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Amperes to Milliamperes conversion

Amperes to Milliamperes conversion table

Amperes (A)Milliamperes (mA)
00
11000
22000
33000
44000
55000
66000
77000
88000
99000
1010000
2020000
3030000
4040000
5050000
6060000
7070000
8080000
9090000
100100000
10001000000

How to convert amperes to milliamperes?

Amperes (A) is a unit of electric current in the International System of Units (SI). One Ampere is defined as one Coulomb of charge passing through a point in a circuit per second. Milliamperes (mA) are simply one-thousandth of an ampere, where the prefix "milli" represents a factor of 10^-3.

Converting Amperes to Milliamperes

To convert amperes to milliamperes, you multiply by 1,000, because there are 1,000 milliamperes in an ampere.

Example Conversion: 1 A = 1 A * 1,000 mA/A = 1,000 mA

So, 1 Ampere is equal to 1,000 Milliamperes.

Real-World Examples for Other Quantities of Amperes

  1. USB Charging Port:

    • A standard USB port typically provides 0.5 Amperes (A).
    • In milliamperes: 0.5 A * 1,000 mA/A = 500 mA

  2. Smartphone Charger:

    • A typical smartphone charger might provide 2 Amperes (A).
    • In milliamperes: 2 A * 1,000 mA/A = 2,000 mA

  3. LED Bulb:

    • A single LED bulb might draw around 0.02 Amperes (A).
    • In milliamperes: 0.02 A * 1,000 mA/A = 20 mA

  4. Laptop Charger:

    • A laptop charger can often provide about 3.25 Amperes (A).
    • In milliamperes: 3.25 A * 1,000 mA/A = 3,250 mA

  5. Electric Car Charging Station:

    • A charging station for an electric car might provide 32 Amperes (A).
    • In milliamperes: 32 A * 1,000 mA/A = 32,000 mA

  6. Household Electric Appliances:

    • A typical electric iron might use around 10 Amperes (A).
    • In milliamperes: 10 A * 1,000 mA/A = 10,000 mA

Understanding the relationship between amperes and milliamperes helps in selecting the right components and ensuring the safe operation of electrical devices.

See below section for step by step unit conversion with formulas and explanations. Please refer to the table below for a list of all the Milliamperes to other unit conversions.

What is amperes?

Amperes, commonly referred to as amps (A), is the unit of measurement for electric current in the International System of Units (SI). It quantifies the rate at which electric charge flows through a conductor. In essence, it measures how much electricity is flowing.

The term "ampere" was named after French mathematician and physicist André-Marie Ampère (1775-1836), who first described the relationship between electric currents and magnetic fields, known as Ampère's Law. The ampere is defined as one coulomb per second:

1 A = 1 C/s

In simpler terms, if a wire carries 1 ampere of current, it means that 1 coulomb (a unit of electric charge) flows through the wire in 1 second.

Amps are used to measure and express the flow rate of electric currents in various applications:

  • Household electricity: Typically measured in amperes when discussing electrical loads.
  • Power supplies: Specify their output in amps to indicate how much current they provide.
  • Electrical wiring: Measured in amperes to determine the capacity of a wire or cable.

For example, if you have an electric hair dryer that uses 2.5 amps, it means that your home's electrical system must be capable of providing at least 2.5 amperes of current for the dryer to operate safely and efficiently.

What is milliamperes?

A milliamper (mA) is a unit of measurement for electric current. It represents one-thousandth of an ampere (A), which is the standard unit of measurement for electric current.

One ampere (1 A) is equal to 1 coulomb per second, so one milliamper (0.001 A or 1 mA) is equal to 0.000001 coulombs per second.

In practical terms, a milliampere is a relatively small amount of electric current, but it's still significant enough to be useful for many applications. For example:

  • The human heart beats at around 100-120 milliamperes (mA).
  • A low-wattage light bulb might draw around 1-2 mA.
  • Many electronic devices, such as smartphones and laptops, have power supplies that can deliver several hundred milliamps.

Milliampere is a useful unit of measurement for electric current because it's small enough to be easily measured with standard equipment, yet large enough to be relevant for many practical applications.

Complete Amperes conversion table

Enter # of Amperes
Convert 1 A to other unitsResult
Amperes to Milliamperes (A to mA)1000
Amperes to Kiloamperes (A to kA)0.001

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