Unit Conversions
revised July 2010
Page 1 of 2
to convert
to
multiply by
Mass & Weight
0.035274
2.20462
0.001
0.984207
0.001
446.43 x 10-6
0.0005
ounce (oz)
pound (lb)
tonne (metric ton or MT)
ton UK (long ton)
kip
ton UK (long ton)
ton USA (short ton)
gram (g)
kilogram (kg)
kilogram (kg)
tonne (t)
pound (lb)
pound (lb)
pound (lb)
28.349
0.453592
1000
1.01605
1000
2240
2000
inch (in)
foot (ft)
yard
mile
thou or mil
millimetre (mm)
micrometre (micron or µm)
millimetre (mm)
metre (m)
metre (m)
kilometre (km)
millimetre (mm)
micrometre (micron or µm)
micro-inch (µ")
25.400
0.3048
0.91440
1.60934
0.02540
1000
39.370
acre
square inch (in²)
square foot (ft²)
square metre (m²)
hectare (ha)
square centimetre (cm²)
square metre (m²)
hectare (ha)
0.40469
6.4516
0.092903
0.0001
gal (UK)
gal (US)
litre (l or L)
fluid ounce (fl oz)
pint (UK)
cubic metre (m3)
cubic inch (in3)
litre (l or L)
litre (l or L)
millilitre (ml)
millilitre (ml)
litre (l or L)
litre (l or L)
millilitre (ml)
4.5461
3.7854
1000
28.413
0.56826
1000
16.3871
pascal (Pa)
megapascal (MPa)
kilopascal (kPa)
megapascal (MPa)
pound-force/sq.inch (lbf/in² or psi)
pound-force/sq.inch (lbf/in² or psi)
megapascal (MPa)
ton-force (UK)/sq.inch (tonf/in²)
kilogram-force/sq.mm (kgf/mm²)
megapascal (MPa)
kilopascal (kPa)
inches mercury (in Hg)
pound-force/sq.in (lbf/in² or psi)
kilopascal (kPa)
kilopascal (kPa)
pound-force/sq.in (lbf/in² or psi)
1.000
1.000
1000
1000
145.04
1000
6.895
0.06475
0.10197
0.100
100
29.53
14.504
6.89476
101.32
14.696
Length
0.0393701
3.28084
1.09361
0.621371
39.370
0.001
0.02540
Area
2.47105
0.1550
10.7639
10000
Volume
0.21997
0.26417
0.001
0.035195
1.7598
0.001
0.061024
Tensile Strength, Stress & Pressure
1.000
1.000
0.001
0.001
0.006895
0.001
0.145
15.444
9.80665
10.00
0.010
0.03386
0.06895
0.14504
0.009869
0.06804
multiply by
newton/sq.metre (N/m²)
newton/sq.mm (N/mm²)
megapascal (MPa)
gigapascal (GPa)
megapascal (MPa)
ksi
ksi
megapascal (MPa)
megapascal (MPa)
bar
bar
bar
bar
pound-force/sq.in (lbf/in² or psi)
atmosphere (atm)
atmosphere (atm)
to
to convert
ATLAS STEELS
www.atlassteels.com.au
Unit Conversions
revised July 2010
Page 2 of 2
to convert
to
multiply by
Force
105
0.10197
0.22481
2.2046
0.10036
dyne
kilogram-force (kgf)
pound-force (lbf)
pound-force (lbf)
ton-force (UK)
newton (N)
newton (N)
newton (N)
kilogram-force (kgf)
kilonewton (kN)
10-5
9.80665
4.44822
0.45359
9.9640
pound-force foot (lbf ft)
kilogram-force metre (kgf m)
pound-force inch (lbf in)
newton metre (Nm)
newton metre (Nm)
newton metre (Nm)
1.356
9.80665
0.1130
kilogram/cu.metre (kg/m3)
kilogram/cu.metre (kg/m3)
kilogram/cu.metre (kg/m3)
1000
27680
0.06243
foot pound-force (ft lbf)
calorie (cal)
kilogram-force metre (kgf m)
British thermal unit (Btu)
kilowatt hour (kWh)
therm
joule (J)
joule (J)
joule (J)
joule (J)
megajoule (MJ)
megajoule (MJ)
1.35582
4.1868
9.80665
1055.1
3.600
105.51
watt (W)
horsepower
British thermal unit/hr (Btu/h)
kilocalorie/hour (kcal/h)
foot pound-force/sec (ft lbf/s)
kilogram-force metre/sec (kgf m/s)
joule/sec (J/s)
kilowatt (kW)
watt (W)
watt (W)
watt (W)
watt (W)
1.000
0.74570
0.2931
1.163
1.3558
9.80665
Torque
0.7376
0.10197
8.851
Density
0.001
gram/cu.centimetre (g/cm3)
-6
36.127 x 10 pound/cu.inch (lb/in3)
16.0185
pound/cu.foot (lb/ft3)
Energy, Work & Heat
0.73756
0.2388
0.10197
9.478 x 10-4
0.27778
0.009478
Power
1.000
1.3410
3.4121
0.8598
0.73757
0.10197
multiply by
to
to convert
Temperature
°F = (°C x 1.8) + 32
°C = (°F – 32) / 1.8
°K = °C + 273.15
ATLAS STEELS TECHNICAL DEPARTMENT
Freecall
1800 818 599 (Australia)
e-mail
tech@atlassteels.com.au
Further information is also given on the Atlas website at www.atlassteels.com.au
Contact details for the extensive Atlas branch network are also listed on this website.
LIMITATION OF LIABILITY
The information contained in this Atlas Steels publication is not an exhaustive statement of all relevant
information. It is a general guide for customers to the products and services available from Atlas Steels and
no representation is made or warranty given in relation to this information or the products or processes it
describes.
This publication may be freely copied, but it is requested that the source be acknowledged.
Copyright © Atlas Steels 2010
ATLAS STEELS
www.atlassteels.com.au