WACC Calculator
Calculate the weighted average cost of capital (WACC) for your company. Enter the market values, costs, and tax rate to see your blended cost of capital, capital structure weights, and sensitivity analysis.
What is WACC?
WACC (Weighted Average Cost of Capital) is the average rate a company expects to pay to finance its assets. It represents the blended cost of capital from all sources — equity and debt — weighted by their proportions in the capital structure.
WACC is used as the discount rate in discounted cash flow (DCF) valuation, as a hurdle rate for capital budgeting decisions, and as a benchmark for evaluating project returns. If a project's return exceeds WACC, it creates value for shareholders.
The WACC Formula
Where:
- E = Market value of equity
- D = Market value of debt
- V = Total value (E + D)
- Re = Cost of equity (required return on equity)
- Rd = Cost of debt (interest rate on debt)
- Tc = Corporate tax rate
The formula weights each capital source by its proportion in the capital structure. Debt is adjusted for the tax shield because interest is tax-deductible, reducing the effective cost of debt to Rd × (1 - Tc).
Why WACC Matters
Discount Rate in DCF Valuation
WACC is the standard discount rate for discounted cash flow (DCF) analysis. Future free cash flows are discounted at WACC to calculate enterprise value:
A lower WACC increases the present value of future cash flows, raising the valuation. A higher WACC decreases value.
Hurdle Rate for Investment Decisions
Companies use WACC as the minimum acceptable return for new projects. A project should only be accepted if its internal rate of return (IRR) exceeds WACC, or if its net present value (NPV) using WACC as the discount rate is positive.
Benchmark for Performance
WACC represents the cost of capital. If a company's return on invested capital (ROIC) exceeds WACC, it is creating value. If ROIC is below WACC, it is destroying value.
Typical WACC Ranges by Industry
WACC varies by industry based on business risk, financial leverage, and capital intensity. Here are typical ranges:
| Industry | Typical WACC |
|---|---|
| Technology | 8–12% |
| Utilities | 4–6% |
| Manufacturing | 7–10% |
| Retail | 6–9% |
| Pharmaceuticals | 8–11% |
| Real Estate | 5–8% |
| Financial Services | 6–10% |
| Energy | 7–10% |
| Consumer Goods | 6–9% |
| Telecommunications | 5–8% |
These are general benchmarks. Actual WACC depends on the company's specific capital structure, risk profile, and market conditions.
Frequently Asked Questions
What is WACC?
WACC (Weighted Average Cost of Capital) is the average rate a company expects to pay to finance its assets. It represents the blended cost of capital from all sources — equity and debt — weighted by their proportions in the capital structure. WACC is used as the discount rate in DCF valuation and as a hurdle rate for investment decisions.
What is the WACC formula?
WACC = (E/V × Re) + (D/V × Rd × (1-Tc)). E is market value of equity, D is market value of debt, V is total value (E+D), Re is cost of equity, Rd is cost of debt, and Tc is the corporate tax rate. The formula weights each capital source by its proportion and adjusts debt for tax deductibility.
What is cost of equity?
Cost of equity (Re) is the return investors require to invest in a company's stock. It reflects the risk of equity ownership. Cost of equity is typically estimated using CAPM (Capital Asset Pricing Model): Re = Risk-Free Rate + Beta × Market Risk Premium. For example, if the risk-free rate is 3%, beta is 1.2, and the market risk premium is 6%, cost of equity is 3% + 1.2 × 6% = 10.2%.
What is cost of debt?
Cost of debt (Rd) is the effective interest rate a company pays on its borrowed funds. It is typically the yield to maturity on outstanding bonds or the weighted average interest rate on all debt. Because interest is tax-deductible, the after-tax cost of debt is Rd × (1 - Tax Rate), which is what appears in the WACC formula.
Why does tax rate affect WACC?
Interest on debt is tax-deductible, which creates a tax shield. The after-tax cost of debt is Rd × (1 - Tax Rate). For example, if a company pays 5% interest and has a 25% tax rate, the after-tax cost is 5% × 0.75 = 3.75%. Equity has no tax shield because dividends are not deductible. This tax benefit of debt lowers WACC when leverage increases.
