Weeks ↔ Days Converter
Convert between weeks and days instantly
📚 Weeks ↔ Days Conversion Details
Weeks to Days Formula
To convert weeks to days, multiply the weeks by 7.
Days to Weeks Formula
To convert days to weeks, divide the days by 7.
Bidirectional Conversion
This converter works both ways simultaneously:
- Type in weeks → days updates automatically
- Type in days → weeks updates automatically
- No buttons to click - works as you type
Common Uses
- Project planning and timelines
- Vacation and leave calculations
- Pregnancy tracking (in weeks)
- Event planning
📏 How This Converter Works
This is a bidirectional converter that works in real-time:
- Weeks → Days: When you type in the weeks field, the days field automatically updates
- Days → Weeks: When you type in the days field, the weeks field automatically updates
- No swapping needed: Both conversions happen simultaneously
- Real-time: Updates happen as you type, no button clicks required
days = weeks × 7
weeks = days ÷ 7
// Example 1: Type "4" in weeks
days = 4 × 7 = 28
// Example 2: Type "21" in days
weeks = 21 ÷ 7 = 3
📊 Conversion Table
| Weeks | Days | Hours |
|---|---|---|
| 1 week | 7 days | 168 hours |
| 2 weeks | 14 days | 336 hours |
| 3 weeks | 21 days | 504 hours |
| 4 weeks | 28 days | 672 hours |
| 5 weeks | 35 days | 840 hours |
| 6 weeks | 42 days | 1008 hours |
📅 Weeks in Months and Years
- 1 month ≈ 4.345 weeks
- 1 year ≈ 52.143 weeks
- 1 week ≈ 0.230 months
- 1 week ≈ 0.019 years
Note: These are approximate because months have varying lengths (28, 29, 30, or 31 days) and years can be 365 or 366 days.
❓ Frequently Asked Questions
A: There are exactly 7 days in one week.
A: Both input fields work simultaneously. When you change the weeks value, days updates automatically. When you change the days value, weeks updates automatically. No swap button needed.
A: No! The conversion happens automatically as you type in either field.
A: This converter provides exact calculations up to 4 decimal places.