Menu
Buy me a coffeePayPal
OmniTools
Omni News

Convert between electric current units instantly with our free online converter.

Unit Categories

Currency
Time Zone
Length & Distance
Weight & Mass
Temperature
Area
Volume
Time
Speed
Pressure
Power
Energy
Force
Salary & Paycheck
Digital Storage
Frequency
Illuminance
Typography
Image Resolution
Angle
Electric Current
Fuel Consumption
Shoe Size
Clothing Size

Electric Current Converter

Free Electric Current Converter, Convert Amperes, Milliamperes, Microamperes & Kiloamperes

Convert electric current between any units instantly with OmniConverter's free online electric current converter. 1 ampere equals 1,000 milliamperes, and 1 milliampere equals 1,000 microamperes. Supports amperes, milliamperes, microamperes, kiloamperes, and megaamperes. Whether you're working on electronics, battery management, or circuit design, our tool delivers precise current conversions in real time.

How It Works

Convert in three simple steps.

1

Enter the Electric Current Value

2

Select Source and Target Current Units

3

View Your Converted Current Reading

Popular Electric Current Conversions

Amperes to MilliamperesMilliamperes to AmperesAmperes to MicroamperesMicroamperes to AmperesMilliamperes to MicroamperesMicroamperes to MilliamperesAmperes to KiloamperesKiloamperes to AmperesKiloamperes to MegaamperesMegaamperes to KiloamperesAmperes to MegaamperesMegaamperes to AmperesMilliamperes to KiloamperesKiloamperes to MilliamperesMegaamperes to MilliamperesMilliamperes to MegaamperesMicroamperes to KiloamperesKiloamperes to Microamperes

Common Benchmarks

Reference

1 A → A

1 A

Reference

1 A → mA

1000 mA

Reference

1 A → µA

1000000 µA

Reference

1 A → kA

0.001 kA

Reference

1 A → MA

0.000001 MA

Real-World Use Cases

Electric current conversion is used in electronics and circuit design (LED current, transistor bias), battery and power bank specifications (mAh relates to mA × hours), USB and device charging standards (USB 2.0 = 500 mA, USB-C PD = up to 5 A), sensor and instrumentation (μA-level signals in precision measurement), electrical safety (tripping currents for circuit breakers), and industrial power systems (kA fault current calculations).

Embed this converter on your site

Free, responsive, no sign-up required. Just paste a snippet.

Get Embed Code

Frequently asked questions

Quick answers to common conversion questions

What is an ampere?+

An ampere is the SI unit of electric current.

How do I convert milliamps to amps?+

Divide milliamps by 1,000 to get amps.

What is a microampere?+

A microampere is one-millionth of an ampere.

How do I convert kiloamps to amps?+

Multiply kiloamps by 1,000.

Why are current units so small?+

Different electronics ranges require units from microamps up to kiloamps.

Can I convert megaamps to amps?+

Yes. Multiply megaamps by 1,000,000.

What is the standard unit in electrical engineering?+

Amperes are the SI base unit for electric current.

How do I compare household current to high-current systems?+

Using kiloamps and milliamps makes those comparisons easier.

Are current conversions exact?+

Yes, because each unit is defined by a fixed multiplier.

What does mA stand for?+

mA stands for milliampere, which is one-thousandth of an ampere.

Latest Blog Posts

Tips, guides, and insights about unit conversions

View all posts

Quick Answer: Electric Current Converter

Convert electric current instantly — enter any value and get all units at once. Common electric current conversions include milliamperes to amperes (1000 mA = 1 A), microamperes to milliamperes (1000 µA = 1 mA), and kiloamperes to amperes (1 kA = 1000 A). Electric current conversion is essential for electronics design, electrical engineering, battery capacity planning, circuit breaker selection, and solar power system sizing.

How the Electric Current Converter Works

Our electric current converter converts between amperes and its multiples, from microamperes in sensitive electronics to kiloamperes in industrial power systems, using precise SI conversion factors.

Formula & Sources

Ampere is SI base unit (since 2019: elementary charge 1.602176634e-19 C). Prefixes are exact powers of 10.

Worked Example

Example: 500 mA = 0.5 A = 500,000 µA. 2 A charger at 5 V = 10 W power.

Common Electric Current Conversions

Common electric current conversions include milliamperes to amperes (1000 mA = 1 A), microamperes to milliamperes (1000 µA = 1 mA), and kiloamperes to amperes (1 kA = 1000 A). A typical smartphone charger draws 1-2 A; household circuits carry 15-20 A.

When to Use Electric Current Conversion

Electric current conversion is essential for electronics design, electrical engineering, battery capacity planning, circuit breaker selection, and solar power system sizing.

Accuracy & Common Mistakes

All factors are stored unrounded and computed in double precision. We avoid cumulative rounding by converting via a base unit. Always verify critical results with a second source for safety-critical tasks.

Frequently Asked Questions

How many mA is 1 A?

1 ampere = 1,000 milliamperes. 500 mA = 0.5 A.

What current is a phone charger?

Commonly 1–2 A at 5 V (5–10 W). Fast chargers use higher voltage.

Is ampere the same as watt?

No. Ampere is current; watt is power (watts = amps × volts).

Popular Electric Current comparisons

Jump directly to a side-by-side comparison — no typing needed. Also discoverable via search.

Ampere → Milliampere→Ampere → Microampere→Ampere → Kiloampere→Ampere → Megaampere→Milliampere → Microampere→Milliampere → Kiloampere→
View all comparisons

People Also Ask