Weeks to Days Converter
Enter weeks to get days instantly. Works both ways.
How to convert weeks to days
To convert weeks to days, multiply by 7. For example, 5 weeks × 7 = 35 days.
Weeks to Days at a glance
- 1 week = 7 days
- 5 weeks = 35 days
- 10 weeks = 70 days
- 50 weeks = 350 days
- 100 weeks = 700 days
- 1 day = 0.1428571 weeks (the reverse)
Worked examples
25 weeks × 7 = 175 days.
250 weeks × 7 = 1,750 days.
1,500 weeks × 7 = 10,500 days.
Converting back
To go from days back to weeks, divide by 7 (or multiply by 0.1428571). For example, 100 days ÷ 7 = 14.28571 weeks.
Using a rounded factor
For a quick estimate you can use 7 in place of 7. That is accurate to within about less than 0.1%, which is fine for rough checks but not for exact work.
Weeks to days chart
| Weeks | Days |
|---|---|
| 0.1 weeks | 0.7 days |
| 0.25 weeks | 1.75 days |
| 0.5 weeks | 3.5 days |
| 1 weeks | 7 days |
| 2 weeks | 14 days |
| 3 weeks | 21 days |
| 4 weeks | 28 days |
| 5 weeks | 35 days |
| 6 weeks | 42 days |
| 7 weeks | 49 days |
| 8 weeks | 56 days |
| 9 weeks | 63 days |
| 10 weeks | 70 days |
| 15 weeks | 105 days |
| 20 weeks | 140 days |
| 25 weeks | 175 days |
| 30 weeks | 210 days |
| 40 weeks | 280 days |
| 50 weeks | 350 days |
| 75 weeks | 525 days |
| 100 weeks | 700 days |
| 250 weeks | 1,750 days |
| 500 weeks | 3,500 days |
| 1,000 weeks | 7,000 days |
More time conversions
Frequently asked questions
How many days are in one week?
There are 7 days in one week.
How do I convert weeks to days?
Multiply the value in weeks by 7.
How many weeks are in one day?
There are 0.1428571 weeks in one day.
What is 10 weeks in days?
10 weeks = 70 days.
How do I convert days back to weeks?
Divide the value in days by 7, or multiply it by 0.1428571.
Can I use a rounded factor for weeks to days?
For quick estimates, 7 is close (within about less than 0.1%). Use 7 when you need the full figure.