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Fundamental Constant
Interactive Calculator

electron charge, e
=
coulombs, C

10 pC (read as 10 pico coulombs) = 10e-12 coulombs, C

In high voltage (115 kV as an example) transformer and circuit breakers partial discharge are measured in pico coulombs, pC. Understanding this measurement is important in reading factory test report.

ampere-hr, Ah
=
coulombs, C

1 Ampere = 1 coulomb / sec; 1 coulomb = 16 x 1018 electron charge
it means 16 quintillion of electron charge is being transported per second.
16 quintillion = 16,000,000,000,000,000,000

Faraday constant, F

= coulombs / mol

gas constant ,

= J / (kmol*K)

gas constant ,

= kPa*m3 / (kmol*K)

gas constant ,

= ft-lbf / (lb mole - 0R)

gas constant ,

= L-atm / (mole-K)

gravity accel. , g

= m / sec2

gravity accel. , g

= ft / sec2

molar volume , Vm

= L / kmol

speed of light , c

= m/s

speed of light , c

= km/s


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