1/500000 as a percent

According to 'Fraction to Percentage' conversion formula if you want to know what percent of 500000 is 1 you have to divide 1 by 500000 and then multiply the result by 100.

Here is the complete solution:

To make it easier to calculate, you may write it as an equation:

We need to adjust the fraction to the target denominator 100. To find the required multiplier we need to divide 100 by the denominator 500000:

Now we can multiply our numerator 1 by this multiplier:

so

There is also another approach - you can first multiply numerator 1 by 100 and then divide result by denominator 500000 :