Week to Day Converter (weeks to days) + Formula
1 week equals 7 days — multiply the number of weeks by 7 to convert. A week is a fixed period of seven days, so this conversion is exact and never varies. It is the simplest and most reliable of all time conversions.
The formula
Multiply weeks by 7 to get days:
days = weeks × 7For example, 6 weeks × 7 = 42 days. To reverse, divide days by 7.
Conversion table
| Weeks (wk) | Days (d) |
|---|---|
| 1 | 7 |
| 2 | 14 |
| 3 | 21 |
| 4 | 28 |
| 5 | 35 |
| 10 | 70 |
| 25 | 175 |
| 50 | 350 |
| 100 | 700 |
| 500 | 3,500 |
| 1000 | 7,000 |
How to convert online
- Type the number of weeks into the first box.
- Read the equivalent day value instantly in the second box.
- Type a day value to convert back to weeks — it works both ways.
Use the Week to Day Converter — free and instant in your browser.
Where this conversion is used
Project planning, pregnancy tracking, subscription and billing cycles, notice periods, and countdowns all move between weeks and days. Converting weeks to days makes deadlines and durations concrete when a calendar day count is what actually matters.
FAQ
How many days are in a week?
Exactly 7 days. So 10 weeks = 70 days.
What is the formula to convert weeks to days?
Multiply the week value by 7. In symbols, d = wk × 7.
How do I convert days back to weeks?
Divide days by 7, or multiply by 0.14285714. So 28 days = 4 weeks.
Is the conversion exact?
Yes — a week is defined as exactly 7 days, so results are always exact.
Related converters
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