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... Attoampere = ... Ampere

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Attoampere to Ampere Converter

Use this page to convert attoampere values into ampere, with background details, formulas, a worked example, and a quick conversion table.

Conversion formula

1 aA = 1e-18 A

1 A = 1,000,000,000,000,000,000 aA

Example: 1 aA = 1e-18 A

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Attoampere

One attoampere is equal to one quintillionth of an ampere (1e-18 amperes).

History: Attoampere currents are associated with single-particle and ultra-sensitive charge measurements.

Current use: Used for advanced metrology, single-electron devices, detector physics, and theoretical references.

Also written as aA.

Ampere

Ampere measures electric charge flow per second.

History: The ampere is an SI base unit named after Andre-Marie Ampere.

Current use: Used in circuits, electronics, electrical systems, motors, power supplies, and instrumentation.

Also written as A, amp, amps.

Attoampere to Ampere table

Attoampere [aA]Ampere [A]
0.01 aA1e-20 A
0.1 aA1e-19 A
1 aA1e-18 A
2 aA2e-18 A
5 aA5e-18 A
10 aA1e-17 A
20 aA2e-17 A
50 aA5e-17 A
100 aA1e-16 A