| Length Conversion Factors |
| To
convert from |
to |
Multiply by |
| Mile
(US Statute) |
kilometer
(km) |
1.609347 |
| Mile
(US Statute) |
kilometer
(km) |
1.609347 |
| Inch
(in) |
millimeter
(mm) |
25.4 |
| Inch
(in) |
centimeter
(cm) |
2.54 |
| Inch
(in) |
meter
(m) |
0.0254 |
| Foot
(ft) |
meter
(m) |
0.3048 |
| Yard
(yd) |
meter
(m) |
0.9144 |
| |
| Volume
Conversion Factors |
| To
convert from |
to |
multiply
by |
| Cubic
inch (cu in) |
cubic
meter (cu m) |
0.00001639 |
| Cubic
foot (cu ft) |
cubic
meter (cu m) |
0.02831685 |
| Cubic
yard (cu yd) |
cubic
meter (cu m) |
0.7645549 |
| Gallon
(gal) |
cubic
meter (cu m) |
0.004546 |
| Canada
liquid |
|
|
| Gallon
(gal) |
liter |
3.7854118 |
| U.S.
liquid |
|
|
| Gallon
(gal) |
cubic
meter (cu m) |
0.00378541 |
| Fluid
ounce (fl oz) |
milliliters
(ml) |
29.57353 |
| Fluid
ounce (fl oz) |
cubic
meter (cu m) |
0.00002957 |
| |
| Force Conversion Factors |
| To
convert from |
to |
multiply
by |
| Kip
(1000 lb) |
kilogram
(kg) |
453.6 |
| Kip
(1000 lb) |
Newton
(N) |
4,448.222 |
| Pound
(lb) |
kilogram
(kg) |
0.4535924 |
| Avoirdupois
Pound (lb) |
Newton
(N) |
4.448222 |
 |
| STANDARD
ITEM TABLE |
METRIC
EQUIVALENT |
| ACRE
|
Hectare
(ha) |
| CUBIC
FOOT |
Cubic
meter (m3) |
| CUBIC
YARD |
Cubic
meter (m3) |
| GALLON/
M GALLON |
Liter
(L), cubic meter (m3) |
| HUNDRED |
Hundred
for traffic buttons |
| HUNDRED
WEIGHT |
Kilograms
(kg) |
| LINEAR
FOOT |
Meter
(m) |
| M
BOARD FEET |
Cubic
meter (m3) |
| MILE |
Kilometer
(km) |
| NAUTICAL
MILE |
Nautical
Mile |
| POUND |
Kilogram
(kg) for mass |
| |
Newton
(N) for force |
| SQUARE
FOOT |
Square
meter (m2) |
| SQUARE
YARD |
Square
meter (m2) |
| TON |
Tonne
(t) |
| |
| UNITS
OF MEASUREMENT USED IN SPECIAL
PROVISIONS & GENERAL SPECIAL PROVISIONS
|
METRIC
EQUIVALENT |
| GAGE;
GAUGE METAL THICKNESS |
gage
(mm) |
| FAHRENHEIT
TEMPERATURE |
Kelvin
(K) or degree Celsius (C) |
| FATHOM
WATER DEPTH |
Meter
(m) |
| FOOT/LBS
TORQUE |
Newton-meter
(N-m) |
| LBS/SQ.
IN PRESSURES |
kilopascal
(kPa) |
| |
Mega
Pascal (MPa) (if very large number) |
| LBS/SQ.
FT |
Kilopascal
(kPa) |
| LBS/SQ
YD |
Kilopascal
(kPa) |
| INCH
LINEAR |
Millimeter
(mm) |
| KIPS;KSI
TENSION |
Kilopascal
(kPa) or |
| |
Mega
Pascal (MPa) |
| LBS/ACRE
EROSION CONTROL |
Kilograms/hectare |
| LBS/CU.
FT. DENSITY |
Kilogram
per cubic meter (kg/m3) |
| MIL
THICKNESS |
Micrometer
(um) |
| FT.
LBS./SEC. HORSE POWER |
Watt
(W) |
| |
| Units
of Measurement used
in Commercial Standards |
METRIC
EQUIVALENT |
| GALS/HR
or MIN (PUMPS) |
Liters
per second (L/s) |
| 500
GALLON TANKS |
Cubic
meter (m3) but it could also possibly be in liter (L) |
| 55
GALLON DRUMS for liquid |
Cubic
meter (m3) or liter (L) |
| 94
LBS/SACK (CEMENT) |
Kilograms
(kg) |
| DIAMETER
OF REINFORCING STEEL |
Millimeter
(mm) |
| LBS/FT
OF REINFORCING STEEL |
Kilogram
per meter (kg/m) |
| BUSHEL |
Cubic
meter (m3) |
|
|
| Length Conversion Factors |
| Length |
|
|
| To
convert from |
to |
multiply
by |
| Mile
(US Statute) |
kilometer
(km) |
1.609347 |
| Inch
(in) |
millimeter
(mm) |
25.4 |
| Inch
(in) |
centimeter
(cm) |
2.54 |
| Inch
(in) |
meter
(m) |
0.0254 |
| Foot
(ft) |
meter
(m) |
0.3048 |
| Yard
(yd) |
meter
(m) |
0.9144 |
| |
| Volume
Conversion Factors |
| Volume |
|
|
| To
convert from |
to |
multiply
by |
| Cubic
inch (cu in) |
cubic
meter (cu m) |
0.00001639 |
| Cubic
foot (cu ft) |
cubic
meter (cu m) |
0.02831685 |
| Cubic
yard (cu yd) |
cubic
meter (cu m) |
0.7645549 |
| Gallon
(gal) |
liter |
4.546 |
| Canada
liquid |
|
|
| Gallon
(gal) |
cubic
meter (cu m) |
0.004546 |
| Gallon
(gal) |
liter |
3.7854118 |
| U.S.
