# Convert 989 mg to ag

In this article I will show you how to convert 989 milligrams into attograms. Throughout the explanation below I might also call it 989 mg to ag. They are the same thing!

## How to Convert Milligrams to Attograms

A milligram is greater than a attogram. I know that a mg is greater than a ag because of something called conversion factors.

Put very simply, a conversion factor is a number that can be used to change one set of units to another, by multiplying or dividing it. So when we need to convert 989 milligrams into attograms, we use a conversion factor to get the answer.

The conversion factor for mg to ag is:

1 mg = 1.0E+15 ag

Now that we know what the conversion factor is, we can easily calculate the conversion of 989 mg to ag by multiplying `1.0E+15` by the number of milligrams we have, which is 989.

989 x 1.0E+15 = 9.89E+17 ag

So, the answer to the question "what is 989 milligrams in attograms?" is 9.89E+17 ag.

## Milligrams to Attograms Conversion Table

Below is a sample conversion table for mg to ag:

Milligrams (mg) Attograms (ag)
0.0110000000000000
0.11.0E+14
11.0E+15
22.0E+15
33.0E+15
55.0E+15
101.0E+16
202.0E+16
505.0E+16
1001.0E+17
10001.0E+18

## Best Conversion Unit for 989 mg

Sometimes when you work with conversions from one unit to another, the numbers can get a little confusing. Especially when dealing with really large numbers.

I've also calculated what the best unit of measurement is for 989 mg.

To determine which unit is best, I decided to define that as being the unit of measurement which is as low as possible, without going below 1. Smaller numbers are more easily understood and can make it easier for you to understand the measurement.

The best unit of measurement I have found for 989 mg is milligrams and the amount is 989 mg.