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... Femtoampere = ... Ampere

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Femtoampere to Ampere Converter

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

Conversion formula

1 fA = 1e-15 A

1 A = 1,000,000,000,000,000 fA

Example: 1 fA = 1e-15 A

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Femtoampere

One femtoampere is equal to one quadrillionth of an ampere (1e-15 amperes).

History: Femtoampere measurements became practical with very low-noise electrometers and ion-current instruments.

Current use: Used for ion beams, detector leakage, nanopore sensing, and ultra-low-current instrumentation.

Also written as fA.

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.

Femtoampere to Ampere table

Femtoampere [fA]Ampere [A]
0.01 fA1e-17 A
0.1 fA1e-16 A
1 fA1e-15 A
2 fA2e-15 A
5 fA5e-15 A
10 fA1e-14 A
20 fA2e-14 A
50 fA5e-14 A
100 fA1e-13 A