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Full Conversion Table (sorted by Category)

Category

Unit

Formula

In SI

SI Unit

In CGS

CGS Unit
Acceleration
acceleration of free fall (g or grav)

9.80665
m/sec2
980.665
cm/sec2
Acceleration
galileo (Gal or gal)

0.01
m/sec2
1.0
cm/sec2
Angle
degree angular (° or deg)
quadrant/90
0.0174533
radian(rad)
0.0174533
radian(rad)
Angle
gon or grade (g or grd)
0.9*degree_angular
0.015707963267949
radian(rad)
0.015707963267949
radian(rad)
Angle
minute (' or m)
1/60*degree_angular
2.90888208665722E-4
radian(rad)
2.90888208665722E-4
radian(rad)
Angle
quadrant (quad)
3.14159265/2
1.5708
radian(rad)
1.5708
radian(rad)
Angle
revolution (r )
360*degree_angular
6.28319
radian(rad)
6.28319
radian(rad)
Angle
second (" or s or sec)
1/60*minute_angular
4.848136811E-6
radian(rad)
4.848136811E-6
radian(rad)
Area
acre (ac or A)

4046.86
m2
40468600.0
cm2
Area
area(a)

100.0
m2
1000000.0
cm2
Area
hectare (ha)
10000
10000.0
m2
1.0E+8
cm2
Area
square centimeter (cm2)
cm*cm
0.0001
m2
1.0
cm2
Area
square foot (f2)
f*f
0.092903
m2
929.030
cm2
Area
square inch (in2)

0.00064516
m2
6.4516
cm2
Area
square kilometer (km2)
km*km
1.0E+6
m2
1.0E+10
cm2
Area
square mile (mi2 or sq mi)
mi*mi
2589846
m2
25898460000.0
cm2
Area
square millimeter (mm2)
mm*mm
1.0E-6
m2
1.0E-2
cm2
Area
square yard (y2)
.8361
0.8361
m2
8361.0
cm2
Distance_Length
astronomical unit (ua or au)
92955807*mile
149597870691
m
14959787069100
cm
Distance_Length
caliber (cal)
0.01*inch
0.000254
m
0.0254
cm

Category

Unit

Formula

In SI

SI Unit

In CGS

CGS Unit
Distance_Length
centimeter (cm)
.01
0.01
m
1.0
cm
Distance_Length
chain (ch) (Gunther's) (U.K.)
792*inch
20.1168
m
2011.68
cm
Distance_Length
chain (ch) (Ramsden's) (U.S.)
1200*inch
30.480
m
3048.0
cm
Distance_Length
cicero
corresponds to the pica
0.00452
m
0.452
cm
Distance_Length
decimeter (dm)
.1
0.1
m
10.0
cm
Distance_Length
Didot point
0.013837*inch
0.0003514598
m
0.03514598
cm
Distance_Length
fathom (fth or fath)
6*foot
1.828804
m
182.8804
cm
Distance_Length
foot (ft or ')
.3048
0.30480
m
30.480
cm
Distance_Length
furlong (fur)
mi/8
201.0
m
20100.0
cm
Distance_Length
hand
4*inch
0.1016
m
10.16
cm
Distance_Length
inch (in or ")
.0254
0.0254
m
2.54
cm
Distance_Length
kilometer (km)
1000
1000.0
m
100000.0
cm
Distance_Length
light year (ly)

9.46091E+15
m
9.46091E+17
cm
Distance_Length
line (li)
1/12*inch
2.11666666666667E-03
m
0.211666666666667
cm
Distance_Length
link (for Gunther's chain)
.01*chain
0.201168
m
20.1168
cm
Distance_Length
link (for Ramden's chain)
.01*chain
0.201168
m
20.1168
cm
Distance_Length
meter (m)

1.0
m
100.0
cm
Distance_Length
micron (µ)
1E-6
1.0E-6
m
1.0E-4
cm
Distance_Length
mil (U.S.) or thou (U.K.)
0.001*inch
2.54E-5
m
2.54E-3
cm
Distance_Length
mile (mi)
5280*foot
1609.344
m
160934.4
cm

Category

Unit

Formula

In SI

SI Unit

In CGS

CGS Unit
Distance_Length
millimeter (mm)
.001
0.001
m
0.1
cm
Distance_Length
nanometer (nm)
1E-9
1.0E-9
m
1.0E-7
cm
Distance_Length
nautical mile (nmi or NM)

