Symbols, Units, Constants & Conversions

Constants      SI Metric Units      Greek A;phabet

Multiples & Submultiples of Units      Derived Quantities

Conversion Factors            rad - deg Conversions
 

Conversions


Length
1 m
1 ft
1 yd
1 mile
    1000 mm
304.8 mm
0.9144 m
1.609344 km
 
Area
1 m2
1 ft2
1 yd2
1 mile2
645.16 m2
0.092903 m2
0.836127 m2
2.58999 km2
Volume
1 m3
1 ft3
1 gallon
16387.1 mm3
0.0283168 m3 4.546 litres
 
Velocity
1 ft/s
1 mile/h
0.3048 m/s
0.44704 m/s
Mass
1 Ib
0.45359237 kg
 
Energy
1 calorie
1 Btu
1 KWh
    J
1.05506 kJ
2.6 x 106 J
Power
1 hp
745.7 W
 
 
 
 

Conversion Factors


To Convert
into
Multiply by
amper-hours
coulombs
3400
ampere/metre
oersteds
1.257 x 10-2
angstroms
metres
10-10
sngstroms
nanometres
0.1
atmospheres
newtons/sq.m
1.013 x 105
bars
newtons/sq.m
105
bits (reliability)
fits
10
bits (reliability)
failure / 1000hrs
105
bits (reliability)
% failure / 1000 hrs
10-3
BTU
houles
1.053 x 103
BTU
kilowatt-hours
2.93 x 10-4
calories
joules
4.187
Celsius, OC (centigrade)
Fahrenheit, OF
(OC x 9/5) + 32
centimetres
inches
3.937 x 10-1
centimetres
feet
3.281 x 10-2
coulombs
ampere-hours
2.778 x 10-4
cubic cm
cubic inches
6.102 x 10-2
cubic feet
litres
28.32
cubic inches
cubic cm
16.39
cubic inches
litres
1.639 x 10-2
decibels
nepers
0.1151
degrees
radians
1.745 x 10-2
dynes
grammes
1.020 x 10-3
dynes
newtons
10-5
dynes
poundals
7.233 x 10-5
6dynes
pounds
2.248 x 10-6
dynes / sq.cm
kg / sq. m
1.020 x 10-2
dynes / sq.com
newtons / sq. m
10-1
dynes / sq.com
pounds / sq.inch
1.45 x 10-5
electron-volts
jouls 
1.602 x 10-19
ergs / second
watts
10-7
Fahrenheit, OF
Celsius, OC (centigrade)
(OF - 32) x 5/9
failures / 1000 hrs
fits
106
failures / 1000 hrs
bits
105
feet
centimetres
30.48
feet
kilometres
3.048 x 10-4
fits
bits
10-1
fits
failures 1000 hrs
10-6
fits
% failures / 1000 hrs
10-4
foot-pounds
kilowatt-hrs
3.766 x 10-7
foot-pounds / sec
horsepower
1.816 x 10-3
gallons (UK)
litres
4.546
gallons (US)
litres
3.786
gauss
litres / sq. inch
6.452
gauss
teslas
10-4
gauss
webers /sq .m
10-4
grammes
dynes
980.7
grammes / cu cm
kilogrammes / cu m
103
horsepower
ft-lbs/sec
550
jprse[pwer
watts
745.7
inches
centimetres
2.54
inches
mils
1000
joules
BTU
9.478 x 10-4
joules
calories
0.239
joules
electron-volts
6.24 x 1018
joules
kilowatt-hours
2.778 x 10-7
kilogrammes
dynes
9.807 x 105
kilogrammes
newtons
9.807
kilogrammes
pounds
2.205
kilogrammes
tonnes
10-3
kg / sq. m
dynes / sq. cm
98.07
kg / sq. m
newtons / sq. m
9.807
kg / sq. m
pounds / sq. inch
1.422 x 10-3
kg / cu m
grammes / cu cm
10-3
kilometres
feet
3281
kilowatt-hours
BTU
3413
kilowatt-hours
footpounds
2.655 x 106
kilowatt-hours
joules
3.6 x 106
litres / sq. inch
gauss
0.155
litres
cubic feet
3.53 x 10-2
litres
cubic metres
61.02
litres
gallons (UK)
0.22
litres
gallons (US)
0.2642
log e
log 10
0.4543
log 10
log e
2.3026
maxwells
webers
10-8
metres
angstroms
1010
metres
microns
106
metres
yards
1.094
microhms / cu cm
microhms / inch cube
0.3937
microhms /inch3
microhms / cu cm
2.54
microns
metres
10-6
mils
inches
10-3
nanometres
angstroms
10
nepers
decibels
8.686
newtons
dynes
105
newtons
kilogrammes
0.102
newtons
poundals
7.233
newtons
pounds
0.2248
newtons / sq. m
atmospheres
9.869 x 10-6
newtons / sq. m
bars
10-5
newtons / sq. m
dynes / sq.cm
10
newtons / sq. m
kilogrammes / sq.m 
0.102
newtons / sq. m
pounds / sq. inch
1.45 x 10-4
oerstens
amperes / metre
79.58
pascals
pounds / sq. inch
1.45 x 10-4
poundals
dynes
1.383 x 104
poundals
newtons
0.1383
pounds
dynes
4.448 x 105
pounds
kilogrammes
0.4536
pounds
newtons
4.448
pounds / sq. inch
dynes / sq. cm
6.895 x 104
pounds / sq. inch
newtons / sq. m (pascals)
6.895 x 103
pounds / sq. inch
kilogrammes / sq. m
7.031 x 102
radians
degrees
57.3
square inches
square cm
6.452
square cms
square inches
0.155
teslas
gauss
104
tonnes
kilogrammes
103
tonnes
tons
0.9842
tons
tonnes
1.016
webers
maxwells
108
webers / sq. m
gauss
104
watts
ergs / sec
107
watts
horsepower
1.341 x 10-3
yards
metres
0.9144

rad - deg Conversions

Radians Degrees
1 57.30
2 114.59
3 121.89
4 229.18
5 286.48
6 343.77
2p 360

 

Physics Main Page                   Home Page

Compiled by D. Brewer - April 2000