HR & Office ToolsTime ToolsFree Tool
Flex Time Calculator
Calculate your required end time for a flex schedule based on your start time and required daily hours.
How to Use Flex Time Calculator
- 1Enter your flex start time (HH:MM)
- 2Enter your required hours per day
- 3Enter your core hours for reference (e.g. 10:00–15:00)
- 4Click Generate to see your calculated end time
Frequently Asked Questions
End Time = Flex Start Time + Required Hours per Day — a simple addition, assuming you work your full required hours in one continuous block.
The window (e.g. 10:00–15:00) during which many flex-time policies require you to be present regardless of your chosen start/end time. This tool just displays the core-hours text you enter as a reminder — it doesn't check whether your calculated schedule actually covers it.
No — it treats your required hours as one continuous span. If you take an unpaid lunch break, your actual clock-out time will be later than the calculated end time; add your break duration manually or use the Break Time Calculator.
No — it only calculates a single continuous start-to-end block from one start time and one hours figure.
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