Metric / Imperial Conversions

Metric to Imperial

Area
mm2x0.0016 = in2
cm2x0.1550 = in2
m2x10.7639 = ft2
Energy
Nm/sx0.7375 = ft lb
Jx0.7375 = ft lb
MJx0.2778 = kWh
Flow rate
NI/minx0.035 = SCFM
m3/hx0.588 = SCFM
Force
gfx2.2050 x 10-3
kgfx2.2046 = lbf
Nx0.2248 = lbf
Length
μmx0.0394 = mils
mmx0.0394 = in
cmx0.3937 = in
mx3.2810 = ft
Power
kWx1.341 = hp
Pressure
kPax0.145 = psi
barx14.500 = psi
atmx14.700 = psi
in Hgx0.491 = psi
Temperature
°F=(1.8 x °C) + 32
Torque
Nmx0.7375 = ft lb
Volume
mm3x6.10 x 10-5 = in3
cm3 (cc)x0.0610 = in3
m3x35.3200 = ft3
lx0.0353 = ft3
Weight
gx0.0353 = oz
kgx2.2046 = lb

Imperial to Metric

Area
in2x645.1600 = mm2
in2x6.4516 = cm2
ft2x0.0929 = m2
Energy
ft lbx1.356 = Nm/s
ft lbx1.356 = J
kWhx3.600 = MJ
Flow rate
SCFM (ft/min)x28.570 NI/min
SCFMx1.699 = m3/h
Force
lbfx453.6000 = gf
lbfx0.4536 = kgf
lbfx4.4482 = N
Length
milsx25.4000 = μm
inx25.4000 = mm
inx2.54.00 = cm
ftx0.3048 = m
Power
hpx0.7457 = kW
Pressure
psix6.89700 = kPa
psix0.06897 = bar
psix0.06800 = atm
psix2.03600 = in Hg
Temperature
°C=(°F-32) x 0.555
Torque
ft lbx1.3559 = Nm
Volume
in3x16,387.0 = mm3
in3x16.3870 = cm3 (cc)
ft3x0.0283 = m3
ft3x28.3290 = l
Weight
ozx28.3241 = g
lbx0.4536 = kg

Key

μmmicron (micrometer)
mmmillimeter
cmcentimeter
mmeter
mils0.001 inch
ininch
ftfoot
cccubic centimeter
lliter
ggram
kgkilogram
ozounce
lbpound
gfgram-force
kgfkilogram-force
Nnewton
lbfpound-force
Nmnewton-meter
kg mkilogram-meter
ftlbfoot-pound
psipounds per square inch
kPakilopascals
atmatmospheres
Jjoule
MJmegajoule
Wwatt
kWkilowatt
kWhkilowatt-hour
hphorsepower
°Cdegrees Centigrade
°Fdegrees Fahrenheit
sseconds
NI/minNormal liters per minute
SCFMStd. cubic feet per minute