Convert Milliamps to Microamps
Enter the number of milliamperes that you want to convert to microamperes.
How to Convert Milliamperes to Microamperes
The milliampere and microampere are both units of electric current. By definition, 1 milliampere equals exactly 1e12 microamperes. This means to convert milliamperes to microamperes, you multiply by 1e12.
Formula
Step-by-Step Example
Convert 5 mA to microamperes:
We need to convert milliamperes to microamperes
Since 1 mA = 1e12 μA, multiply by 1e12
5 × 1e12 = 5e12
5 mA = 5e12 μA
Milliampere to Microampere Conversion Table
Quick reference table for common milliampere to microampere conversions. Click any value for detailed calculation.
| Milliamperes (mA) | Microamperes (μA) |
|---|---|
| 0.1 mA | 100000000000 μA |
| 0.5 mA | 500000000000 μA |
| 1 mA | 1e12 μA |
| 2 mA | 2e12 μA |
| 5 mA | 5e12 μA |
| 10 mA | 1e13 μA |
| 25 mA | 2.5e13 μA |
| 50 mA | 5e13 μA |
| 100 mA | 1e14 μA |
About These Units
Milliampere (mA)
A milliampere (mA) equals 0.001 amperes or 1,000 microamperes. Common for electronic devices: LED current 10-20 mA, USB 2.0 charging 500 mA, USB 3.0 up to 900 mA, fast charging 1,500-3,000 mA. Dangerous current through human body starts around 10-20 mA.
Microampere (μA)
A microampere (μA) equals 10⁻⁶ amperes or 0.001 milliamperes. Used in low-power electronics: watch batteries draw 1-2 μA, sleep mode microcontrollers 1-100 μA, pacemakers 10-25 μA, biosensors and electrochemical cells. Critical for battery life calculations.
Frequently Asked Questions
How do I convert milliamperes to microamperes?
To convert milliamperes to microamperes, multiply the value by 1e12. For example, 10 mA = 1e13 μA.
How many microamperes are in 1 milliampere?
1 milliampere equals 1e12 microamperes.
What is the formula for milliamperes to microamperes?
The formula is: μA = mA × 1e12.