Engineering Unit Converters

Convert Ampere to Milliampere

Use our accurate converter to change ampere into milliampere. This tool is simple to use and works instantly.

How to Calculate

To change ampere to milliampere, you just need to know the conversion factor.

Rule: 1 Ampere = 1,000 Milliampere

Ampere to Milliampere
Pre-defined calculator for direct ampere to milliampere conversion.
Ampere (A)
0
Milliampere (mA)
Formula: 1 Ampere = 1,000 Milliampere

Unit Information

About Ampere

Definition: The Ampere is the SI unit of electric current.

History: Named after André-Marie Ampère, a pioneer in electrodynamics.

Where it is used: Measures the flow of electrical charge in everything from phones to power lines.

Ampere to Milliampere Conversion Table

Ampere [a]Milliampere [ma]
0.01 a10 ma
0.1 a100 ma
1 a1,000 ma
2 a2,000 ma
3 a3,000 ma
5 a5,000 ma
10 a10,000 ma
20 a20,000 ma
50 a50,000 ma
100 a100,000 ma
1000 a1,000,000 ma

How to Convert Ampere to Milliampere

Calculation: To convert ampere to milliampere, multiply the value by the conversion factor (1,000).

Example: convert 15 a to ma:
15 a = 15 × 1,000 ma = 15,000 ma

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