Days to weeks – convert days to weeks
Convert days to weeks to see how a run of days fits into weekly schedules, projects or study plans. This page opens the main time converter with days → weeks pre-selected for quick planning.
Open the interactive days → weeks converter:
Use main converter (day → week) or switch to weeks → daysIdeal for turning “30 days” or “90 days” into weeks when planning subscriptions, courses or long-term routines.
Quick reference: days to weeks
A standard week has 7 days, so: weeks = days ÷ 7. Common values:
| Days | Weeks (approx.) |
|---|---|
| 7 days | 1 week |
| 14 days | 2 weeks |
| 21 days | 3 weeks |
| 28 days | 4 weeks |
| 30 days | 4.29 weeks |
| 60 days | 8.57 weeks |
| 90 days | 12.86 weeks |
Days to weeks conversion formula
The formula is:
Weeks = Days ÷ 7
Examples:
- 10 days ÷ 7 ≈ 1.43 weeks
- 35 days ÷ 7 = 5 weeks
- 100 days ÷ 7 ≈ 14.29 weeks
Why convert days to weeks?
You’ll convert days to weeks when you:
- Plan projects with weekly sprints or check-ins.
- Turn a 90-day challenge into a week-by-week plan.
- Compare rental, subscription or trial periods.
- Track progress on fitness or study programmes.
More time converters on this site
The homepage time converter links all of these together, so you can go from seconds up to years in one place.