If Earth is 4.54 billion years old, when will it turn 4.55 billion years old?

10 million years from now.

In about10,000,000 (Ten million) years.

4.54 billion = 4,540,000,000
4.55 billion = 4,550,000,000
The difference between these two numbers is Ten million.

Ten million years from now.

30th February

10 million years or so from now, give or take 5 million.

In 0.01 billion years.

23rd October.

At precisely midnight PST- Happy new year, and HAPPY BIRTHDAY EARTH!!

When 1 more percent of uranium turns into lead

After 0.01 billion years or you can say after 100 years in simple terms.