Weeks to Days Converter
Convert weeks to days and days to weeks instantly.
Weeks to Days Reference Table
| Weeks | Days | Description |
|---|---|---|
| 1 | 7 | One week |
| 2 | 14 | Two weeks (fortnight) |
| 3 | 21 | Three weeks |
| 4 | 28 | Four weeks |
| 8 | 56 | Eight weeks |
| 12 | 84 | Twelve weeks (a quarter) |
| 52 | 364 | Fifty-two weeks |
Weeks and Days Conversion Formulas
Converting between weeks and days uses a single fixed factor: every week contains exactly seven days. Each conversion is therefore a simple multiplication or division by 7.
Weeks to Days
days = weeks × 7
Example: 3 weeks × 7 = 21 days
Days to Weeks
weeks = days ÷ 7
Example: 28 days ÷ 7 = 4 weeks
Key Facts About Weeks and Days
- One week: 1 week = 7 days. This is a fixed, exact relationship that never changes.
- Fortnight: 2 weeks = 14 days. A common term for a two-week period.
- Four weeks: 4 weeks = 28 days, which is also the length of February in a common year.
- A year: 52 weeks = 364 days, just one day short of a full 365-day calendar year.