What Is This Tool For?
It converts a numeric dollar amount into the exact words you need to write on the "Dollars" line of a check — the legally binding part of a check, since banks default to the written words if the numbers and words ever disagree.
How It Works
The tool spells out the whole-dollar amount in words, then adds the cents as a fraction over 100 (e.g., "and 45/100"), matching standard check-writing convention.
Example
$1,289.45 → "One thousand two hundred eighty-nine and 45/100"
For a full walkthrough of every part of writing a check — not just the amount — see our guide: How to Write a Check for Any Amount.
Learn more: How to Write a Check for Any Amount, Number to Words Converter Guide, and How to Write a Check for Rent
FAQ
Do I still need to write "dollars" after the amount? Most check templates already print "dollars" at the end of the amount line, so you typically only need to write the words plus the cents fraction.
How do I write a check for a whole-dollar amount with no cents? Write "00/100" after the amount in words (e.g., "Five hundred and 00/100") so no one can alter the check by adding a decimal or extra digits.
What if the amount is very large, like over a million dollars? The tool handles large amounts the same way — spelling out each place value (thousands, millions) in full words.
Can this tool handle zero or negative amounts? It's designed for standard positive check amounts; checks can't be written for zero or negative amounts, so enter the actual amount you're paying.