How do you write 9,999 in words?
9,999 = nine thousand nine hundred ninety-nine
How to write $9,999 on a check
The most common reason to write 9,999 as nine thousand nine hundred ninety-nine would be if you're writing a check for $9,999. Just below the "pay to the order of" line, you would write the dollar amount in words. In this case, you might write "nine thousand nine hundred ninety-nine and 00/100 dollars."