Exhibit 12 UNITED TECHNOLOGIES CORPORATION AND SUBSIDIARIES COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES Quarter Ended March 31, In Millions of Dollars 1997 1996 Fixed Charges: Interest on indebtedness $ 48 $ 58 Interest capitalized 3 5 One-third of rents* 22 22 Total Fixed Charges $ 73 $ 85 Earnings: Income before income taxes and minority interests $ 377 $ 293 Fixed charges per above 73 85 Less: interest capitalized (3) (5) 70 80 Amortization of interest capitalized 10 10 Total Earnings $ 457 $ 383 Ratio of Earnings to Fixed Charges 6.26 4.51 * Reasonable approximation of the interest factor. /TABLE