EXHIBIT 12

Weyerhaeuser Company and Subsidiaries

Computation of Ratios of Earnings to Fixed Charges

(Dollar amounts in thousands)

	Fifty-two weeks ended
	Dec. 25, 2005			Dec. 26, 2004
Available earnings:
Earnings before interest expense, amortization of debt expense and income taxes	$	1,796,763		$	2,866,113
Add interest portion of rental expense		59,153			60,244
Deduct undistributed earnings of equity affiliates		(9,277	)		(38,039	)
Available earnings	$	1,846,639		$	2,888,318
Fixed charges:
Interest expense incurred:
Weyerhaeuser Company and subsidiaries excluding Weyerhaeuser Real Estate Company and other related subsidiaries	$	676,494		$	822,667
Weyerhaeuser Real Estate Company and other related subsidiaries		53,117			56,841
Subtotal		729,611			879,508
Less intercompany interest		2,678			(47	)
Total interest expense incurred		732,289			879,461
Amortization of debt expense		17,814			15,269
Interest portion of rental expense		59,153			60,244
Total fixed charges	$	809,256		$	954,974
Ratio of earnings to fixed charges		2.28			3.02

Weyerhaeuser Company with its Weyerhaeuser Real Estate Company and Other Related Subsidiaries

Accounted for on the Equity Method, but Excluding the Undistributed Earnings of Those Subsidiaries

Computation of Ratios of Earnings to Fixed Charges

(Dollar amounts in thousands)

	Fifty-two weeks ended
	Dec. 25, 2005			Dec. 26, 2004
Available earnings:
Earnings before interest expense, amortization of debt expense, and income taxes	$	1,725,071		$	2,773,714
Add interest portion of rental expense		52,849			54,873
Deduct undistributed earnings of equity affiliates		10,639			(7,880	)
Deduct undistributed earnings before income taxes of Weyerhaeuser Real Estate Company and other related subsidiaries		(734,195	)		(609,758	)
Available earnings	$	1,054,364		$	2,210,949
Fixed charges:
Interest expense incurred	$	676,494		$	822,667
Amortization of debt expense		17,814			15,269
Interest portion of rental expense		52,849			54,873
Total fixed charges	$	747,157		$	892,809
Ratio of earnings to fixed charges		1.41			2.48