How do you convert ampere to milliampere?
To convert ampere to milliampere, multiply the ampere value by 1,000. One A is equal to 1,000 mA.
Milliampere = Ampere × 1,000
Ampere to Milliampere conversion table
| Ampere | Milliampere |
|---|---|
| 0.1 A | 100 mA |
| 0.5 A | 500 mA |
| 1 A | 1,000 mA |
| 2 A | 2,000 mA |
| 5 A | 5,000 mA |
| 10 A | 10,000 mA |
| 20 A | 20,000 mA |
What is Ampere?
The ampere is the SI base unit of electric current.
Short history of Ampere
It became one of the core electrical standards used to quantify charge flow in circuits and systems.
Open the Ampere unit guideWhat is Milliampere?
The milliampere is a small current unit equal to one thousandth of an ampere.
Short history of Milliampere
It became especially important in electronics and instrumentation where current levels are far below one ampere.
Open the Milliampere unit guideFrequently asked questions
How precise are the results?
Conversion results are calculated to 12 significant figures. Very large or very small values are shown in scientific notation.
Is the Ampere to Milliampere converter free?
Yes. The conversion tool on BirimCeviri.app is free and requires no sign-up.
Sources
The definitions and conversion relationships on this page are aligned with standard metrology and SI reference material.