Days to Weeks Converter
Convert days to weeks easily. Free days to weeks converter for time calculations.
Formula
weeks = days / 7
Common Conversions
How to Convert Days to Weeks
7 days = 1 week. Divide days by 7 to get weeks. So 28 days ÷ 7 = 4 weeks. For values not divisible by 7, the remainder gives leftover days: 30 days = 4 weeks 2 days. The 7-day week is universal globally.
Useful for time-frame estimation. A 30-day project = roughly 4.3 weeks. A 90-day quarter = 12.86 weeks. Annual leave allowance in UK: 28 days = 4 weeks for full-time employees. Statutory employment law often quoted in weeks (12 weeks parental leave = 84 days).
Common Days to Weeks
| Days | Weeks (decimal) | Weeks and Days |
|---|---|---|
| 7 days | 1 week | 1 week |
| 14 days | 2 weeks | 2 weeks |
| 21 days | 3 weeks | 3 weeks |
| 28 days | 4 weeks | 4 weeks |
| 30 days | 4.29 weeks | 4 weeks 2 days |
| 60 days | 8.57 weeks | 8 weeks 4 days |
| 90 days | 12.86 weeks | 12 weeks 6 days |
| 365 days | 52.14 weeks | 52 weeks 1 day |
Frequently Asked Questions
How many weeks is 6 months?
About 26 weeks (181 days, or 184 if including 31-day months). Six calendar months ranges from 181-184 days depending on which months. For pregnancy tracking, '6 months' is approximately 26 weeks (out of 40 total weeks).
What's a 'business week'?
5 working days (Mon-Fri) = 1 business week. Excludes weekends and public holidays. UK: 252 working days/year typically. US: 250 (including 10 federal holidays). Business-week metrics matter for SLAs and project planning more than calendar weeks.
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