How the weeks-to-days converter works

Seven calendar cards grouped into one week

Enter a duration in weeks or days. The other field updates immediately, and the middle control reverses the direction without changing the duration.

Every week contains seven days

A week is a fixed group of seven consecutive days, so the conversion uses an exact factor:

d=7w

Multiply weeks by 7 to get days. Divide days by 7 to return to weeks; decimal weeks work too.

Half a week is 3.5 days. Multiply 0.5 by 7.

Three weeks are 21 days. This is useful when a schedule is written in weeks but individual tasks are planned by day.

Eight weeks are 56 days. In reverse, 56 divided by 7 returns exactly 8 weeks.

The result counts every day, including weekends. It does not remove public holidays or turn one week into five working days.

For date arithmetic, time zones and clock changes may matter. This converter only changes the unit used to write a duration.

The seven-day relationship stays the same throughout the calendar.

One week contains exactly 7 consecutive days.

Four weeks equal 28 days.

Fourteen days equal exactly 2 weeks.

No. A week still contains 7 days in every year.

Not in this converter. It counts all 7 calendar days, not only working days.

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