Ampere to Picoampere Converter

Electric Current Converter

11 units available

Decimals:

From

To

1.000000e+12

1 A = 1.000000e+12 pA

Formula:

pA = A × 1.000000e+12

With your value: 1 A = 1.000000e+12 pA

Other Ampere to Picoampere conversions

2 A to pA 3 A to pA 4 A to pA 5 A to pA 6 A to pA 7 A to pA 8 A to pA

Ampere to Picoampere Conversion Table

Ampere (A)	Picoampere (pA)
0.5	500,000,000,000
1	1.000000e+12
2	2.000000e+12
5	5.000000e+12
10	1.000000e+13
15	1.500000e+13
20	2.000000e+13
25	2.500000e+13
50	5.000000e+13
100	1.000000e+14
250	2.500000e+14
500	5.000000e+14
1000	1.000000e+15

Picoampere to Ampere Conversion Table

Picoampere (pA)	Ampere (A)
0.5	5.000000e-13
1	1.000000e-12
2	2.000000e-12
5	5.000000e-12
10	1.000000e-11
15	1.500000e-11
20	2.000000e-11
25	2.500000e-11
50	5.000000e-11
100	1.000000e-10
250	2.500000e-10
500	5.000000e-10
1000	1.000000e-9

Where these values come from

Every factor on this page is traced to the document that defines it. See the full provenance dataset or our methodology.

Ampere (A)

Electric Current

SI definition

Traceable to the ampere, defined by fixing the elementary charge at 1.602 176 634 × 10⁻¹⁹ C.

Source: BIPM, The International System of Units (SI), 9th edition, 2019 (updated 2024)

Bureau International des Poids et Mesures · Reviewed 2026-07-01

Picoampere (pA)

Electric Current

SI definition

Traceable to the ampere, defined by fixing the elementary charge at 1.602 176 634 × 10⁻¹⁹ C.

Source: BIPM, The International System of Units (SI), 9th edition, 2019 (updated 2024)

Bureau International des Poids et Mesures · Reviewed 2026-07-01

How to Convert Ampere to Picoampere

To convert from Ampere (A) to Picoampere (pA), multiply the value by 1.000000e+12.

Formula: pA = A × 1.000000e+12

Reverse: A = pA × 1.000000e-12

Step-by-Step Example

Start with your value in Ampere. For example: 5 A
Multiply by the conversion factor: 5 x 1.000000e+12
The result is: 5.000000e+12 pA

About Ampere

The ampere (A) is a unit of electric current. One ampere equals 1 ampere. UnitConvertLab converts it against every other electric current unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.

Common uses: electric current calculations, engineering and science, education.

About Picoampere

The picoampere (pA) is a unit of electric current. One picoampere equals 1.000000 × 10^-12 amperes. UnitConvertLab converts it against every other electric current unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.

Common uses: electric current calculations, engineering and science, education.

Frequently Asked Questions

How many Picoampere are in 1 Ampere?

There are exactly 1.000000e+12 Picoampere in 1 Ampere. This means the conversion factor from Ampere to Picoampere is 1.000000e+12.

What is the formula to convert Ampere to Picoampere?

The formula to convert Ampere to Picoampere is: pA = A × 1.000000e+12. For example, to convert 10 Ampere to Picoampere, you would multiply 10 by 1.000000e+12.

What is a Ampere?