EXHIBIT (12) HONEYWELL INC. AND SUBSIDIARIES COMBINED WITH PROPORTIONAL SHARES OF 50% OWNED COMPANIES COMPUTATION OF RATIOS OF EARNINGS TO FIXED CHARGES (Unaudited) (Dollars in Millions) Six Months Ended July 5, 1998 ------------ Income before Income Taxes $331.66 Deduct: Equity income 5.54 ------ Subtotal 326.12 Add (deduct): Dividends from less than 50% owned companies 0.86 Proportional share of income (loss) before income taxes of 50% owned companies (2.28) ------ Adjusted income 324.70 ------ Fixed Charges Interest on indebtedness 57.63 Amortization of debt expense 0.84 Interest portion of rent expense 24.11 ------ Total Fixed Charges 82.58 ------ Total Available Income $407.28 ====== Ratio of Earnings to Fixed Charges 4.93 ====== i