SI Unit Conversion Table General Information

  • SI Basic Unit
  • Quantity as a Reference of SI Unit
  • Basic Unit Provided with Unique Name and Symbol (Extracted)
QuantityNameSymbolQuantityNameSymbol
LengthMetermFrequencyHertzHz
MassKilogramkgForceNewtonN
TimeSecondsPressure and StressPascalPa
CurrentAmpereAEnergy, Work, and CalorieJouleJ
TemperatureKelvinKPower and EfficiencyWattW
Quantity of SubstanceMolmolVoltageVoltV
Luminous IntensityCandelacdResistanceOhmΩ
  • SI Prefix
  • Prefix Showing Integral Power of 10 Combined with SI Unit
CoefficientNameSymbolCoefficientNameSymbolCoefficientNameSymbol
10 24YotaY10 3Kilok10 -9Nanon
10 21ZetaZ10 2Hectoh10 -12Picop
10 18ExaE10 1Decada10 -15Femtof
10 15PetaP10 -1Decid10 -18Attoa
10 12TeraT10 -2Centic10 -21Zeptoz
10 9GigaG10 -3Millim10 -24Yoctoy
10 6MegaM10 -6Microμ
  • Principal SI Unit Conversion List( colored portions are SI units)
  • Force
  • Stress
NkgfPa (N/m 2)MPa (N/mm 2)kgf/mm 2kgf/cm 2kgf/m 2
11.01972×10 -111×10 -61.01972×10 -71.01972×10 -51.01972×10 -1
9.8066511×10 611.01972×10 -11.01972×101.01972×10 5
9.80665×10 69.8066511×10 21×10 6
9.80665×10 49.80665×10 -21×10 -211×10 4
9.806659.80665×10 -61×10 -61×10 -41
● Pressure1Pa =1N/m 2, 1MPa =1N/mm 2
Pa (N/m 2)kPaMPaGPabarkgf/cm 2mmHg or Torr
11×10 -31×10 -61×10 -91×10 -51.01972×10 -57.50062×10 -3
1×10 311×10 -31×10 -61×10 -21.01972×10 -27.50062
1×10 61×10 311×10 -31×101.01972×107.50062×10 3
1×10 91×10 61×10 311×10 41.01972×10 47.50062×10 6
1×10 51×10 21×10 -11×10 -411.019727.50062×10 2
9.80665×10 49.80665×109.80665×10 -29.80665×10 -59.80665×10 -117.35559×10 2
1.33322×10 21.33322×10 -11.33322×10 -41.33322×10 -71.33322×10 -31.35951×10 ‒ 31
●Work / Energy/Calorie1Pa =1N/m 2
JkW・hkgf・mkcal
12.77778×10 -71.01972×10 -12.38889×10 -4
3.60000×10 613.67098×10 58.60000×10 2
9.806652.72407×10 -612.34270×10 -3
4.18605×10 31.16279×10 -34.26858×10 21
● Power(Efficiencyand Motive Energy)/ Thermal Flow 1J =1W・s,1J =1N・m
Wkgf・m/sPSkcal/h
11.01972×10 -11.35962×10 -38.60000×10 -1
1×10 31.01972×10 21.359628.60000×10 2
9.8066511.33333×10 -28.43371
7.355×10 27.5×1016.32529×10 2
1.162791.18572×10 -11.58095×10 -31
●Specific Heat●Thermal Conductivity1W =1J/s, PS:Horsepower●RotatingSpeed
J/(kg・K)1kcal (kg・°C)cal/ (g・°C)W/(m・K)kcal/(h・m・°C)min -1rpm
12.38889×10 -418.60000×10 -111
4.18605×10 311.1627911min -1=1rpm