Months (average) to Weeks converter

To convert months (average) to weeks, enter the value in the first field. The result in weeks is calculated automatically using the exact conversion factor.

1 mo = 4.348125 wk
1 wk ≈ 0.229984188587 mo

Formula: wk = mo × 4.348125
mo ≈ wk × 0.229984188587

Definitions: 1 mo = 1/12 yr; 1 wk = 7 d

The month here is the average Gregorian calendar month, one twelfth of a year, about 30.44 days or 2,629,746 seconds. Real months last 28 to 31 days, so this is an approximation used for long-term estimates.

The week is 7 days, or 604,800 seconds. It is the basis of work and school schedules and payment cycles, and many countries number the weeks of the year under ISO 8601.

See the conversion table with commonly used values, handy for quick reference or study.