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Freelance Calculators

Billable Hours Calculator

Total billable hours and invoice amount from time entries, with non-billable time and utilization.

Also known as billable hour calculator, billable time, hours to invoice.

Enter values

Separate values with commas, spaces or new lines.

Results update as you type.

Result

Billable amount

$2,613.75

Billable hours
30.75
Utilization
80.92%

About the Billable Hours Calculator

Total billable hours and invoice amount from time entries, with non-billable time and utilization.

Also known as: billable hour calculator, billable time, hours to invoice, billable-time.

How to use this calculator

  1. Enter billable hours per day/task, hourly rate, total hours worked (optional).
  2. The result updates instantly as you type — press Calculate (or Enter) at any time.
  3. Review the breakdown shown under the main result.
  4. Use Copy result or Share to save the answer or send a link with your inputs.

Billable Hours formula

Invoice = Σ billable hours × rate

Worked example

Using the values pre-filled in the calculator above:

  • Billable hours per day/task: 6.5, 7, 5.25, 8, 4
  • Hourly rate = 85
  • Total hours worked (optional) = 38

the calculator returns:

  • Billable amount: 2,613.75
  • Billable hours: 30.75
  • Utilization: 80.92%