Electrical Current Conversion Calculator
Convert between amperes, milliamperes, kiloamperes and other current units with our accurate online converter
Current Converter
Convert between common electrical current units
Understanding Electrical Current Conversion
Electrical current measurement is essential across numerous fields including electrical engineering, electronics, and physics. Our current converter helps professionals and students quickly convert between different units of electric current.
What is Electric Current?
Electric current is the flow of electric charge, measured in amperes (A). It represents the rate at which electric charge flows past a point in a circuit. One ampere equals one coulomb of charge passing per second.
Common Current Units and Their Applications
- Amperes (A) – The SI base unit of electric current. Used for most electrical measurements.
- Milliamperes (mA) – Equal to 1/1000 of an ampere. Commonly used in electronics and small devices.
- Kiloamperes (kA) – Equal to 1000 amperes. Used for high-current applications like power transmission.
- Microamperes (μA) – Equal to 1/1,000,000 of an ampere. Used for very small currents in sensitive electronics.
Conversion Formulas
Our converter uses precise conversion factors to ensure accurate results:
- 1 Ampere (A) = 1000 Milliamperes (mA)
- 1 Ampere (A) = 0.001 Kiloamperes (kA)
- 1 Ampere (A) = 1,000,000 Microamperes (μA)
- 1 Milliampere (mA) = 0.001 Amperes (A)
- 1 Kiloampere (kA) = 1000 Amperes (A)
Practical Applications of Current Conversion
Current conversion is essential in various scenarios:
- Circuit Design – Converting between units when working with components that have different current ratings
- Power Systems – Converting between A and kA for transmission line calculations
- Electronics – Converting between A, mA and μA for integrated circuits and sensors
- Education – Helping students understand the relationships between different current units
Electrical Current Reference Values
| Application | Typical Current | Units |
|---|---|---|
| Integrated circuits | 0.000001 – 0.01 | A (1μA – 10mA) |
| LED indicators | 0.01 – 0.03 | A (10-30mA) |
| Mobile phone charging | 1 – 2 | A |
| Household outlet | 15 – 20 | A |
| Electric vehicle charging | 32 – 80 | A |
| Industrial equipment | 100 – 500 | A |
| Power transmission lines | 100 – 2000 | A (0.1-2kA) |
| Lightning strike | 10,000 – 200,000 | A (10-200kA) |
Safety Considerations
Understanding current measurements is crucial for electrical safety:
- 1mA – Threshold of perception (tingling sensation)
- 5-10mA – Painful shock, muscle control loss
- 50-100mA – Ventricular fibrillation, possibly fatal
- 100-200mA – Certain ventricular fibrillation, fatal
- >200mA – Severe burns, cardiac arrest, likely fatal
Frequently Asked Questions
Electric current is the flow of electric charge, measured in amperes (A). It represents how many electrons pass through a point per second in an electrical circuit.
Divide milliamps by 1000 to get amps. For example, 500 mA equals 0.5 A.
mA (milliampere) is 1/1000 of an ampere. 1000 mA equals 1 A.
Kiloamperes (kA) are used for very high current applications like industrial power systems, circuit breakers, and lightning strikes.
Microchips use μA, mobile devices use mA, household circuits use A, and industrial equipment uses kA.
No, voltage is electrical pressure (volts), while current is flow rate (amps). They’re related by Ohm’s Law: Current = Voltage / Resistance.
Divide microamps by 1000 to get milliamps. For example, 5000 μA equals 5 mA.
An ammeter measures current. Multimeters can measure current, voltage, and resistance.
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