The calculator subtracts the weekly extra-hour limit you set for yourself from extra hours this week. The result shows spare time or an overage versus the limit. Days without a full rest, rest days you set, and sleep shortfall sit in the grid. Net income is optional and does not change the main result. In the first example the result is 4 hours above the extra-work limit you set this week.
The calculator does not diagnose burnout and does not issue an invoice. Net income is optional and does not change the main result. The calculator subtracts the weekly extra-hour limit you set for yourself from extra hours this week. The result shows spare time or an overage versus the limit. Days without a full rest, rest days you set, and sleep shortfall sit in the grid. Net income is optional and does not change the main result.
Enter data and click Calculate.
The calculator uses the numbers you enter. The calculator subtracts the weekly extra-hour limit you set for yourself from extra hours this week. The result shows spare time or an overage versus the limit. Days without a full rest, rest days you set, and sleep shortfall sit in the grid. Net income is optional and does not change the main result. In the first example the result is 4 hours above the extra-work limit you set this week.
The five form fields are extra hours, extra-hour limit, no-rest days, rest days, and sleep shortfall. Extra hours means: Extra-work hours in a week, compared with the limit you set. In the first example the result is 4 hours above the extra-work limit you set this week. Extra-hour limit means: The weekly extra-work hour limit you set for yourself. In the first example it is 6. No-rest days means: Days in a month without a full rest. They appear in the grid beside the rest days you set and do not change spare time or the overage.
The second example gives 2 hours below the extra-work limit you set this week. The third example gives 12 hours above the extra-work limit you set this week. The calculator uses the numbers you enter: 10 hours of extra work versus the 6 hours you set. The result is 4 hours above the extra-work limit you set this week.
The calculator does not diagnose burnout and does not issue an invoice. Net income is optional and does not change the main result.
Enter 10, 6, 4, 8, 3, then click Calculate. A comma in 12.5 is read the same way as a period.
The calculator subtracts the weekly extra-hour limit you set for yourself from extra hours this week. The result shows spare time or an overage versus the limit. Days without a full rest, rest days you set, and sleep shortfall sit in the grid. Net income is optional and does not change the main result.
In the first example the result is 4 hours above the extra-work limit you set this week. The calculator subtracts the weekly extra-hour limit you set for yourself from extra hours this week. The result shows spare time or an overage versus the limit. Days without a full rest, rest days you set, and sleep shortfall sit in the grid. Net income is optional and does not change the main result.
4 hours above the extra-work limit you set this week
The calculator uses the numbers you enter: 10 hours of extra work versus the 6 hours you set. The result is 4 hours above the extra-work limit you set this week.
2 hours below the extra-work limit you set this week
Six hours of extra work versus the 8 hours you set. The result is 2 hours below the extra-work limit you set this week.
12 hours above the extra-work limit you set this week
Twenty hours of extra work versus the 8 hours you set. The result is 12 hours above the extra-work limit you set this week.
The calculator uses the numbers you enter: 10 hours of extra work versus the 6 hours you set. The result is 4 hours above the extra-work limit you set this week. The calculator subtracts the weekly extra-hour limit you set for yourself from extra hours this week. The result shows spare time or an overage versus the limit. Days without a full rest, rest days you set, and sleep shortfall sit in the grid. Net income is optional and does not change the main result.
The calculator subtracts the weekly extra-hour limit you set for yourself from extra hours this week. The result shows spare time or an overage versus the limit. Days without a full rest, rest days you set, and sleep shortfall sit in the grid. Net income is optional and does not change the main result.
The result is 2 hours below the extra-work limit you set this week.
The result is 12 hours above the extra-work limit you set this week.
The calculator does not diagnose burnout and does not issue an invoice. Net income is optional and does not change the main result.
No. The primary result comes from extra-work hours and the limit you set. No-rest days, rest days, and sleep shortfall sit in the grid. Net income is optional.
Extra-work hours in a week, compared with the limit you set. In the first example the result is 4 hours above the extra-work limit you set this week. The weekly extra-work hour limit you set for yourself. In the first example it is 6. Days in a month without a full rest. They appear in the grid beside the rest days you set and do not change spare time or the overage.
Yes. 12.5 and 12,5 are read the same way.
The calculator subtracts the weekly extra-hour limit you set for yourself from extra hours this week. The result shows spare time or an overage versus the limit. Days without a full rest, rest days you set, and sleep shortfall sit in the grid. Net income is optional and does not change the main result. The calculator does not diagnose burnout and does not issue an invoice. Net income is optional and does not change the main result.
Page updated in 2026.