What is a typical WACC by industry?
WACC varies widely by industry. Technology companies often have WACC of 8–12%. Utilities, with stable cash flows and high leverage, may have WACC of 4–6%. Manufacturing typically falls in 7–10%. Retail ranges from 6–9%. High-growth startups may exceed 15%. WACC depends on business risk, financial leverage, and the cost of capital in the economy.
How is WACC used in DCF valuation?
In discounted cash flow (DCF) analysis, WACC is the discount rate used to present-value future free cash flows. The formula is: Enterprise Value = Sum of [FCF / (1 + WACC)^t]. A lower WACC increases the present value of future cash flows, raising the valuation. WACC reflects the riskiness of the business and the cost of funding it.
Can WACC be used as a hurdle rate?
Yes. WACC is commonly used as the hurdle rate for capital budgeting. A project should only be accepted if its internal rate of return (IRR) exceeds WACC, or if its net present value (NPV) using WACC is positive. This ensures the project earns more than the cost of capital, creating value for shareholders.
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Privacy & Limitations
- All calculations run entirely in your browser -- nothing is sent to any server.
- Results are estimates for planning purposes and should not replace professional financial advice.
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WACC Calculator FAQ
What is WACC?
WACC (Weighted Average Cost of Capital) is the average rate a company expects to pay to finance its assets. It represents the blended cost of capital from all sources — equity and debt — weighted by their proportions in the capital structure. WACC is used as the discount rate in DCF valuation and as a hurdle rate for investment decisions.
What is the WACC formula?
WACC = (E/V × Re) + (D/V × Rd × (1-Tc)). E is market value of equity, D is market value of debt, V is total value (E+D), Re is cost of equity, Rd is cost of debt, and Tc is the corporate tax rate. The formula weights each capital source by its proportion and adjusts debt for tax deductibility.
What is cost of equity?
Cost of equity (Re) is the return investors require to invest in a company's stock. It reflects the risk of equity ownership. Cost of equity is typically estimated using CAPM (Capital Asset Pricing Model): Re = Risk-Free Rate + Beta × Market Risk Premium. For example, if the risk-free rate is 3%, beta is 1.2, and the market risk premium is 6%, cost of equity is 3% + 1.2 × 6% = 10.2%.
What is cost of debt?
Cost of debt (Rd) is the effective interest rate a company pays on its borrowed funds. It is typically the yield to maturity on outstanding bonds or the weighted average interest rate on all debt. Because interest is tax-deductible, the after-tax cost of debt is Rd × (1 - Tax Rate), which is what appears in the WACC formula.
Why does tax rate affect WACC?
Interest on debt is tax-deductible, which creates a tax shield. The after-tax cost of debt is Rd × (1 - Tax Rate). For example, if a company pays 5% interest and has a 25% tax rate, the after-tax cost is 5% × 0.75 = 3.75%. Equity has no tax shield because dividends are not deductible. This tax benefit of debt lowers WACC when leverage increases.
What is a typical WACC by industry?
WACC varies widely by industry. Technology companies often have WACC of 8–12%. Utilities, with stable cash flows and high leverage, may have WACC of 4–6%. Manufacturing typically falls in 7–10%. Retail ranges from 6–9%. High-growth startups may exceed 15%. WACC depends on business risk, financial leverage, and the cost of capital in the economy.
How is WACC used in DCF valuation?
In discounted cash flow (DCF) analysis, WACC is the discount rate used to present-value future free cash flows. The formula is: Enterprise Value = Sum of [FCF / (1 + WACC)^t]. A lower WACC increases the present value of future cash flows, raising the valuation. WACC reflects the riskiness of the business and the cost of funding it.
Can WACC be used as a hurdle rate?
Yes. WACC is commonly used as the hurdle rate for capital budgeting. A project should only be accepted if its internal rate of return (IRR) exceeds WACC, or if its net present value (NPV) using WACC is positive. This ensures the project earns more than the cost of capital, creating value for shareholders.