Exhibit 12

BERKSHIRE HATHAWAY INC.

Calculation of Ratio of Consolidated Earnings to Consolidated Fixed Charges

(Dollars in millions)

				Year Ended December 31,
	Six Months Ended June 30, 2011			2010			2009			2008			2007			2006
Net earnings attributable to Berkshire Hathaway	$	4,928		$	12,967		$	8,055		$	4,994		$	13,213		$	11,015
Income tax expense		2,354			5,607			3,538			1,978			6,594			5,505
Earnings attributable to noncontrolling interests		217			527			386			602			354			258
Earnings from equity method investments		—			(50	)		(427	)		—			—			—
Dividends from equity method investees		—			20			132			—			—			—
Fixed charges		1,584			3,084			2,279			2,276			2,202			1,979
Earnings available for fixed charges	$	9,083		$	22,155		$	13,963		$	9,850		$	22,363		$	18,757
Fixed charges
Interest on indebtedness (including amortization of debt discount and expense)	$	1,320		$	2,558		$	1,992		$	1,963		$	1,910		$	1,724
Rentals representing interest and other		264			526			287			313			292			255
	$	1,584		$	3,084		$	2,279		$	2,276		$	2,202		$	1,979
Ratio of earnings to fixed charges		5.73	x		7.18	x		6.13	x		4.33	x		10.16	x		9.48	x