Megaampere to Milliampere Converter

Electric Current Converter

11 units available

Decimals:

From

To

1,000,000,000

1 MA = 1,000,000,000 mA

Formula:

mA = MA × 1.000000e+9

With your value: 1 MA = 1,000,000,000 mA

Other Megaampere to Milliampere conversions

2 MA to mA 3 MA to mA 4 MA to mA 5 MA to mA 6 MA to mA 7 MA to mA 8 MA to mA

Megaampere to Milliampere Conversion Table

Megaampere (MA)	Milliampere (mA)
0.5	500,000,000
1	1,000,000,000
2	2,000,000,000
5	5,000,000,000
10	10,000,000,000
15	15,000,000,000
20	20,000,000,000
25	25,000,000,000
50	50,000,000,000
100	100,000,000,000
250	250,000,000,000
500	500,000,000,000
1000	1.000000e+12

Milliampere to Megaampere Conversion Table

Milliampere (mA)	Megaampere (MA)
0.5	5.000000e-10
1	1.000000e-9
2	2.000000e-9
5	5.000000e-9
10	1.000000e-8
15	1.500000e-8
20	2.000000e-8
25	2.500000e-8
50	5.000000e-8
100	1.000000e-7
250	2.500000e-7
500	5.000000e-7
1000	1.000000e-6

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.

Megaampere (MA)

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

Milliampere (mA)

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 Megaampere to Milliampere

To convert from Megaampere (MA) to Milliampere (mA), multiply the value by 1,000,000,000.

Formula: mA = MA × 1.000000e+9

Reverse: MA = mA × 1.000000e-9

Step-by-Step Example

Start with your value in Megaampere. For example: 5 MA
Multiply by the conversion factor: 5 x 1,000,000,000
The result is: 5,000,000,000 mA

About Megaampere

The megaampere (MA) is a unit of electric current. One megaampere equals 1.000000 × 10^+6 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.

About Milliampere

The milliampere (mA) is a unit of electric current. One milliampere equals 0.001 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 Milliampere are in 1 Megaampere?

There are exactly 1,000,000,000 Milliampere in 1 Megaampere. This means the conversion factor from Megaampere to Milliampere is 1,000,000,000.

What is the formula to convert Megaampere to Milliampere?

The formula to convert Megaampere to Milliampere is: mA = MA × 1.000000e+9. For example, to convert 10 Megaampere to Milliampere, you would multiply 10 by 1,000,000,000.

What is a Megaampere?