Niamh earns €800 per week in her job. She gets some overtime, where she earns €100 extra for the week.
Niamh is entitled a weekly rate band of €846.16. She has tax credits worth €76.92.
Calculation of Niamh's tax for the week with overtime
| Description | Income | Tax |
| Normal pay |
€800 |
|
| Overtime |
€100
|
|
| Total pay for the week |
€900
|
|
| Standard rate band taxed at 20% |
€846.16
|
€169.23
|
| Pay above rate band taxed at 40% |
€53.84
|
€21.54
|
| Gross tax |
|
€190.77
|
| Less tax credits |
|
€76.92
|
| Tax payable |
|
€113.85
|