39
inches (in.)
X 25.4
= millimeters (mm)
millimeters (mm)
X 0.
0
3937 = inches (in.)
feet (ft.)
X 0.3048
= meters (m)
meters (m)
X 3.281
= feet (ft.)
miles (mi.)
X 1.6093
= kilometers (km)
kilometers (km)
X 0.6214
= miles (mi.)
inches
2
(sq.in.)
X 645.15
= millimeters
2
(mm
2
)
millimeters
2
(mm
2
)
X 0.000155 = inches
2
(sq.in.)
feet
2
(sq.ft.)
X 0.0929
= meters
2
(m
2
)
meters
2
(m
2
)
X 10.764
= feet
2
(sq.ft.)
inches
3
(cu.in.)
X 0.01639 = liters (l)
liters (l)
X 61.024
= inches
3
(cu.in.)
quarts (qts.)
X 0.94635 = liters (l)
liters (l)
X 1.0567
= quarts (qts.)
gallons (gal.)
X 3.7854
= liters (l)
liters (l)
X 0.2642
= gallon (gal.)
inches
3
(cu.in.)
X 16.39
= centimeters
3
(cc)
centimeters3 (cc)
X 0.06102 = inches
3
(cu.in.)
feet
3
(cu.ft.)
X 28.317
= liters (l)
liters (l)
X 0.03531 = feet
3
(cu.ft.)
feet
3
(cu.ft.)
X 0.02832 = meters
3
(m
3
)
meters3 (m3)
X 35.315
= feet
3
(cu.ft.)
fluid ounce (fl.oz.)
X 29.57
= millileters (ml)
milliliters (ml)
X 0.03381 = fluid ounce (fl.oz.)
ounces (oz.)
X 28.35
= grams (g)
grams (g)
X 0.03527 = ounces (oz.)
pounds (lbs.)
X 0.4536
= kilograms (kg)
kilograms (kg)
X 2.2046
= pounds (lbs.)
tons (2000 lbs.)
X 907.18
= kilograms (kg)
kilograms (kg)
X 0.001102 = tons (2000 lbs.)
tons (2000 lbs.)
X 0.90718 = metric tons (t)
metric tons (t)
X 1.1023
= tons (2000 lbs.)
tons (long) (2240 lbs.) X 1013.05 = kilograms (kg)
kilograms (kg)
X 0.000984 = tons (long) (2240 lbs.)
inches Hg (60
o
F)
X 3600
= kilopascals (kPa)
kilopascals (kPa)
X 0.2961
= inches Hg (60
o
F)
pounds/sq.in. (PSI)
X 6.895
= kilopascals (kPa)
kilopascals (kPa)
X 0.145
= pounds/sq.in. (PSI)
pounds/sq.in. (PSI)
X 0.0703
= kilograms/sq.cm. (kg/cm
2
)
kilograms/sq.cm. (kg/cm2) X 14.22
= pounds/sq.in. (PSI)
pounds/sq.in. (PSI)
X 0.069
= bars
bars
X 14.5
= pounds/sq.in. (PSI)
inches H
2
O (60
o
F)
X 0.2488
= kilopascals (kPa)
kilopascals (kPa)
X 4.0193
= inches H
2
O (60
o
F)
bars
X 100
= kilopascals (kPa)
kilopascals (kPa)
X 0.01
= bars
horsepower (hp)
X 0.746
= kilowatts (kW)
kilowatts (kW)
X 1.34
= horsepower (hp)
ft.-lbs./min.
X 0.0226
= watts (W)
watts (W)
X 44.25
= ft.-lbs./min.
pound-inches (in.-lbs.) X 0.11298 = newton-meters (N-m)
newton-meters (N-m)
X 8.851
= pound-inches (in.lbs.)
pound-feet (ft.-lbs.)
X 1.3558
= newton-meters (N-m)
newton-meters (N-m)
X 0.7376
= pound-feet (ft.-lbs.)
pound-feet (ft.-lbs.)
X .1383
= kilograms/meter (kg-m)
kilogram/meter (kg-m)
X 7.233
= pound-feet (ft.-lbs.)
miles/hour (m/h)
X 0.11298 = kilometers/hour (km/hr)
kilometers/hour (km/hr)
X 0.6214
= miles/hour (m/h)
feet/second (ft./sec.)
X 0.3048
= meter/second (m/s)
meters/second (m/s)
X 3.281
= feet/second (ft./sec.)
feet/minute (ft./min.)
X 0.3048
= meter/minute (m/min)
meters/minute (m/min)
X 3.281
= feet/minute (ft./min.)
mega
(M)
= 1,000,000 or 106
deci
(d)
= 0.1 or 10
-1
kilo
(k)
= 1,000 or 10
3
centi
(c)
= 0.01 or 10
-2
hecto
(h)
= 100 or 10
2
milli
(m)
= 0.001 or 10
-3
deka
(da)
= 10 or 10
1
micro
(
m
)
= 0.000.001 or 10
-6
o
Celsius = 0.556 (
o
F - 32)
o
Fahrenheit = (1.8
o
C) + 32
COMMON METRIC PREFIXES
TEMPERATURE
POWER
TORQUE
VELOCITY
VOLUME
MASS
PRESSURE
METRIC CONVERSION TABLE
LINEAR
AREA
English to Metric
Metric to English