPAT reflects operating performance alone. You can also start from EBIT and multiply by (1 - tax rate), which is the approach used in this calculator's EBIT mode.
How is invested capital different from total assets?
Total assets include non-interest-bearing current liabilities (trade payables, accrued expenses) that suppliers effectively finance at zero cost. Invested capital strips those out, so it equals total assets minus non-interest-bearing current liabilities - the capital that actually requires a return. Alternatively, you can compute it as shareholders equity plus interest-bearing short- and long-term debt.
Can EVA be used to compare companies of different sizes?
Raw EVA in dollars is hard to compare across firms of different sizes because a larger capital base naturally produces a larger absolute EVA. The ROIC spread (ROIC minus WACC) is scale-neutral and more useful for cross-company comparison. For size-adjusted comparison, some analysts divide EVA by invested capital to get an EVA margin, or by revenue to get an EVA-to-sales ratio.
What is the ROIC spread and why does it matter?
The ROIC spread is simply ROIC minus WACC, expressed in percentage points. It tells you how much return per dollar of capital the business is earning above (or below) the minimum required. A positive spread of even a few percentage points compounded over many years can create substantial shareholder wealth; a persistently negative spread erodes it. Management teams that track the spread focus naturally on the two key levers - earning more from each dollar of capital (improving NOPAT margin and asset turnover) and deploying capital only where the spread is expected to be positive.