Ampere to Milliampere Converter
Convert Amperes to Milliamperes
Quick Conversions
How to Convert Amperes to Milliamperes
To convert from amperes (A) to milliamperes (mA), you multiply the current in amperes by 1,000. For more information about amperes as a unit of measurement, visit our amperes page.
Formula
Milliamperes = Amperes × 1,000
or
mA = A × 1,000
Examples
- 0.001 A = 0.001 × 1,000 = 1 mA
- 0.01 A = 0.01 × 1,000 = 10 mA
- 0.1 A = 0.1 × 1,000 = 100 mA
- 1 A = 1 × 1,000 = 1,000 mA
When to Convert Amperes to Milliamperes
This conversion is useful in electronics, especially when dealing with low-power circuits or sensitive measurement equipment.
Sensor Technology
Many sensors operate with very small currents, making milliamperes a practical unit for their specifications.
Medical Devices
In medical devices, precise control and measurement of small currents are crucial, often expressed in milliamperes.
Common Amperes to Milliamperes Conversions
Here is a table of common conversions for quick reference:
| Amperes (A) | Milliamperes (mA) | Amperes (A) | Milliamperes (mA) |
|---|---|---|---|
| 0.001 | 1 | 1 | 1,000 |
| 0.002 | 2 | 2 | 2,000 |
| 0.005 | 5 | 5 | 5,000 |
| 0.01 | 10 | 10 | 10,000 |
| 0.02 | 20 | 20 | 20,000 |
| 0.05 | 50 | 50 | 50,000 |
| 0.1 | 100 | 100 | 100,000 |
Frequently Asked Questions
What is an ampere (A)?
The ampere is the SI base unit of electric current, defined as the constant current that, if maintained in two straight parallel conductors of infinite length, of negligible circular cross-section, and placed one meter apart in vacuum, would produce between these conductors a force equal to 2 × 10⁻⁷ newtons per meter of length.
What is a milliampere (mA)?
A milliampere is a unit of electric current equal to one thousandth (10⁻³) of an ampere. It is commonly used for smaller currents.
How do I convert milliamperes to amperes?
To convert from milliamperes to amperes, you divide the current in milliamperes by 1,000. For example, 1,000 mA is equal to 1,000 / 1,000 = 1 A.