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ISBN-10 numbers convert to ISBN-13 with a 978 prefix and a new check digit. ISBN-13 numbers that start with 979 cannot become ISBN-10.
Use the ISBN-13 in the barcode tool. Keep the ISBN-10 only if an older system still asks for it.
How to use this tool
- Paste an ISBN-10 or ISBN-13.
- Convert.
- Copy the ISBN-13 into the barcode tool if you need artwork.
Practical guidance
Use the ISBN-13 in the barcode tool. Keep the ISBN-10 only if an older system still asks for it.
Checks before you use the output
A converted number is still the same edition. It is not a new ISBN.
Questions and answers
Why can’t 979 convert back?
ISBN-10 only covers the 978 range.
Does this register a book?
No.
Are hyphens required?
No. They are ignored.