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Characteristic

atomic-unit-of-electric-potential

Notes

Metric (SI) Equivalent

27.21138505 volts

Other Metric (SI) Equivalents with More Basic Units

27.21138505 joules / coulomb

27.21138505 meter2 kilograms / ampere second3

Standard Uncertainty

± 6×10-7 volts

Metric (SI) Dimensions

length2 × mass × time-3 × electric-current-1

These are the dimensions of the "electric potential" quantity in SI units. There are other unit systems used in electromagnetics that may assign different dimensions.

Quantity

Electric Potential, Potential Difference, and Electromotive Force