How Many Milliamperes in a Ampere?

Quick Answer
1 Ampere = 1,000 Milliamperes

1 A = 1,000 mA

Formula

mA = A × 1,000

Conversion Table

Amperes (A)Milliamperes (mA)
1 A1,000 mA
2 A2,000 mA
5 A5,000 mA
10 A10,000 mA
20 A20,000 mA
50 A50,000 mA
100 A100,000 mA
500 A500,000 mA
1,000 A1,000,000 mA

Worked Examples

Convert 5 A to mA:
5 A × 1,000 = 5,000 mA
Convert 10 A to mA:
10 A × 1,000 = 10,000 mA
Convert 50 A to mA:
50 A × 1,000 = 50,000 mA

FAQ

How many Milliamperes are in 1 Ampere?
There are 1,000 Milliamperes in 1 Ampere. Formula: mA = A × 1,000.
How to convert Amperes to Milliamperes?
To convert Amperes to Milliamperes, multiply the number of Amperes by 1,000. For example, 10 A = 10,000 mA.
How many Milliamperes are in 100 Amperes?
There are 100,000 Milliamperes in 100 Amperes. Calculation: 100 × 1,000 = 100,000.