Convert amperes to milliamperes
1 A = 1000 mA — exactly. Both units are defined against the SI, so this factor is a fraction, not an approximation.
1000mA
1 A = 1000 mA
How to convert amperes to milliamperes
Multiply the number of amperes by 1000 to get milliamperes.
The exact factor is 1000 .
Ampere to Milliampere conversion table
| Amperes (A) | Milliamperes (mA) |
|---|---|
| 1 A | 1000 |
| 2 A | 2000 |
| 3 A | 3000 |
| 5 A | 5000 |
| 10 A | 10 000 |
| 20 A | 20 000 |
| 25 A | 25 000 |
| 50 A | 50 000 |
| 100 A | 100 000 |
| 250 A | 250 000 |
| 500 A | 500 000 |
| 1000 A | 1 000 000 |
Milliampere to Ampere conversion table
| Milliamperes (mA) | Amperes (A) |
|---|---|
| 1 mA | 0.001 |
| 2 mA | 0.002 |
| 3 mA | 0.003 |
| 5 mA | 0.005 |
| 10 mA | 0.01 |
| 20 mA | 0.02 |
| 25 mA | 0.025 |
| 50 mA | 0.05 |
| 100 mA | 0.1 |
| 250 mA | 0.25 |
| 500 mA | 0.5 |
| 1000 mA | 1 |
Frequently asked
How many milliamperes are in a ampere?
One ampere equals 1000 milliamperes (A → mA). That figure is exact, not rounded.
How do you convert amperes to milliamperes?
Multiply the number of amperes by 1000 to get milliamperes.
What is 1 mA in amperes?
One milliampere is 0.001 amperes.
What is 10 A in mA?
10 A = 10 000 mA.