Milliamperes to Amperes Converter

mA → A: type a value and the result appears instantly.

1 mA = 0.001 A
1 A = 1,000 mA

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To

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How to convert milliamperes to amperes

Use this formula:

A = mA × 0.001

Examples

5 mA = 0.005 A
12 mA = 0.012 A
100 mA = 0.1 A

mA to A conversion chart

milliamperes (mA)	amperes (A)
0.1 mA	0.0001 A
0.25 mA	0.00025 A
0.5 mA	0.0005 A
1 mA	0.001 A
2 mA	0.002 A
3 mA	0.003 A
4 mA	0.004 A
5 mA	0.005 A
6 mA	0.006 A
7 mA	0.007 A
8 mA	0.008 A
9 mA	0.009 A
10 mA	0.01 A
12 mA	0.012 A
15 mA	0.015 A
20 mA	0.02 A
25 mA	0.025 A
30 mA	0.03 A
40 mA	0.04 A
50 mA	0.05 A
60 mA	0.06 A
70 mA	0.07 A
75 mA	0.075 A
80 mA	0.08 A
90 mA	0.09 A
100 mA	0.1 A
150 mA	0.15 A
200 mA	0.2 A
250 mA	0.25 A
500 mA	0.5 A
1,000 mA	1 A

About the units

Milliampere (mA) is a metric (SI) unit. 1 mA = 0.001 A.

Ampere (A) is a metric (SI) unit. 1 A = 1,000 mA.

Frequently asked questions

How do I convert milliamperes to amperes?: Multiply the value in mA by 0.001.
How many amperes are in 1 milliampere?: 1 mA = 0.001 A.
What is 12 mA in A?: 12 mA = 0.012 A.
How do I convert amperes to milliamperes?: Use the reverse converter: A → mA.

Electric Current Converter →

Related conversions

A → mA µA → mA mA → µA

Sources: NIST SP 811 · BIPM SI Brochure · NIST Handbook 44. Last reviewed: 2026-10 · FreeUnitConverters