Wood Products Weights & Measures

1 FBM = 1 board foot 12" x 12" x 1"
1 MFBM = 1,000 fbm
1 MSF = 1,000 square feet (veneer or panel board)
1 cunit = 100 ft3
1 cord = 128 ft3 x 4' x 4' x 8' (85 ft3 solid wood, 15ft3 air, and 28ft3 of bark)
1 tonne - 1000 kilograms = 1.1023 tons
1 ton = 200 lbs - 0.9072 tonnes

# of imperial units x conversion factor = metric units/conversion factor = imperial units

Round Wood 1MFBM = 5.1282 m3 1 Cord = 2.4070 m3 1 Cunit = 2.8317 m3	Lumber 1 MFBM = 2.3598 m3 1 Cord = 1.1075 m3 1 Cunit = 1.3029 m3
Wood Residues (includes chips, shavings, sawdust & bark) 1 Bone Dry Tonne = 2.6525 m3 1 Bone Dry Ton = 2.4067 m3 1 Green Tonne = 1.3262 m3 1 Green Ton = 1.2035 m3 1 Cunit = 2.8321 m3	Dense Hardwood Residues (for chips, shavings, sawdust only) 1 Bone Dry Tonne = 1.8488 m3 1 Bone Dry Ton = 1.6775 m3 1 Green Tonne = 0.9233 m3 1 Green Ton = 0.8388 m3 1 Cunit = 1.9740 m3
Roundwood Weight 1 metric tonne = m3 1 White Pine = 1.1198 m3 Red Pine = 1.1820 m3 Spruce = 1.3004 m3 Jack Pine = 1.2376 m3 Balsam Fir = 1.0870 m3 Hemlock = 1.1273 m3 Birch = 0.8873 m3 Poplar = 1.0091 m3 Mixed Hardwood = 0.8929 m3	Imperial Ton = m3 White Pine = 1.2344 m3 Red Pine = 1.3030 m3 Spruce = 1.4334 m3 Jack Pine = 1.3642 m3 Balsam Fir = 1.1982 m3 Hemlock - 1.2426 m3 Birch = 0.9781 m3 Poplar = 1.1123 m3 Mixed Hardwood = 0.9842 m3

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Weights of Various Woods (pounds per 1000 board feet)

Species	Lumber	Lumber	Logs	Wood
¡¡	Green (Mbf)	Air Dry	12 in. Green	Cord
Ash, white	4,000	3,450	11,100	4,320
Aspen, (Popple)	3,500	2,250	10,800	3,780
Balsam	3,750	2,200	10,400	4,050
Basswood	3,400	2,150	9,500	3,690
Beech	4,600	3,650	12,700	4,950
Birch, yellow	4,850	3,600	13,200	5,220
Cedar, western, red	2,250	1,920	6,200	2,430
Cherry, black	3,850	2,920	10,500	4,140
Chestnut	4,600	2,500	12,600	4,950
Cottonwood	4,100	2,400	10,700	4,410
Cypress, southern	4,250	2,700	11,800	4,590
Elm, white	4,400	3,700	11,300	4,770
Elm, slippery	4,700	3,100	12,600	5,040
Fir, balsam	3,750	2,200	10,400	4,050
Fir, douglas	3,200	2,850	8,700	3,420
Gum, black	3,750	2,920	10,400	4,050
Gum, red (sweet)	4,200	2,850	10,600	4,500
Hackberry	4,200	3,100	11,300	4,500
Hemlock, eastern	4,100	2,350	11,200	4,410
Hickory	5,350	4,250	14,700	5,760
Locust, black	4,850	4,100	13,400	5,220
Maple, sugar	4,700	3,700	12,900	5,040
Maple red	4,200	3,200	11,900	4,500
Maple, silver	3,750	2,750	10,500	4,050
Oak, red	5,250	3,700	14,800	5,670
Oak, white	5,200	4,000	14,400	5,580
Pine, jack	4,200	2,500	11,500	4,500
Pine, loblolly	4,500	3,200	12,400	4,860
Pine, longleaf	4,250	3,400	11,100	4,590
Pine, Norway (red)	3,500	2,750	9,700	3,780
Pine, pitch	4,500	2,900	12,400	4,860
Pine, shortlleaf	4,250	3,200	10,400	4,590
Pine, slash	4,700	4,000	12,200	5,040
Pine, sugar	4,250	2,100	11,500	4,590
Pine, yellow (western)	3,750	2,350	11,300	4,050
Pine, white	2,920	2,250	9,000	3,150
Poplar, yellow (tulip)	3,200	2,350	8,800	3,420
Spruce, black	2,700	2,350	7,700	2,880
Sycamore	4,350	2,920	12,000	4,860
Walnut, black	4,840	3,250	11,900	5,220


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