EXHIBIT 12 HONEYWELL INC. AND SUBSIDIARIES COMBINED WITH PROPORTIONAL SHARES OF 50% OWNED COMPANIES COMPUTATION OF RATIOS OF EARNINGS TO FIXED CHARGES FOR THE FIVE YEARS ENDED DECEMBER 31, 1998 (DOLLARS IN MILLIONS) 1998 1997 1996 1995 1994 --------- --------- --------- --------- --------- Income before income taxes................................ $ 829.33 $ 703.26 $ 610.20 $ 505.50 $ 369.70 Deduct: Equity income........................................... 11.75 12.94 13.30 13.60 10.50 --------- --------- --------- --------- --------- Subtotal................................................ 817.58 690.32 596.90 491.90 359.20 Add (Deduct): Dividends from less than 50% owned companies............ 2.05 2.60 2.16 2.58 2.37 Proportional share of income (loss) before income taxes of 50% owned companies................................ .35 .06 (.93) .41 (2.83) --------- --------- --------- --------- --------- Adjusted income........................................... 819.98 692.98 598.13 494.89 358.74 --------- --------- --------- --------- --------- Fixed charges Interest on indebtedness: Honeywell Inc. and subsidiaries......................... 113.04 101.93 76.81 79.66 72.89 50% owned companies..................................... 2.79 .11 .05 -- -- --------- --------- --------- --------- --------- Subtotal................................................ 115.83 102.04 76.86 79.66 72.89 Amortization of debt expense.............................. 1.67 1.50 4.55 3.66 2.61 Interest portion of rent expense.......................... 47.28 47.19 51.24 47.80 45.64 --------- --------- --------- --------- --------- Total fixed charges....................................... 164.78 150.73 132.65 131.12 121.14 --------- --------- --------- --------- --------- Total available income.................................... $ 984.76 $ 843.71 $ 730.78 $ 626.01 $ 479.88 --------- --------- --------- --------- --------- --------- --------- --------- --------- --------- Ratio of earnings to fixed charges........................ 5.98 5.60 5.51 4.77 3.96 --------- --------- --------- --------- --------- --------- --------- --------- --------- --------- 73