WACC Calculator Weighted average cost of capital. Equity % (%) Cost of equity (%) Debt % (%) After-tax cost of debt (%) WACC (%) 7.6 Step-by-step with your numbers: 1. Values used: 2. Equity % = 60 % 3. Cost of equity = 10 % 4. Debt % = 40 % 5. After-tax cost of debt = 4 % 6. WACC = 7.6% Did we solve your problem today? 👍 Yes 👎 No Thanks for the feedback! Blended cost of all capital sources. FAQ Use? Discount rate for DCF valuations. Related calculators Discounted Cash Flow Calculator (DCF) Present value of a future cash flow. ROIC Calculator Return on invested capital. CAPM Calculator Find expected return with the Capital Asset Pricing Model.