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WACC Calculator

Our WACC calculator helps you accurately estimate your company's weighted average cost of capital. It considers both the cost of equity and the after-tax cost of debt to provide a precise calculation.

WACC Calculator
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Looking to calculate your company’s Weighted Average Cost of Capital (WACC)? This online WACC calculator simplifies the process by using the cost of equity and the after-tax cost of debt. WACC is essential for businesses evaluating capital financing, investment decisions, and project profitability.

What Is WACC?

WACC stands for Weighted Average Cost of Capital. It represents the average after-tax cost a company pays for financing through equity, preferred shares, and debt. WACC shows the rate a firm expects to pay its capital providers, including both debt holders and equity investors. Each component of a company's capital structure is weighted according to its market value.

WACC Formula

The formula for WACC is:

\[ \text{WACC} = \left( \frac{E}{V} \times Re \right) + \left( \left( \frac{D}{V} \times Rd \right) \times (1-Tc) \right) \]

Where:

  • E = Market value of equity
  • D = Market value of debt
  • V = Total firm value (E + D)
  • Re = Cost of equity
  • Rd = Cost of debt
  • Tc = Corporate tax rate

This formula reflects the combined cost of equity and debt, helping determine the total cost a firm faces when raising capital.

How to Use the WACC Calculator

To calculate WACC using our online tool:

  1. Enter the firm’s total debt.
  2. Enter the cost of debt.
  3. Enter the firm’s total equity.
  4. Enter the cost of equity.
  5. Provide the corporate tax rate.
  6. Click Calculate to determine WACC.

This calculator is useful for evaluating NPV, capital-raising strategies, and project returns.

Manual WACC Calculation Example

Suppose a company has the following data:

  • Debt (D) = $6,000
  • Equity (E) = $14,000
  • Cost of Debt (Rd) = 7%
  • Cost of Equity (Re) = 12.5%
  • Corporate Tax Rate (Tc) = 20%

Using the WACC formula:

\[ \text{WACC} = \left( \frac{14,000}{20,000} \times 0.125 \right) + \left( \frac{6,000}{20,000} \times 0.07 \times (1 - 0.2) \right) \]

\(\text{WACC} = 0.0875 + 0.0168 = 0.1043 \, (10.43\%)\)

Instead of calculating manually, the WACC calculator gives instant results.

FAQs

How do you calculate WACC?

Use a WACC calculator or discounted cash flow (DCF) tools. Input debt, equity, and tax rates to get quick results.

Why is WACC calculated?

WACC helps determine the cost of each component of capital, including equity and debt. It is crucial for evaluating project NPVs and investment returns.

What is a typical WACC?

Higher WACC indicates riskier capital and higher required returns; lower WACC means cheaper financing and more favorable investment conditions.

Why is WACC used as a discount rate?

In DCF models, WACC acts as the discount rate to calculate the present value of future cash flows, reflecting the firm’s capital costs.

Is WACC before or after tax?

WACC represents the after-tax cost of capital. The after-tax cost of debt = Cost of Debt × (1 - Tax Rate).

Factors Influencing WACC

  • Corporate tax rates
  • Equity-debt mix
  • Firm-specific operational risk
  • Interest rates and investor risk preferences

Is a low WACC good?

A lower WACC indicates cheaper capital and easier funding of projects.

What does 12% WACC mean?

A 12% WACC means the company must generate at least 12 cents per dollar of capital to cover costs and satisfy investors.

Difference Between WACC and CAPM

WACC measures the average cost of all capital, while CAPM calculates expected returns on equity based on risk. WACC considers both debt and equity costs; CAPM focuses on equity risk.

What if WACC is too high?

A high WACC indicates expensive capital, making growth and investment more difficult. Firms may need to improve capital structure to reduce WACC.

Conclusion

Understanding WACC is essential for businesses evaluating capital costs and investment returns. The WACC calculator simplifies calculations, helps assess ROI, and supports strategic capital decisions.

References

  1. Wikipedia. Weighted Average Cost of Capital (WACC). Link
  2. Investopedia. What is the Formula for Weighted Average Cost of Capital (WACC)? Link
  3. Investopedia. How to Calculate WACC. Link
  4. Xplaind. Cost of Capital: WACC. Link
  5. Forbes. Ranking U.S. Stocks Based on WACC. Link
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