Microampere to Ampere Converter

This article will show how to convert electric current measurement units from microamperes (µA) to amperes (A). We will cover essential definitions, provide examples, share relevant formulas, and present tables, along with answers to common questions.

Definitions of Ampere and Microampere

Let’s get started by understanding the key definitions of Ampere (A) and Microampere (µA). Understanding these terms will allow you to perform conversions confidently.

What is Ampere?

The ampere (A) is the SI base unit of electric current, representing the amount of charge flowing through a conductor per second.^[1] It is defined based on the elementary charge (e), where 1 A = 1 coulomb per second (C/s).

"Amp" is an informal abbreviation commonly used in everyday conversation and electrical contexts, though "A" remains the official SI unit symbol.

Ampere Definition and Illustration — What is Ampere? The definition and illustration.

According to SI prefixes^[2], which are based on powers of 10, an ampere (1 A) is equivalent to one million microamperes (10⁶ µA or 1,000,000 µA).

What is a Microampere?

A microampere (µA) is a unit of electric current in the SI system equal to one millionth (1/1,000,000) of an ampere (10^-6 A).

What is Microampere (µA)? — What is a Microampere (µA)?

It is commonly used in low-power electronics, medical devices, and precision instrumentation, where small currents are crucial for accurate operation.

µA to A formula

Let’s take a closer look at the conversion formula so you can carry out these conversions independently, whether using a calculator or doing it manually with pencil and paper.

The micro- prefix in the International System of Units (SI) represents a multiplier of 10^-6 (0.000001). So, to convert from microamps to amps, divide the number of microamps (I_(µA)) by 10^-6 (1,000,000).

I_(A) = I_(µA) ÷ 10⁶ = I_(µA) ÷ 1,000,000

\text{I}_\text{(A)} = \frac{\text{I}_\text{(µA)}}{1{,}000{,}000}

Or remember the µA-to-A conversion factor: 1 µA = 10^-6 = 0.000001 A

µA to A conversion table

The conversion table below provides a handy reference for converting electric current measurement units from microamperes (µA) to amperes (A). It covers a range from 0.1 µA to 1,000 µA, allowing for easy and quick conversions between these units of measurement.

Microamperes (µA)	Amperes (A)
0.1 µA	0.0000001 A
0.5 µA	0.0000005 A
1 µA	0.000001 A
2 µA	0.000002 A
4 µA	0.000004 A
5 µA	0.000005 A
10 µA	0.00001 A
20 µA	0.00002 A
30 µA	0.00003 A
40 µA	0.00004 A
50 µA	0.00005 A
60 µA	0.00006 A
70 µA	0.00007 A
80 µA	0.00008 A
90 µA	0.00009 A
100 µA	0.0001 A
200 µA	0.0002 A
500 µA	0.0005 A
800 µA	0.0008 A
1,000 µA	0.001 A

Microamperes (µA) to amperes (A) conversion table

Examples

Now, let's look at an example that illustrates the calculations required to convert from microamperes to amperes (µA to A).

Example: Sensor Calibration in Microelectronics

A precision sensor in a microelectronic device outputs currents in microamperes. Converting these values to amperes facilitates integration with calibration instruments that require standard SI units.

If the sensor outputs 500 µA, how many amperes is that? You need it to ensure accurate sensor calibration.

Solution

Since 1 ampere (A) = 10⁶ = 1,000,000 microamperes (µA), we can convert 500 µA to amperes by using the following formula:

$$\text{I}_\text{(A)} = \frac{\text{I}_\text{(µA)}}{1{,}000{,}000}$$

$$\text{I}_\text{(A)} = \frac{500}{1{,}000{,}000} = \boxed{0.0005 \text{ A}}$$

Therefore, the 500 µA electric current is equivalent to 0.0005 A.

To solve the problem with our calculator, follow the steps below:

Enter the value in microamperes: For this example, enter 500 into the From box.
View the result: The converter instantly calculates and displays the equivalent value in amperes: 0.0005 A.

Steps to use our app to convert form microampere to ampere — Steps to convert from microamperes to amperes with our calculator

FAQs

Is 1 microampere or 1 ampere larger?

An ampere (A) is a million times bigger than a microampere (µA). Here are the relationships between the units:

1 A = 10⁶ = 1,000,000 µA
1 µA = 10^-6 = 1 ÷ 1,000,000 = 0.000001 A

How to convert from microamperes to amperes?

To convert electric current from microamperes (µA) to amperes (A), follow these simple steps:

Write down the electric current value in microamperes (µA).
Multiply it by the value of a µA-to-A conversion factor: 10^-6 or 0.000001.
The result of multiplication is the value of the electric current in amperes (A).

Why do I need to convert microamperes to amperes?

Converting microamperes to amperes standardizes your measurements by using the SI unit for current. This change makes calculations and comparisons easier when you are aligning sensor readings or device specifications with datasheets and circuit models.

It also simplifies the process of adding up currents from multiple sources. Expressing very small currents in amperes minimizes extensive decimal figures and reduces the possibility of calculation errors when designing or analyzing electrical systems.

You now know how to convert electric current from microamperes (µA) to amperes (A). You can quickly use our calculator to convert between the electric current measurement units to save time for future calculations.