Plan workout frequency per week.
Frequency is where a weekly minutes target meets the days you actually have. Dividing the target by session length gives the sessions required, while rest days and availability cap how many days are usable. When those two disagree the fix is longer sessions rather than more days, which is what the minutes-per-session figure gives you.
Weekly frequency
Sessions needed = weekly target / session minutes; training days = min(days available, 7 - rest days); minutes per session to hit target = weekly target / training days
These figures are estimates based on population-average formulas and are intended for training and recreational planning only. They are not medical advice. Consult a qualified health professional before starting or changing an exercise programme, particularly if you have an existing medical condition.
Public health guidance is about 150 minutes of moderate activity a week, which most people fit into three to five sessions. The split matters less than the total.
For general health, whichever you sustain. For strength, more days usually beats longer sessions because volume per muscle is easier to distribute.
No. Walking, mobility and light activity on non-training days aid recovery and add to weekly movement without meaningful fatigue.