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Ampere to Microampere Converter

Enter the value that you want to convert ampere (A) to microampere (µA) or microampere to ampere.Also written as A to ΜA conversion.

1 ampere = 1000000.0000000 microampere

Formula: microampere = ampere value × 1000000.0000000

A to ΜA — ampere to microampere

A
10000000.00000µA

10 ampere = 10000000.00000 microampere

Popular Current Converters:

amps to milliampsmilliamps to ampsamps to microampsmicroamps to ampsamps to kiloampskiloamps to amps

Ampere to Microampere: The Essentials

The Ampere in Electrical Systems

Ampere (A) is a unit of current measurement. 1 ampere is equal to 1000000.0000000 microampere.

The Microampere in Electrical Systems

Microampere (µA) is a unit of current measurement. 1 microampere is equal to 0.0000010 ampere.

Electric Current Measurement

Electric current conversions matter in electrical engineering, electronics repair, and power system design. Circuit designers work in milliamps and microamps for semiconductor work, while power engineers deal in kiloamps for substations and industrial bus bars. Legacy CGS units like abampere and statampere still appear in older physics textbooks and reference materials.

ampere to microampere metric conversion table

0.01 A=10000.00000 µA
0.1 A=100000.00000 µA
1 A=1000000.00000 µA
2 A=2000000.00000 µA
3 A=3000000.00000 µA
4 A=4000000.00000 µA
5 A=5000000.00000 µA
6 A=6000000.00000 µA
7 A=7000000.00000 µA
8 A=8000000.00000 µA
9 A=9000000.00000 µA
10 A=10000000.00000 µA
11 A=11000000.00000 µA
12 A=12000000.00000 µA
13 A=13000000.00000 µA
14 A=14000000.00000 µA
15 A=15000000.00000 µA
16 A=16000000.00000 µA
17 A=17000000.00000 µA
18 A=18000000.00000 µA
19 A=19000000.00000 µA
20 A=20000000.00000 µA
30 A=30000000.00000 µA
40 A=40000000.00000 µA
50 A=50000000.00000 µA
60 A=60000000.00000 µA
70 A=70000000.00000 µA
80 A=80000000.00000 µA
90 A=90000000.00000 µA
100 A=100000000.00000 µA
200 A=200000000.00000 µA
300 A=300000000.00000 µA
400 A=400000000.00000 µA
500 A=500000000.00000 µA
600 A=600000000.00000 µA
700 A=700000000.00000 µA
800 A=800000000.00000 µA
900 A=900000000.00000 µA
1000 A=1000000000.00000 µA

How to Convert A to ΜA (Ampere to Microampere)?

We can convert ampere to microampere by using an example.

Example:

Convert 20 Ampere to Microampere?

We know 1 Ampere = 1000000.0000000 microampere; 1 Microampere = 0.0000010 ampere.

20 ampere = ___µA

20 × 1000000.0000000 = 20000000.00000 µA (we know 1 ampere = 1000000.0000000 microampere)

Answer:

20 ampere = 20000000.00000 microampere

How to Convert Amps to Microamps (A to µA)

The microamp (µA) is one millionth of an ampere. Microamp-level currents appear in leakage specs for MOSFET gates, standby draws of ultra-low-power MCUs, and biosensor circuits. Converting amps to microamps means multiplying by 1,000,000 — which is simply moving the decimal point six places to the right.

  1. Start with the current value in amperes (A).
  2. Multiply by 1,000,000 (since 1 A = 10⁶ µA).
  3. The result is the current in microamps (µA).
  4. Example: 0.005 A × 1,000,000 = 5,000 µA.
💡 Tip: A typical LED forward current is 20 mA (20,000 µA), while a sleeping microcontroller might draw only 1–5 µA. The six orders of magnitude between amps and microamps often surprise beginners.