1852.0
m
185200.0
cm
Distance_Length
parsec (pc)
3.084E+15
3.084E+15
m
3.084E+17
cm
Distance_Length
pica (pi) or em
12*point
0.00421752
m
0.421752
cm
Distance_Length
point (pt) (British & American)
inch/72
0.0003514598
m
0.03514598
cm
Distance_Length
yard (yd)
.9144
0.9144
m
91.44
cm
Electric_charge
ampere hour (A h)

3600.0
coulomb(C)
3600.0
sec A
Electric_charge
coulomb (C)

1.0
coulomb(C)
1.0
sec A
Electric_charge
elementary charge (e)

1.6021776462E-19
coulomb(C)
1.6021776462E-19
sec A
Electric_current
abampere or biot (Bi)
10*ampere
10.0
A
1.0
abampere
Electric_inductance
abhenry

1.0E-9
m2*kg/sec2A2(henry,H)
1.0
abhenry
Electric_potential
abvolt

1.0E-8
J/C(Volt,V)
1.0
abvolt
Electric_resistance
abohm

1.0E-9
ohm
1.0
abohm
Energy
british thermal unit (Btu) (39 F)

1059.67
m2*kg/sec2(Joule)
1.05967E+10
cm2*g/sec2(erg)
Energy
british thermal unit (Btu) (59 F)

1054.80
m2*kg/sec2(Joule)
1.05480E+10
cm2*g/sec2(erg)
Energy
british thermal unit (Btu) (60 F)

1054.68
m2*kg/sec2(Joule)
1.05468E+10
cm2*g/sec2(erg)
Energy
british thermal unit (Btu) (Int'l Table)

1055.05585262
m2*kg/sec2(Joule)
10550558526.2
cm2*g/sec2(erg)
Energy
british thermal unit (Btu) (Thermochemical)

1054.35
m2*kg/sec2(Joule)
1.05435E+10
cm2*g/sec2(erg)
Energy
calorie (cal 15) (15 C)

4.18580
m2*kg/sec2(Joule)
4.18580E+7
cm2*g/sec2(erg)

Category

Unit

Formula

In SI

SI Unit

In CGS

CGS Unit
Energy
calorie (cal 20) (20 C)

4.18190
m2*kg/sec2(Joule)
4.18190E+7
cm2*g/sec2(erg)
Energy
Calorie (Cal or kcal) (nutrition) (Int'l Table)

4.1868E+03
m2*kg/sec2(Joule)
4.1868E+10
cm2*g/sec2(erg)
Energy
Calorie (Cal or kcal) (nutrition) (mean)

4.19002E+3
m2*kg/sec2(Joule)
4.19002E+10
cm2*g/sec2(erg)
Energy
Calorie (Cal or kcal) (nutrition) (Thermochemical)

4.184E+03
m2*kg/sec2(Joule)
4.184E+10
cm2*g/sec2(erg)
Energy
calorie (cal) (International Table)

4.1868
m2*kg/sec2(Joule)
4.1868E+7
cm2*g/sec2(erg)
Energy
calorie (cal) (mean)

4.19002
m2*kg/sec2(Joule)
4.19002E+7
cm2*g/sec2(erg)
Energy
calorie (cal) (Thermochemical)

4.184
m2*kg/sec2(Joule)
4.184E+7
cm2*g/sec2(erg)
Energy
electronvolt (eV)

1.602176462E-19
m2*kg/sec2(Joule)
1.602176462E-12
cm2*g/sec2(erg)
Energy
erg
0.1*microjoule
1.0E-7
m2*kg/sec2(Joule)
1.0
cm2*g/sec2(erg)
Energy
kilowatt hour(kW·h)
3.6E+6
3600000.0
m2*kg/sec2(Joule)
3.6E+13
cm2*g/sec2(erg)
Finance
hourly pay (hp)
1/261/8
4.78927E-4
$/sec
4.78927E-4
$/sec
Flux_density
tesla (T)

1.0
kg/sec2*A(Wb/m2)(T)
10000.0
gauss(Gs,G)
Illumination
lux (lx) (SI)
lumen/square_foot
0.0161028
W/m2
16.1028
g/sec3
Luminance
lambert (Lb or La)

1.61028E+2
W/m2
1.61028E+5
g/sec3
Luminance
phot (ph)
10000*lux
1.0E+4
W/m2
1.0E+7
g/sec3
Luminous_flux
lumen (lm) (SI)

