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
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1 A = 1000 mA
Show this value in all 9 electric current units
- Kiloamperes kA 0.001
- Amperes A 1
- Milliamperes mA 1000
- Microamperes µA 1 000 000
- Nanoamperes nA 1 000 000 000
- Picoamperes pA 1 000 000 000 000
- Abamperes abA 0.1
- Statamperes statA 29 979 245.8
- Coulomb per seconds C/s 1
Every row is Ampere (A) converted through the ampere, in exact rational arithmetic.
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.