Convert Week (wk) to Day (d) instantly. Enter any value — result updates live.
Converting Week to Day is a common time conversion. One week (wk) equals 7 day (d). Weeks organize work schedules, project timelines, and everyday planning.
This conversion is commonly needed for project management and scheduling, scientific experiments, cooking and baking timers. Days are the fundamental unit of the calendar, based on Earth's rotation.
To put week in perspective: a typical vacation (1–2 wk). In day, common references include a weekend (2 d).
The 7-day week has no clean astronomical basis — unlike days, months, or years, it doesn't correspond to any natural cycle, and likely originates from ancient Babylonian or biblical tradition.
A solar day (24 hours) is actually about 4 minutes longer than a sidereal day (Earth's true 360° rotation relative to distant stars), because Earth also moves along its orbit each day.
People frequently convert between week and day for:
| Week (wk) | Day (d) |
|---|---|
| 1 wk | 7 d |
| 2 wk | 14 d |
| 5 wk | 35 d |
| 10 wk | 70 d |
| 15 wk | 105 d |
| 20 wk | 140 d |
| 25 wk | 175 d |
| 30 wk | 210 d |
| 50 wk | 350 d |
| 100 wk | 700 d |
| 200 wk | 1,400 d |
| 500 wk | 3,500 d |
| 1000 wk | 7,000 d |