This article will show how to convert electric current measurement units from nanoamperes (nA) to kiloamperes (kA). We will cover essential definitions, provide examples, share relevant formulas, and present tables, along with answers to common questions.
Definitions of Ampere, Nanoampere, and Kiloampere
Let’s get started by understanding the key definitions of Ampere (A)
, Nanoampere (nA)
, and Kiloampere (kA)
. 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.

According to SI prefixes[2], which are based on powers of 10, an ampere (1 A
) is equivalent to one billion nanoamperes (109 nA
or 1,000,000,000 nA)
.
What is Nanoampere?
A nanoampere (nA) is a unit of electric current in the SI system equal to one billionth (1/1,000,000,000
) of an ampere (10-9 A
).

It represents an extremely small current level, commonly used in fields where precise measurements are necessary, such as semiconductor testing, quantum computing, nanotechnology research, and biomedical sensors, where minimal electric current variations must be accurately captured and analyzed.
What is a Kiloampere?
A kiloampere (kA) is a derived unit of electric current in the SI system equal to one thousand ampere (1,000 A
).

It is typically used in high-power applications and industrial contexts where currents are on a much larger scale than what is encountered in everyday electronic devices. For instance, large-scale power generation, electrical transmission systems, and heavy industrial processes often involve currents measured in kiloamperes.
nA to kA 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 nano-
prefix in the International System of Units (SI) represents a multiplier of 10-9 (0.000000001)
while the kilo-
represents a multiplier of 103 (1,000)
.
So, to convert from nanoamps to kiloamps, divide the number of nanoamps (I(nA)
) by 1012 (1,000,000,000,000)
.
I(kA) = I(nA) ÷ 1012 = I(nA) ÷ 1,000,000,000,000
Or remember the nA-to-kA
conversion factor: 1 nA = 10-12 = 0.000000000001 kA
nA to kA conversion table
The conversion table below provides a handy reference for converting electric current measurement units from nanoamperes (nA) to kiloamperes (kA). It covers a range from 0.1 nA
to 1,000 nA
, allowing for easy and quick conversions between these units of measurement.
Nanoamperes (nA) | Kiloamperes (kA) |
---|---|
0.1 nA | 0.0000000000001 kA |
0.5 nA | 0.0000000000005 kA |
1 nA | 0.000000000001 kA |
2 nA | 0.000000000002 kA |
4 nA | 0.000000000004 kA |
5 nA | 0.000000000005 kA |
10 nA | 0.00000000001 kA |
20 nA | 0.00000000002 kA |
30 nA | 0.00000000003 kA |
40 nA | 0.00000000004 kA |
50 nA | 0.00000000005 kA |
60 nA | 0.00000000006 kA |
70 nA | 0.00000000007 kA |
80 nA | 0.00000000008 kA |
90 nA | 0.00000000009 kA |
100 nA | 0.0000000001 kA |
200 nA | 0.0000000002 kA |
500 nA | 0.0000000005 kA |
800 nA | 0.0000000008 kA |
1,000 nA | 0.000000001 kA |
Examples
Now, let's look at an example that illustrates the calculations required to convert from nanoamperes to kiloamperes (nA to kA).
Example: Data Center Environmental Monitoring
An advanced data center integrates numerous nano-scale sensors to monitor environmental parameters. Converting these small currents into kiloamperes allows for easier energy consumption analysis.
If 750 trillion (750×1012) sensors each produce 4 nA, what is the total current in kiloamperes? You need it to streamline the monitoring of power usage across the data center.
Solution
The total electric current produce by 750 trillion sensors is:
Since 1 kiloampere (kA) = 1012 = 1,000,000,000,000 nanoamperes (nA)
, we can convert 3,000 × 1012 nA
to kiloamperes by using the following formula:
Therefore, the 3,000×1012 nA
electric current is equivalent to 3,000 kA
.
To solve the problem with our calculator, follow the steps below:
- Enter the value in nanoamperes: For this example, enter
3e15
or3000e12
or3,000,000,000,000,000
into theFrom
box. - View the result: The converter instantly calculates and displays the equivalent value in kiloamperes:
3,000 kA
.

FAQs
Is 1 nanoampere or 1 kiloampere larger?
A kiloampere (kA) is a trillion times bigger than a nanoampere (nA). Here are the relationships between the units:
1 kA = 1012 = 1,000,000,000,000 nA
1 nA = 10-12 = 1 ÷ 1,000,000,000,000 = 0.000000000001 kA
How to convert from nanoamperes to kiloamperes?
To convert electric current from nanoamperes (nA) to kiloamperes (kA), follow these simple steps:
- Write down the electric current value in
nanoamperes (nA)
. - Multiply it by the value of a
nA-to-kA
conversion factor:10-12
or0.000000000001
. - The result of multiplication is the value of the electric current in
kiloamperes (kA)
.
Why do I need to convert nanoamperes to kiloamperes?
Converting nanoamperes to kiloamperes is useful when you need to aggregate the tiny currents from a vast number of sensors or devices. While one sensor might generate just a few nanoamperes, summing billions or trillions of such readings results in enormous values that are much easier to handle in kiloamperes.
Using kiloamperes streamlines calculations and simplifies comparisons with system specifications. It transforms cumbersome strings of tiny numbers into a single, manageable figure that facilitates accurate engineering analysis and effective power system design.
You now know how to convert electric current from nanoamperes (nA) to kiloamperes (kA). You can quickly use our calculator to convert between the electric current measurement units to save time for future calculations.