Convert Ampere to Milliampere
1,000
Use the conversion factor 1 A = 1000 mA. To convert Ampere to Milliampere, multiply the input value by 1000.
Conversion Formula
mA = A × 1000
Reverse: A = mA × 0.001
Conversion Examples
1 A × 1,000 =
1,000 mA
1 Amperes = 1,000 Milliamperes
5 A × 1,000 =
5,000 mA
5 Amperes = 5,000 Milliamperes
10 A × 1,000 =
10,000 mA
10 Amperes = 10,000 Milliamperes
25 A × 1,000 =
25,000 mA
25 Amperes = 25,000 Milliamperes
50 A × 1,000 =
50,000 mA
50 Amperes = 50,000 Milliamperes
100 A × 1,000 =
100,000 mA
100 Amperes = 100,000 Milliamperes
Ampere to Milliampere Table
A =—mA
| Ampere (A) | Milliampere (mA) | Fraction |
|---|---|---|
| 1 | 1,000 | — |
| 2 | 2,000 | — |
| 3 | 3,000 | — |
| 4 | 4,000 | — |
| 5 | 5,000 | — |
| 6 | 6,000 | — |
| 7 | 7,000 | — |
| 8 | 8,000 | — |
| 9 | 9,000 | — |
| 10 | 10,000 | — |
| 11 | 11,000 | — |
| 12 | 12,000 | — |
| 13 | 13,000 | — |
| 14 | 14,000 | — |
| 15 | 15,000 | — |
| 16 | 16,000 | — |
| 17 | 17,000 | — |
| 18 | 18,000 | — |
| 19 | 19,000 | — |
| 20 | 20,000 | — |
Unit Definitions
What is a Ampere (A)?
Metric (SI)Worldwide
Ampere (A) is one of the two units used in this conversion. Open its dedicated unit page for the reviewed definition and references.
Learn more about AmpereWhat is a Milliampere (mA)?
Metric (SI)Worldwide
Milliampere (mA) is one of the two units used in this conversion. Open its dedicated unit page for the reviewed definition and references.
Learn more about MilliampereFrequently Asked Questions
How do I convert Ampere to Milliampere?
Multiply the value in A by 1000. The formula is mA = A × 1000.
How many Milliampere are in 1 Ampere?
One Ampere equals 1000 mA.
What is 1 A in mA?
1 A equals 1000 mA.
How do I convert Milliampere back to Ampere?
Use the reverse factor: 1 mA = 0.001 A.