Calculator Inputs
The page stays single-column overall, while the calculator fields adapt to three, two, and one columns across screen sizes.
Example Data Table
This sample shows one realistic monthly planning scenario.
| Scenario | Working Days | Hours/Day | Break Minutes | Meetings | Admin | Training | Other Planned | Leave Days | Holidays | Buffer % | Efficiency % | Overtime | Net Available | Effective Available |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Example Team Month | 22 | 8 | 45 | 12 | 6 | 4 | 3 | 2 | 1 | 10 | 85 | 5 | 103.95 | 88.36 |
Formula Used
These formulas separate scheduled time from realistic productive time. That makes the calculator useful for planning work capacity, setting realistic weekly targets, and comparing multiple scenarios.
How to Use This Calculator
- Enter a plan name so you can identify the scenario later.
- Add the number of working days in the period you want to review.
- Enter daily working hours and average break minutes.
- Fill in fixed time blocks such as meetings, administration, training, and other planned commitments.
- Include leave days, holidays, and any expected overtime.
- Set a buffer percentage to protect the plan from interruptions.
- Use efficiency percentage to estimate realistic productive time.
- Press the calculate button to show results above the form and review the graph, table, and export options.
Frequently Asked Questions
1. What are available hours?
Available hours are the usable work hours left after subtracting breaks, leave, holidays, meetings, admin tasks, buffers, and other planned commitments from scheduled time.
2. Why should I include a buffer?
A buffer protects your plan from interruptions, urgent requests, delays, and context switching. Without it, schedules often appear full but unrealistic.
3. What does efficiency percentage mean?
Efficiency percentage converts net schedulable hours into realistic productive hours. For example, 20 net hours at 85% efficiency become 17 effective hours.
4. Should leave days include weekends?
No. Enter only leave days that replace planned working days. Weekends and already non-working days should not be counted again.
5. Can I use this for weekly and monthly planning?
Yes. The calculator works for any planning period if you enter the correct total working days, daily hours, commitments, and adjustment factors.
6. Why are breaks removed separately?
Breaks are necessary but still consume scheduled time. Separating them helps you see the real difference between total hours and usable capacity.
7. What if my result becomes zero?
That means deductions and reserves fully consume your planned schedule. Review commitments, reduce overload, adjust buffers carefully, or increase capacity.
8. Does overtime always improve capacity?
It increases gross scheduled hours, but too much overtime can reduce efficiency, increase fatigue, and weaken long-term planning accuracy.