EXHIBIT 12

Weyerhaeuser Company and Subsidiaries

Computation of Ratios of Earnings to Fixed Charges

(Dollar amounts in thousands)

	Thirty-nine weeks ended
	Sept. 25, 2005			Sept. 26, 2004
Available earnings:
Earnings before interest expense, amortization of debt expense and income taxes	$	1,954,164		$	2,282,640
Add interest portion of rental expense		44,294			44,972
Deduct undistributed earnings of equity affiliates		(23,601	)		(20,194	)
Available earnings	$	1,974,857		$	2,307,418
Fixed charges:
Interest expense incurred:
Weyerhaeuser Company and subsidiaries excluding
Weyerhaeuser Real Estate Company and other related subsidiaries	$	520,880		$	585,454
Weyerhaeuser Real Estate Company and other related subsidiaries		40,018			43,834
Subtotal		560,898			629,288
Less intercompany interest		1,861			(506	)
Total interest expense incurred		562,759			628,782
Amortization of debt expense		12,472			11,836
Interest portion of rental expense		44,294			44,972
Total fixed charges	$	619,525		$	685,590
Ratio of earnings to fixed charges		3.19			3.37

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)

	Twenty-six weeks ended
	Sept. 25, 2005			Sept. 26, 2004
Available earnings:
Earnings before interest expense, amortization of debt expense, and income taxes	$	1,908,306		$	2,234,928
Add interest portion of rental expense		39,765			41,067
Deduct undistributed earnings of equity affiliates		(374	)		3,647
Deduct undistributed earnings before income taxes of Weyerhaeuser Real Estate Company and other related subsidiaries		(484,210	)		(393,115	)
Available earnings	$	1,463,487		$	1,886,527
Fixed charges:
Interest expense incurred	$	520,880		$	585,454
Amortization of debt expense		12,472			11,836
Interest portion of rental expense		39,765			41,067
Total fixed charges	$	573,117		$	638,357
Ratio of earnings to fixed charges		2.55			2.96