Formula
mA to A conversion formula
Use this relationship for a direct conversion:
A = mA x 0.001
Worked example
2 mA = 0.002 A.
SI prefix relationships are exact.
Electric Current conversion
Convert Milliampere to Ampere
1 milliampere (mA) equals 0.001 ampere (A). Enter any value below to convert from mA to A.
Enter a value and choose units. Results update instantly.
1 mA = 0.001 A
All Current units
From 1 mA| Unit | Value |
|---|---|
| Nanoampere nA | 1,000,000 |
| Microampere μA | 1,000 |
| Milliampere mA | 1 |
| Ampere A | 0.001 |
| Kiloampere kA | 0.000001 |
| Abampere abA | 0.0001 |
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Quick reference
Milliampere to Ampere table
| Milliampere (mA) | Ampere (A) |
|---|---|
| 0.01 | 0.00001 |
| 0.1 | 0.0001 |
| 1 | 0.001 |
| 2 | 0.002 |
| 5 | 0.005 |
| 10 | 0.01 |
| 25 | 0.025 |
| 50 | 0.05 |
| 100 | 0.1 |
| 1,000 | 1 |
From unit
About the milliampere
One thousandth of an ampere.
Symbol: mA
To unit
About the ampere
The SI base unit of electric current.
Symbol: A
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Source
Conversion standard
Definitions are checked against BIPM SI Brochure: ampere. Calculations use full internal precision before display rounding.
View the complete electric current converterQuestions
mA to A FAQ
How do you convert milliampere to ampere?
Use the formula A = mA x 0.001. 1 milliampere (mA) equals 0.001 ampere (A).
Is the mA to A conversion exact?
Both unit definitions use exact factors. Only the displayed decimal may be rounded.