Timesheet Invoice: What It Is and When to Use It
An invoice backed by logged hours, itemised by date and task.
What Is a Timesheet Invoice?
A timesheet invoice bills for time, with the underlying hours itemised. Rather than a single "40 hours" line, it shows dates, tasks, hours, and the rate applied to each — so the client can see what they are paying for.
This detail is what makes hourly billing survive scrutiny. Clients rarely dispute an hourly rate they agreed to; they dispute totals they cannot account for. A timesheet invoice pre-empts that by carrying the evidence.
Timesheet invoices also handle rate variation cleanly. Different roles, out-of-hours work, and travel time can each carry their own rate and their own subtotal on the same invoice.
When to Use It
- You bill by the hour, day, or session rather than by deliverable.
- A client requires a breakdown of hours before approving payment.
- Different tasks or people on the engagement carry different rates.
- You are billing overtime, out-of-hours, or travel time at premium rates.
Who Uses It
- Freelancers and contractors on hourly engagements
- Agencies billing time and materials
- Legal, accounting, and consulting practices
- Trades billing labour hours plus parts
Benefits of a Timesheet Invoice
- Justifies the total with evidence rather than assertion.
- Speeds approval, because the approver has everything they need on one document.
- Handles multiple rates and roles without confusion.
- Creates a record of where time actually went, useful for future estimates.
Fields to Include on a Timesheet Invoice
The fields below are the ones businesses commonly include. They are a practical starting point, not a statement of what any particular country requires.
- Invoice number, issue date, and the period covered
- Date, task description, and hours for each entry
- Rate applied to each entry or group of entries
- Subtotals by rate, role, or workstream
- Premium hours — overtime, weekend, travel — shown separately
- Total hours and total fee
- Any expenses being passed through
- Applicable tax, total due, and payment terms
Common Timesheet Invoice Mistakes
A single total-hours line
"Consulting: 62 hours" is the most challenged line item in professional services. Itemise by date and task.
Task descriptions that say nothing
"Meetings" and "admin" read as padding. Name the meeting or the deliverable it advanced.
Rates not agreed in advance
Premium rates for overtime or travel that first appear on an invoice will be contested.
Rounding every entry up
Systematic rounding is visible across a full timesheet and undermines trust in the whole invoice.
Timesheet Invoice Best Practices
- 1Log time as you work rather than reconstructing it at month end.
- 2Group entries by workstream so the client can see spend by area.
- 3Show subtotals per rate when more than one rate applies.
- 4Agree all premium rates in writing before they appear on an invoice.
- 5Keep the timesheet detail attached to the invoice, not in a separate email.
Timesheet Invoice FAQs
What is a timesheet invoice?
An hourly invoice that itemises the underlying time entries — date, task, hours, and rate — so the total is fully accounted for on the document itself.
How much detail should a timesheet invoice show?
Enough that an approver who was not in the room can tell what they are paying for. Date, a specific task description, hours, and rate per entry is the usual standard.
How do I handle multiple hourly rates?
Group entries by rate and subtotal each group. Show premium rates for overtime, weekend, or travel work as their own lines with the rate stated.
Can I create an hourly invoice with a time breakdown for free?
Yes. Add one line per time entry in PDF Invoice Pro, set hours as the quantity and your rate as the unit price, and the totals calculate automatically before you download the PDF.
Create a Timesheet Invoice Now — Free
Set a custom document title, itemize your lines, add VAT, GST or any custom tax label, pick from 30+ currencies, and download a print-quality PDF. No account, no watermark, no export limit — and your data is processed in your browser, never uploaded.
Related Invoice Types
- Expense InvoiceAn invoice for costs paid on a client’s behalf and passed through.
- Milestone InvoiceAn invoice triggered by completing and delivering an agreed milestone.
- Service InvoiceAn invoice for labour and expertise rather than physical goods.
- Retainer InvoiceAn invoice for reserved capacity or an agreed monthly scope of work.
Timesheet Invoice Templates
This page explains the document. If you just want to produce one, these templates open the free generator pre-configured with the right line items and tax fields.
- Hourly Invoice Template
- Time Based Invoice Template
- Freelancer Invoice Template
- Lawyer Invoice Template
Further reading
Guides on this site that go deeper on the topics above.