Amps to Microamps Quick Reference

Commonly encountered current levels converted from amps to microamps:

AmpereMicroampere
0.000001 A1 µA
0.00001 A10 µA
0.0001 A100 µA
0.001 A1,000 µA
0.01 A10,000 µA
0.02 A20,000 µA
0.1 A100,000 µA
1 A1,000,000 µA

Solved Examples: Amps to Microamps

Question 1: A CMOS sensor draws 0.000045 A in active mode. Express in µA.

Solution:

µA = A × 1,000,000

= 0.000045 × 1,000,000

= 45 µA

Answer: 0.000045 A = 45 µA — typical for a low-power image sensor in standby-to-active transition.

Question 2: An IoT node draws 0.0032 A during data transmission. Convert to µA.

Solution:

µA = A × 1,000,000

= 0.0032 × 1,000,000

= 3,200 µA

Answer: 0.0032 A = 3,200 µA — a typical LoRa radio transmit current.

Question 3: The gate leakage of a power MOSFET is specified as 0.00000025 A. What is this in µA?

Solution:

µA = A × 1,000,000

= 0.00000025 × 1,000,000

= 0.25 µA

Answer: 0.00000025 A = 0.25 µA (250 nA) — well within acceptable gate leakage for most power FETs.

Practice: Amps to Microamps

Try solving these on your own to test your understanding:

  1. Convert 0.005 A to µA. (Answer: 5,000 µA)
  2. A sensor draws 0.00015 A. Express in µA. (Answer: 150 µA)
  3. Convert 2.5 A to µA. (Answer: 2,500,000 µA)
  4. A circuit leaks 0.0000003 A. What is that in µA? (Answer: 0.3 µA)
  5. Convert 0.075 A to µA. (Answer: 75,000 µA)

Ultra-Low-Power Design: Why Microamps Matter

In battery-powered IoT devices, every microamp counts. A coin cell (CR2032) has about 225 mAh capacity. At 1 µA sleep current, it lasts 225,000 hours (25+ years). At 100 µA, it lasts 2,250 hours (3 months). Engineers specify sleep currents in µA and active currents in mA, then calculate average current using duty cycles. The goal: keep average draw under 10–20 µA for multi-year battery life on a coin cell.

Measuring Microamp Currents: Instrumentation Tips

Standard multimeters struggle below 100 µA due to burden voltage and resolution limits. For accurate µA measurements, use a source-measure unit (SMU) like the Keithley 2450, or a dedicated current profiler like the Nordic PPK2. These instruments have nanoamp resolution and minimal burden voltage (<100 mV). When measuring sleep currents, ensure your probe connections do not introduce leakage paths — even fingerprint residue on a PCB can add 1–10 µA of leakage in humid conditions.

Key Takeaways

  • Multiply amps by 1,000,000 to get microamps.
  • 1 A = 1,000,000 µA — move the decimal six places right.
  • Sleep-mode MCUs draw 1–10 µA; active circuits draw thousands of µA.
  • Coin cell life depends critically on average µA draw over the duty cycle.
  • Precision µA measurement requires specialized instruments (SMU or current profiler).

Ampere to Microampere Conversion Formula

microampere = ampere × 1000000.0000000

1 ampere = 1000000.0000000 microampere

1 microampere = 0.0000010 ampere

Reverse: ampere = microampere × 0.0000010

Frequently Asked Questions

How many microampere are in 1 ampere?

There are 1000000.0000000 microampere in 1 ampere. To convert ampere to microampere, multiply the value by 1000000.0000000.

How do I convert ampere to microampere?

Multiply your ampere value by 1000000.0000000 to get the equivalent in microampere. For example, 5 ampere = 5 × 1000000.0000000 = 5000000.00000 microampere.

How do I convert microampere to ampere?

Multiply your microampere value by 0.0000010 to get the equivalent in ampere. Alternatively, divide by 1000000.0000000.

What is 10 ampere in microampere?

10 ampere is equal to 10000000.00000 microampere.

What is 100 ampere in microampere?

100 ampere is equal to 100000000.00000 microampere.