How Many Zeros in a billion?
We count in billions according to the international number system.
Answer: There are 9 zeros in a billion.
Let us see the place value of a billion and count the 0s that a billion has.
One billion is also known as a thousand million and can be expressed as 1,000 × 1000,000 = 1,000,000,000. It is the smallest 10-digit number in math.
1 billion = 1000 millions = 1,000,000,000
This shows that it has 9 zeros.
Therefore, 1 billion (1000000000) has 9 zeros.