liquid |
|
|
| Gallon
(gal) |
cubic
meter (cu m) |
0.00378541 |
| Fluid
ounce (fl oz) |
milliliters
(ml) |
29.57353 |
| Fluid
ounce (fl oz) |
cubic
meter (cu m) |
0.00002957 |
| |
| Force Conversion Factors |
| Force |
|
|
| To
convert from |
to |
multiply
by |
| Kip
(1000 lb) |
kilogram
(kg) |
453.6 |
| Kip
(1000 lb) |
Newton
(N) |
4,448.222 |
| Pound
(lb) |
kilogram
(kg) |
0.4535924 |
| Avoirdupois
Pound (lb) |
Newton
(N) |
4.448222 |
|
| Pressure or Stress Conversion Factors |
| Pressure
or stress |
|
|
| Kip
per square inch (ksi) |
Mega
Pascal (MPa) |
6.894757 |
| Pound
per |
kilogram
per |
4.8824 |
| Pound
per square |
Pascal
(Pa) |
47.88 |
| Foot
(psf) |
|
|
| Pound
per square |
Pascal
(Pa) |
6,894.757 |
| Inch
(PSI) |
|
|
| Pound
per square |
Mega
Pascal (MPa) |
0.00689476 |
| |
|
|
| Mass Conversion Factors |
| Mass
(weight) |
|
|
| Pound
(lb) |
Kilogram
(kg) |
0.4535924 |
| Avoirdupois |
|
|
| Ton,
2000 lb |
Kilogram
(kg) |
907.1848 |
| |
| Mass
per volume (density) |
|
|
| Pound
per cubic |
Kilogram
per cubic |
16.01846 |
| |
| Temperature |
|
|
| Degree
Fahrenheit (F) |
Degree
Celsius (C) |
tc
= (tF-32)/1.8 |
| Degree
Fahrenheit (F) |
Kelvin
(K) |
tk
= (tF+459.7)/1.8 |
| Kelvin
(K) |
Degree
Celsius (C) |
tc
= tk-273.15 |
| |
| Energy
and heat |
|
|
| British
thermal |
Joule
(J) |
1055.056 |
| Unit
(Btu) |
|
|
| Calorie
(cal) |
Joule
(J) |
4.1868E |
| Btu/degree |
F
x hr x ft2 W/m2 - degree K |
5.678263 |
| Kilowatt-hour
(kwh) |
Joule
(J) |
3,600,000E |
| British
thermal |
Calories
per gram |
0.55556 |
|
| Power
Conversion Factors |
| Power |
|
|
| horsepower
(hp) |
Watt
(W) |
745.6999
E |
| Velocity |
|
|
| mile
per hour (mph) |
Kilometer
per hour (km/hr) |
1.60934 |
| mile
per hour (mph) |
Meter
per second (m/s) |
0.44704 |
| |
|
|
| More Useful Conversion Factors |
| Quantity |
|
|
| from
English |
to
Metric |
Multiply
by |
| Length |
|
|
| Mile |
km |
1.609347 |
| Yard |
m |
0.9144 |
| Foot |
m |
0.3048 |
| Inch |
mm |
25.40 |
| Area |
|
|
| square
mile |
km
2 |
2.590 |
| Acre |
m
2 |
4047 |
|
Acre |
hectare |
0.4047 |
| Square
yard |
m
2 |
0.8361 |
| Square
foot |
m
2 |
0.092
90 |
| Square
inch |
mm
2 |
645.2 |
| Volume |
|
|
| Cubic
yard |
m
3 |
0.7646 |
| Cubic
foot |
m
3 |
0.028
32 |
| Cubic
foot |
L
(1000 cm 3) |
28.32 |
| 100
board feet |
m
3 |
0.2360 |
| Gallon |
L
(1000 cm 3) |
3.785 |
| Mass |
|
|
| lb |
kg |
0.4536 |
| kip
(1000 lb) |
metric
ton (1000kg) |
0.4536 |
| Mass/unit
length |
|
|
| plf |
kg/m |
1.488 |
| Mass/unit
area |
|
|
| psf |
kg/m
2 |
4.882 |
| Mass
density |
|
|
| pcf |
kg/m
3 |
16.02 |
| Force |
|
|
| lb |
N |
4.448 |
| kip |
kN |
4.448 |
| Force/unit
length |
|
|
| plf |
N/m |
14.59 |
| klf |
kN/m |
14.59 |
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