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Table 1 Conversion factors Framing terms Metric - dimension
Imperial - nominal (unplaned) dimensions
38 x 38 mm
2 x 2 in.
38 x 89 mm
2 x 4 in.
38 x 140 mm
2 x 6 in.
38 x 184 mm
2 x 8 in.
38 x 235 mm
2 x 10 in.
38 x 286 mm
2 x 12 in.
600 x 2,400 mm
2 x 8 ft.
1,200 x 2,400 mm
4 x 8 ft.
300 mm
12 in. O.C.
400 mm
16 in. O.C.
600 mm
24 in. O.C.
°C
x 1.8 + 32 =
°F
kg
x 2.205 =
lb
kPa
x 0.1450 =
lbf/in2 (psi)
kPa
x 20.88 =
lbf/ft2
L
x 0.2200 =
gal (imp.)
L/s
x 13.20 =
gal/min (gmp)
lx
x 0.09290 =
ft-candle
m
x 3.281 =
ft
m2
x 10.76 =
ft2
m3
x 35.31 =
ft3
mm
x 0.03937 =
in.
m3/h
x 0.5886
ft3/min (cfm)
m/s
x 196.8 =
ft/min
MJ
x 947.8 =
Btu
N
x 0.2248
lbf
Watts
x 3.412 =
Btu/h
ng/(Pa.s.m2)
x 0.0174
Perms
Pa
x 0.004014 =
in. of water
Lumber
Panels Spacings
Units of Measure