The WACC of United Parcel Service Inc (UPS) is 7.5%. The Cost of Equity of United Parcel Service Inc (UPS) is 8.15%. The Cost of Debt of United Parcel Service Inc (UPS) is 4.25%. Cost of equity Tax rate Cost of debt WACC Range 6.9% -9.4% 22.0% - 24.3% 4.0% -4.5% 6.4% -8.6% Selected 8.15% 23.15% 4.25% 7.5%