Copywriting invoices work best when tied to deliverables rather than time, since word count and project scope are usually clearer for clients to evaluate.
Bill per project or per word, not just per hour
Many copywriters price by piece (e.g., 'Homepage copy — $600') or by word count, which clients often find easier to budget against than an hourly estimate.
List each piece of content separately
For multi-page projects, itemize by page or asset — homepage, about page, three blog posts — rather than bundling everything into one line.
Note the revision rounds included
State clearly how many rounds of revisions are covered by the fee, and bill any additional rounds separately.
Clarify research or strategy time if applicable
If a project required significant research or content strategy beyond writing itself, consider listing this as its own line if it wasn't included in your base rate.
Specify usage rights if relevant
For freelance journalism or ghostwriting, note whether the client receives exclusive rights or if you retain reuse rights to the content.
The takeaway
A copywriting invoice should mirror how the client thinks about the project — by piece of content — rather than forcing them to interpret an hours-based breakdown.