Current Converter

Convert electric current between amperes, milliamperes, microamperes, kiloamperes, and abamperes.

Convert instantly

Enter a value and choose the units. Your answer updates as you type.

Value

From

Result

1000 Milliampere (mA)

Quick reference

Ampere (A)1 base units
Milliampere (mA)0.001 base units
Microampere (µA)0.000001 base units
Nanoampere (nA)1e-9 base units
Kiloampere (kA)1000 base units
Abampere (abA)10 base units

About the Current Converter

Electric current is charge per time and is fundamental to circuit design, instrument ranges, battery sizing, and power calculations. The converter uses Ampere (A) as its SI reference and retains full factor precision while you work, which avoids mixing dimensional prefixes or customary units in technical calculations.

Enter a value to see an immediate result—for example, 1 Milliampere (mA) equals 0.001 Ampere (A). For adjacent calculations, the Charge Converter and Electric Resistance Converter provide complementary dimensional checks.

Frequently asked questions

What is the SI reference for current?

This page uses Ampere (A) as the base unit, so every listed factor is a multiplier to that SI quantity.

When is a current useful?

Electric current is charge per time and is fundamental to circuit design, instrument ranges, battery sizing, and power calculations.

Are these current factors exact?

SI prefixes and defined international units are represented with their standard factors; customary and CGS values are shown to the precision of their published definitions.

Take this calculation further

Browse the converters calculators collection for more tools in this subject.

For a related calculation, use Linear Current Density Converter to convert line current density between A/m, mA/m, µA/m, A/cm, and A/ft. Alternatively, use Volume Charge Density Converter to convert volume charge density between C/m³, mC/m³, µC/cm³, C/cm³, and C/ft³.

For the underlying method, read Ohm's Law and Electrical Units Explained.