0.001496
W
14960.0
cm2*g/sec3
Magnetic_field_strength
oersted (Oe)

7.957747E+1
A/m
0.7957747
A/cm
Magnetic_flux_density
gauss (G or Gs)

1.0E-4
tesla(T)
1.0
dyn/A*cm(Gs)
Mass_Weight
carat(ct or c)
2E-4
0.0002
kg
0.2
g
Mass_Weight
dram (avoirdupois)
ounce/16
1.7718451953125E-3
kg
1.7718451953125
g

Category

Unit

Formula

In SI

SI Unit

In CGS

CGS Unit
Mass_Weight
dram (dr) (apothecaries)
ounce_troy/8
0.00388794
kg
3.88794
g
Mass_Weight
dyne (dyn)
10-5*newton
1.019716213E-6
kg
1.019716213E-3
g
Mass_Weight
grain (gr)
648E-7
6.48E-5
kg
0.0648
g
Mass_Weight
gram (g)
.001
0.001
kg
1.0
g
Mass_Weight
gram force or gram-weight
0.0022045*pound
1.0E-3
kg
1.0
g
Mass_Weight
hundredweight long (Cwt) (U.K.)
112*pound
50.802304
kg
50802.304
g
Mass_Weight
hundredweight short (Cwt) (U.S.)
100*pound
45.3592
kg
45359.2
g
Mass_Weight
kilogram (kg)
1
1.0
kg
1000.0
g
Mass_Weight
milligram (mg)
1E-6
1.0E-6
kg
1.0E-3
g
Mass_Weight
newton (N)
105*dyne
0.1019716213
kg
101.9716213
g
Mass_Weight
ounce (oz)

0.0283495
kg
28.3495
g
Mass_Weight
ounce apothecaries (oz)

0.03083
kg
30.83
g
Mass_Weight
ounce troy (troz)

0.0311035
kg
31.1035
g
Mass_Weight
pennyweight (dwt or pwt)
ounce_troy/20
0.00155518
kg
1.55518
g
Mass_Weight
pound (lb or #)
16*ounce
0.453592
kg
453.592
g
Mass_Weight
sheet
pound/700
0.000647989
kg
0.647989
g
Mass_Weight
stone (st)
14*pound
6.35029318
kg
6350.29318
g
Mass_Weight
ton long (t or tn)
1016
1016.0
kg
1016000.0
g
Mass_Weight
ton metric (t or tn)
1000
1000
kg
1000000.0
g
Mass_Weight
ton short (t)
907.2
907.2
kg
907200.0
g

Category

Unit

Formula

In SI

SI Unit

In CGS

CGS Unit
Money
dollar1970
4.41799*current_$
4.41799
U.S. Dollar
0.2645503
Dollar1914
Money
dollar1971
4.19598*current_$
4.19598
U.S. Dollar
0.2512563
Dollar1914
Money
dollar1972
4.06326*current_$
4.06326
U.S. Dollar
0.243309
Dollar1914
Money
dollar1973
3.92019*current_$
3.92019
U.S. Dollar
0.2347419
Dollar1914
Money
dollar1974
3.58369*current_$
3.58369
U.S. Dollar
0.2145922
Dollar1914
Money
dollar1975
3.20537*current_$
3.20537
U.S. Dollar
0.1919383
Dollar1914
Money
dollar1976
3.00360*current_$
3.0036
U.S. Dollar
0.1798563
Dollar1914
Money
dollar1977
2.85470*current_$
2.8547
U.S. Dollar
0.1709401
Dollar1914
Money
dollar1978
2.67200*current_$
2.672
U.S. Dollar
0.16
Dollar1914
Money
dollar1979
2.44510*current_$
2.4451
U.S. Dollar
0.1464132
Dollar1914
Money
dollar1980
2.14653*current_$
2.14653
U.S. Dollar
0.1285347
Dollar1914
Money
dollar1981
1.91954*current_$
1.91954
U.S. Dollar
0.1149425
Dollar1914
Money
dollar1982
1.77094*current_$
1.77094
U.S. Dollar
0.1060443
Dollar1914
Money
dollar1983
1.70757*current_$
1.70757
U.S. Dollar
0.1022497
Dollar1914
Money
dollar1984
1.63886*current_$
1.63886
U.S. Dollar
9.813532E-02
Dollar1914
Money
dollar1985
1.58294*current_$
1.58294
U.S. Dollar
9.478682E-02
Dollar1914
Money
dollar1986
1.52372*current_$
1.52372
U.S. Dollar
9.124072E-02
Dollar1914
Money
dollar1987
1.50180*current_$
1.5018
U.S. Dollar
8.992814E-02
Dollar1914
Money
dollar1988
1.44339*current_$
1.44339
U.S. Dollar
8.643053E-02
Dollar1914
Money
dollar1989
1.37903*current_$
1.37903
U.S. Dollar
8.257664E-02
Dollar1914

