# Freelance invoicing: hours, half-days and fixed project fees

> Invoice freelance work by the hour, half-day or project. Make revisions and extra work clear, and choose a plan for your monthly workload.

URL: https://factuurmaken.nl/en/voor-wie/freelancer
Last updated: 2026-09-27

One client books two days of your time; another buys a finished result. Your invoice should explain the difference without requiring a new template for every assignment.

## Match the invoice to the assignment

For hourly work, describe the work, period and number of hours. For a fixed fee, describe the agreed deliverable and refer to your quote in the description. Quantities and unit prices in factuurmaken support either approach; you keep your own time records.

## Example: editing a newsletter with an extra revision

| Invoice line                       | Quantity    | What it explains                    |
| ---------------------------------- | ----------- | ----------------------------------- |
| September newsletter editing       | 2 half-days | The agreed work and period          |
| Additional revision after approval | 1 round     | Work beyond the original assignment |
| Interview transcription            | 3 hours     | Additional hourly work              |

Agree additional work with your client before doing it. A clear invoice line explains the charge but does not replace that agreement. Specify whether preparation and meetings are included in your fixed fee.

## Keep regular clients organised

An account saves client details and shows outstanding invoices. Update the descriptions and service period for each assignment instead of relying on the text of an old document.

### Can I invoice the same amount every month?

For a fixed retainer, use a recurring invoice schedule with a plan that includes that feature. If your hours vary each month, check the actual work before invoicing. A fixed schedule cannot know how many additional hours you worked.

## A good fit if

- You combine hourly assignments with fixed project fees
- You want extra revisions and additional work to be identifiable
- You track time elsewhere and copy totals to your invoice

## Not the right choice if

- You need a built-in timer, timesheets or project planning
- You need automatic timesheet imports from a freelance platform