The WACC of Rolls-Royce Holdings PLC (RR.L) is 9.5%.
| Range | Selected | |
| Cost of equity | 9.20% - 11.30% | 10.25% |
| Tax rate | 16.60% - 31.20% | 23.90% |
| Cost of debt | 4.00% - 4.90% | 4.45% |
| WACC | 8.6% - 10.5% | 9.5% |
| Category | Low | High |
| Long-term bond rate | 4.0% | 4.5% |
| Equity market risk premium | 6.0% | 7.0% |
| Adjusted beta | 0.87 | 0.91 |
| Additional risk adjustments | 0.0% | 0.5% |
| Cost of equity | 9.20% | 11.30% |
| Tax rate | 16.60% | 31.20% |
| Debt/Equity ratio | 0.12 | 0.12 |
| Cost of debt | 4.00% | 4.90% |
| After-tax WACC | 8.6% | 10.5% |
| Selected WACC | 9.5% | |