Habits & desk health
Work-life balance calculator
Enter your weekly work hours, nightly sleep and other fixed commitments to see how your 168-hour week divides and how much of your waking time is work.
Other commitments means fixed, non-work time such as commuting, chores, caring and errands — not leisure, which the calculator works out as what is left.
How the split is worked out
Every week has exactly 168 hours (7 × 24). The calculator subtracts the big fixed blocks — work, sleep and your other commitments — and whatever remains is your free, personal time. Sleep per week is your nightly hours × 7. The headline figure is work as a share of your waking hours, because comparing work with the full 168 hides the fact that a third of the week is spent asleep: work share = work hours ÷ (168 − weekly sleep) × 100.
Worked example: 45 hours of work, 7.5 hours of sleep a night and 20 hours of other commitments. Sleep is 7.5 × 7 = 52.5 hours, leaving 115.5 waking hours. Work takes 45 ÷ 115.5 = 39% of waking time. The fixed blocks total 117.5 hours, so 50.5 hours of free time remain — about 7.2 hours a day. As a share of the whole week, work is a smaller 26.8%.
| Where the time goes | Hours per week | Share of week |
|---|---|---|
| Work | 45.0 | 26.8% |
| Sleep | 52.5 | 31.3% |
| Other commitments | 20.0 | 11.9% |
| Free / personal | 50.5 | 30.1% |
Reading your balance
This is an objective ratio, not a quiz or a judgement about your life. A full-time week of 40 hours against roughly 112 waking hours is about 36%, which is why this tool treats a work share up to about half of waking time as balanced, 50–65% as high, and above 65% as leaving very little room for anything else. The number that often matters most is free time per day: if it drops close to zero, no amount of enjoying your job makes the arithmetic sustainable.
Treat the categories honestly. Unpaid overtime, work email in the evening and a long commute all belong in the figures, and leaving them out flatters the result. The split also says nothing about quality — highly varied, autonomous work feels different from the same hours of monotony, and caring for a child counts as a commitment here even though it may be the best part of someone's week. Use the breakdown to spot where a week has quietly tilted, then decide which block to defend; protecting sleep is usually the highest-value move, because borrowing from it tends to make every other hour less productive.
Frequently asked questions
How do I calculate my work-life balance?
Compare your work hours with your waking hours. With 45 work hours and 115.5 waking hours a week, work takes about 39%, leaving the rest for commitments and free time.
How many hours a week is a healthy amount of work?
There is no single number, but keeping work below about half of your waking hours usually leaves meaningful free time. Full-time work of around 40 hours sits comfortably in that range for most people.
Why does the calculator use waking hours instead of the whole week?
Because roughly a third of every week is spent asleep. Measuring work against the full 168 hours makes any job look light; waking hours give a truer picture of your available time.