Exhibit 12 UNITED TECHNOLOGIES CORPORATION AND SUBSIDIARIES COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES Three Months Ended March 31, In Millions of Dollars 1994 1993 Fixed Charges: Interest on indebtedness $ 56 $ 68 Interest capitalized 7 7 One-third of rents* 25 28 Total Fixed Charges $ 88 $ 103 Earnings: Income before income taxes and minority interests $ 204 $ 137 Fixed charges per above 88 103 Less: interest capitalized (7) (7) 81 96 Amortization of interest capitalized 11 10 Total Earnings $ 296 $ 243 Ratio of Earnings to Fixed Charges 3.36 2.36 * Reasonable approximation of the interest factor.