Hourly Rate Invoice Template

Hourly Billing Invoice Guide

Hourly invoices require meticulous time tracking and clear documentation. The key is transparency -- clients should be able to see exactly what they are paying for without asking follow-up questions.

Structuring Hourly Line Items

Each line item should include:

• Date or date range of the work
• Description of what was done
• Hours spent (rounded to nearest 0.25 or 0.5)
• Hourly rate
• Line total

Time Rounding Practices

Method	Description	Common In
6-minute (0.1 hr)	Most precise, legal standard	Legal, accounting
15-minute (0.25 hr)	Good balance of precision and simplicity	Consulting, IT
30-minute (0.5 hr)	Simple but may over/under-bill	Creative work

Sample Hourly Invoice

Invoice #HR-2024-008
Rate: $95/hour
Period: March 4-15, 2024

Line Items:
  Mar 4 - Database schema redesign          3.50 hrs  $332.50
  Mar 5 - API endpoint implementation       6.00 hrs  $570.00
  Mar 6 - Unit test coverage                4.25 hrs  $403.75
  Mar 11 - Code review & refactoring        2.75 hrs  $261.25
  Mar 12 - Bug fixes (tickets #142, #145)   5.00 hrs  $475.00
  Mar 13 - Performance optimization         4.50 hrs  $427.50
  Mar 15 - Documentation updates            2.00 hrs  $190.00

  Total Hours: 28.00
  Subtotal:    $2,660.00
  Tax (0%):    $0.00
  Total:       $2,660.00

Tips for Hourly Invoicing

1. Log time daily -- do not rely on memory at the end of a billing period
2. Be specific -- "Bug fix for login timeout issue (#142)" is better than "Bug fixes"
3. Include ticket/task references when working with issue trackers
4. Agree on rounding rules with your client before starting
5. Set a maximum hours per period to avoid billing surprises