Category

Unit

Formula

In SI

SI Unit

In CGS

CGS Unit
Money
dollar1990
1.31083*current_$
1.31083
U.S. Dollar
7.849281E-02
Dollar1914
Money
dollar1991
1.24071*current_$
1.24071
U.S. Dollar
7.429401E-02
Dollar1914
Money
dollar1992
1.20927*current_$
1.20927
U.S. Dollar
7.241137E-02
Dollar1914
Money
dollar1993
1.17111*current_$
1.17111
U.S. Dollar
7.012635E-02
Dollar1914
Money
dollar1994
1.14227*current_$
1.14227
U.S. Dollar
0.0683994
Dollar1914
Money
dollar1995
1.11111*current_$
1.11111
U.S. Dollar
6.653353E-02
Dollar1914
Money
dollar1996
1.08161*current_$
1.08161
U.S. Dollar
6.476706E-02
Dollar1914
Money
dollar1997
1.04965*current_$
1.04965
U.S. Dollar
6.285328E-02
Dollar1914
Money
dollar1998
1.03342*current_$
1.03342
U.S. Dollar
6.188143E-02
Dollar1914
Money
dollar1999
1.01643*current_$
1.01643
U.S. Dollar
6.086407E-02
Dollar1914
Percentage
karat gold (kt)
1/24
0.0416667
1
4.16667
%
Percentage
part per billion (ppb)
1E-9
1.0E-9
1
1.0E-7
%
Percentage
part per million (ppm)
1E-6
1.0E-6
1
1.0E-4
%
Percentage
part per trillion (ppt)
1E-12
1.0E-12
1
1.0E-10
%
Percentage
per mill (roughly, 0/00)
.001
1.0E-3
1
0.1
%
Percentage
percent (% or pct)
.01
0.01
1
1.0
%
Percentage
proof (prf)
percent*2
0.02
1
2.0
%
Power
horsepower US (CV)

745.7
m2*kg/sec3(Watt)
7.457E+9
cm2*g/sec3
Pressure
atmosphere(atm)
101325
101325
kg/m*sec2(PA)
1013250.0
g/cm*sec2
Pressure
bar (b)

1.0E+5
kg/m*sec2(PA)
1.0E+6
g/cm*sec2

Category

Unit

Formula

In SI

SI Unit

In CGS

CGS Unit
Pressure
centimeter mercury(cmHg)
atmosphere/76
1333.0
kg/m*sec2(PA)
13330.0
g/cm*sec2
Pressure
inch mercury (in Hg)
.03342*atmosphere
3386.28
kg/m*sec2(PA)
33862.8
g/cm*sec2
Pressure
inch of water (in WC)
.07355*inch_mercury
249.061
kg/m*sec2(PA)
2490.61
g/cm*sec2
Pressure
millimeter of mercury (mm Hg)

133.322368421
kg/m*sec2(PA)
1333.22368421
g/cm*sec2
Pressure
pound per square inch (psi)

6894.75729316836
kg/m*sec2(PA)
68947.5729316836
g/cm*sec2
Radioactivity
becquerel (Bq)

1.0
sec-1
1.0
sec-1
Radioactivity
curie (Ci)
37*gigabecquerel
3.7E+10
sec-1
3.7E+10
sec-1
Speed
kilometer per hour (km/h)

0.277778
m/sec
27.7778
cm/sec
Speed
knot(kn or kt)
nautical_mile/hour
0.514444
m/sec
51.4444
cm/sec
Speed
mach (ma)

331.0
m/sec
33100.0
cm/sec
Speed
mile per hour (mph)
mile/hour
0.447028
m/sec
44.7028
cm/sec
Time_interval
biweek payroll (bwp)
10*day_payroll
288000.0
sec
288000.0
sec
Time_interval
day payroll(da)
8*hour
28800.0
sec
28800.0
sec
Time_interval
day(d)
24*hour
86400.0
sec
86400.0
sec
Time_interval
hour (hr)

