WACC Calculator
Find a company's weighted average cost of capital (WACC) from its equity, debt, their costs and the tax rate.
Change the values and press Calculate to work out your own figures.
Enter equity, debt, their costs and the tax rate.
Show the working
- WACC = E/V × Re + D/V × Rd × (1 − Tc)
How to use it
Enter equity, debt, their costs and the tax rate.
Enter amounts without commas or with them; rates are percentages (5 for 5%). Negative amounts are allowed where a sign means money paid out.
Key facts
WACC = E ÷ V × Re + D ÷ V × Rd × (1 − Tc), V = E + D
Questions
What is the WACC of $100 equity at 8% and $250 debt at 6% with 25% tax?
5.5%.
Formulas
WACC = E ÷ V × Re + D ÷ V × Rd × (1 − Tc), V = E + D
Sources
Limitations
- Results are estimates for planning, not offers or financial advice; lenders and banks may round, count days or time payments differently.
- Rates are nominal annual rates compounded as you choose; payments at a different frequency use the equivalent periodic rate.