3600.0
sec
3600.0
sec
Time_interval
month(mo or mon)
year/12
2629743.0
sec
2629743.0
sec
Time_interval
year (a or y or yr)
365.2422*day
3.15569E+7
sec
3.15569E+7
sec
Time_interval
year payroll (yp)
261*day_payroll
7516800.0
sec
7516800.0
sec
Time_interval
year payroll academic (ypa)
195*day_payroll
5616000.0
sec
5616000.0
sec
Time_interval
year short (ye)
365*day
31536000.0
sec
31536000.0
sec

Category

Unit

Formula

In SI

SI Unit

In CGS

CGS Unit
Time_interval_units
bi weeks per year (bwpy)

26.1
units
26.1
units
Volume
barrel dry (bbl)
7056*I3
0.115627
m3
115627.0
cm3
Volume
barrel fluid (bbl)
31.5*gallon
0.11924
m3
119240.0
cm3
Volume
barrel oil (bo)
42*gallon
0.158987
m3
158987.0
cm3
Volume
bushel dry (bu)

0.0352381
m3
35238.1
cm3
Volume
cord (cd) (USA)
4feet*8feet*4feet
3.6247
m3
3.6247E+6
cm3
Volume
cord foot (cd ft)
4feet*1foot*4feet
0.4531
m3
453100.0
cm3
Volume
cubic centimeter (cm3 or cc)
cm*cm*cm
1.0E-6
m3
1.0
cm3
Volume
cubic foot (f3)
f*f*f
0.0283168
m3
28316.8
cm3
Volume
cubic inch (in3 or cu in)
inch*inch*inch
1.63871E-5
m3
16.3871
cm3
Volume
cubic kilometer (km3)
km*km*km
1.0E+9
m3
1.0E+15
cm3
Volume
cubic millimeter (mm3)
mm*mm*mm
1.0E-9
m3
1.0E-3
cm3
Volume
cup (c )
8*ounce_fluid
0.000236587
m3
236.587
cm3
Volume
dram fluid (dr)
ounce_fluid/8
3.69668E-6
m3
3.69668
cm3
Volume
drop (gtt)
tsp/60
8.33333E-8
m3
0.0833333
cm3
Volume
gallon (gal)
231*cubic_inch
0.0037854
m3
3785.4
cm3
Volume
gallon (gal) (Imperial)
1.20095 * gallon & 1.03206 * gallon dry
4.54609E-3
m3
4.54609E+3
cm3
Volume
gallon dry (gal)
268.8025*cubic_inch
0.004404884
m3
4404.884
cm3
Volume
gill (gi)
4*ounce_fluid
1.182941E-04
m3
1.182941E+2
cm3
Volume
gill (gi) (Imperial)
5*ounce_fluid
1.420653E-4
m3
1.420653E+2
cm3

Category

Unit

Formula

In SI

SI Unit

In CGS

CGS Unit
Volume
liter (lt)

0.001
m3
1000.0
cm3
Volume
ounce fluid (floz)
gal/4/32
2.95734E-5
m3
29.5734
cm3
Volume
ounce_fluid (floz) (Imperial)
gal/4/32
2.8413063E-5
m3
28.413063
cm3
Volume
peck UK (pk)

0.00909219858976
m3
9092.19858976
cm3
Volume
peck US (pk)
8*quart_dry
0.00880969
m3
8809.69
cm3
Volume
pint (pt)
4732E-7
0.0004732
m3
473.2
cm3
Volume
pint (pt) (Imperial)

0.00056826126
m3
568.26126
cm3
Volume
pint (pt) (Scotland)
1.491*imperial_quart
0.001695
m3
1695
cm3
Volume
pint dry (pt)
5506E-7
0.0005506
m3
550.6
cm3
Volume
quart (qt) (Imperial)

0.0011365225
m3
1136.5225
cm3
Volume
quart dry (qt)
67.2*i3
0.00110121
m3
1101.21
cm3
Volume
quart fluid (qt)
gallon/4
0.00094635
m3
946.35
cm3
Volume
stere (st)

1.0
m3
1000000.0
cm3
Volume
tablespoonful (tbsp)
.015*liter
1.5E-5
m3
15.0
cm3
Volume
teaspoonful (tsp)
liter/200
5E-6
m3
5.0
cm3

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